Stanford University
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Fahim Abbasi
Clinical Assistant Professor, Medicine - Cardiovascular Medicine
BioDr. Fahim Abbasi specializes in diagnosis and treatment of prediabetes and insulin resistance. Dr. Abbasi has a special interest in prevention of diabetes and cardiovascular disease through lifestyle modifications.
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Gita Chu Abhiraman
Affiliate, Department Funds
Resident in MedicineBioGita Abhiraman is a resident physician in Internal Medicine at Stanford in the Translational Investigator Program. She completed her MD and PhD at Stanford in the Medical Scientist Training Program. Her PhD in Immunology was advised by Dr. Chris Garcia, in which she studied cytokine signaling, immune receptor structure, and protein engineering. Her major first author-works include solving the structure of the interleukin-21 signaling receptor complex. She also developed a cytokine "adapter" switch molecule with applications in cancer and autoimmune disease. Gita has been involved in several projects to engineer cytokines, including IL-21, IL-12, and IL-10, for diverse therapeutic applications. Prior to her graduate training, Gita completed a bachelor's degree in Physics with a focus in Biophysics at Harvard University. She previously conducted research in the lab of Dr. Stephanie Dougan at the Dana-Farber Cancer Institute.
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Ranjana Advani
Saul A. Rosenberg, MD, Professor of Lymphoma
Current Research and Scholarly InterestsClinical investigation in Hodgkin's disease, non-Hodgkin's Lymphomas and cutaneous lymphomas. Experimental therapeutics with novel chemotherapy and biologically targeted therapies.
The research program is highly collaborative with radiation oncology, industry, pathology and dermatology. -
Patrick Ahearn, MD, MAS
Clinical Assistant Professor, Medicine - Nephrology
BioDr. Ahearn is a board-certified nephrologist. He is also a clinical assistant professor in the Stanford University School of Medicine Division of Nephrology.
He specializes in providing innovative care to kidney disease and transplant patients. He develops a comprehensive, compassionate care plan personalized to each patient in his care.
In addition to his clinical practice, Dr. Ahearn has conducted research on barriers to transplantation for patients with extended dialysis exposure, disparities in living kidney donation, and disparities in access to kidney transplant. He also has researched kidney transplant outcomes as they relate to the timing of dialysis initiation plus new pharmaceuticals for the kidney transplant population.
Dr. Ahearn has made presentations on these and other topics to the American Transplant Congress and Society of General Internal Medicine Meeting. He has published peer-reviewed articles on his research topics in the Clinical Journal of the American Society of Nephrology, JAMA Network Open, American Journal of Kidney Diseases, American Journal of Surgery, and elsewhere. He has published abstracts in the Journal of the American Society of Nephrology.
Dr. Ahearn has earned honors for his research and scholarship. He has received research funding from the National Institute of Diabetes and Digestive and Kidney Diseases.
Among his honors, Dr. Ahearn was on the kidney transplant team that earned the Stanford Health Care Integrated Strategic Plan Star Award. The team was recognized for delivering excellence in patient care as well as for identifying opportunities to improve care.
He is a member of the American Society of Nephrology and American Society of Transplantation.
He has volunteered his time and expertise as a board member of the Village of Hope, a transitional housing program for homeless men, women, and children in Orange County, California. Dr. Ahearn has served as a volunteer and proctor at the free clinic providing medical services to the uninsured. -
Aijaz Ahmed, MD
Professor of Medicine (Gastroenterology and Hepatology)
BioDr. Ahmed is an internationally recognized hepatologist with expertise in the treatment of acute and chronic liver diseases. He is a board-certified specialist in gastroenterology and hepatology, transplant hepatology, and obesity medicine. Currently, he serves as the Medical Director of the Adult Liver Transplant Program at Stanford University.
Dr. Ahmed graduated from Dow Medical College, Karachi, Pakistan. He completed his residency training in Internal Medicine at Brown University, Providence, RI and fellowship training in Gastroenterology and Hepatology at Stanford University. During his fellowship, he focused on clinical and research training in General and Transplant Hepatology.
For patients under his care, Dr. Ahmed remains dedicated to creating a personalized, comprehensive, and above-all a compassionate treatment plan. He outlines the diagnostic and follow-up management pathway in an individualized fashion; he updates his patients and their family/support at each step of the decision-making process; and he focuses on prioritizing the wishes of his patients and their family/support for an optimal outcome and quality of life.
Dr. Ahmed remains clinically active and has been instrumental in establishing a wide network of hepatology outreach clinics in remote and underserved regions of California and Nevada.
In addition to his patient care responsibilities, Dr. Ahmed remains committed to the educational mission of Stanford ford University. He remains deeply interested in mentoring trainees and students al levels from undergraduates to trainee physicians and junior colleagues. Dr. Ahmed has received several teaching awards during his career.
Dr. Ahmed’s research interests include 1) multidisciplinary approach to nonalcoholic fatty liver disease (NAFLD), 2) disparities in the management of chronic liver disease, 3) improving screening and management of hepatocellular carcinoma (HCC), and 4) outcomes research in NAFLD, HCC, viral hepatitis, alcoholic liver disease, and liver transplantation. He heads a busy and productive outcomes research team. In addition, he collaborates with basic scientists and is participating in several translational research projects at Stanford University.
He has published his findings in textbooks, abstracts, case reports, and high- profile medical journals including Gastroenterology, Journal of Hepatology, Hepatology American Journal of Gastroenterology, and other well-renowned peer-reviewed publications.
Dr. Ahmed and his team has made presentations to his peers at many national and international conferences: the American Association for the Study of Liver Disease, International Liver Congress, European Association for the Study of the Liver, Asian Pacific Association for the Study of the Liver, and more. His presentations have addressed leading-edge approaches to the treatment of chronic liver disease, liver cancer, and liver failure. He also has presented his insights into the gastrointestinal impact of COVID-19.
For his clinical, research, and teaching achievements, Dr. Ahmed has earned extensive recognition. His honors include being named as one of America’s Top Physicians by the Consumers’ Research Council of America.
He is an active member of the American Gastroenterological Association and the American Association for the Study of Liver Diseases. -
So Hee "Naomi" Ahn
Casual, Medicine - Med/Family and Community Medicine
BioNaomi is a fourth-year medical student at Seoul National University, expecting to graduate in February 2024. She earned her bachelor's degree Summa Cum Laude from Washington University in St. Louis in December 2018, majoring in Biology and minoring in Chinese Language & Culture. Although she has quite a long way to go before becoming a compassionate physician-scientist, Naomi has accumulated many years of research and clinical experience in the field of medicine, ranging from the molecular level to the population level. Her research interests lie in genomics, psychosomatic medicine, and global health.
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Neera Ahuja
Professor of Medicine (Hospital Medicine)
Current Research and Scholarly InterestsClinical inpatient trials, Quality improvement, Assessing interventions with operations on throughput. SDOH/Health equity
Medical education research; Intergenerational teaching/learning; Analysis of effects of duty hour regulations on housestaff training and ways to improve the system -
Alawab Aldulimy
Clinical Rsch Coord Assoc, CV Med - Clinical Trials
Current Role at StanfordClinical Researcher
Clinical Research Coordinator -
William Alegria
Lecturer, Medicine - Med/Infectious Diseases
BioDr. Alegria is a board-certified Infectious Diseases Pharmacotherapy specialist and antimicrobial stewardship consultant with the Stanford Antimicrobial Safety and Sustainability Program. He primarily practices in the inpatient setting and is dedicated to developing targeted stewardship interventions in immunocompromised patient populations. His clinical interests include management of infections in immunocompromised hosts, antifungal pharmacotherapy, and difficult-to-treat infections.
Publications (selected)
Navigating recurrent Clostridioides difficile infection without Bezlotoxumab: potential challenges ahead. Arya R, Zimmet AN, Holubar M, Alegria W. Antimicrob Steward Healthc Epidemiol. 2025
How to leverage medication use evaluations for antimicrobial stewardship goals: a primer for physicians. Prasad R, Arya R, Meng L, Holubar M, Alegria W, Zimmet AN.
Antimicrob Steward Healthc Epidemiol. 2025
Beyond the basics: rethinking antimicrobial stewardship by targeting cytomegalovirus immune globulin for immunocompromised patients. Prasad R, Lu B, Veloria D, Mui E, Nelson J, Dhillon G, Deresinski S, Holubar M, Alegria W. Antimicrob Steward Healthc Epidemiol. 2025
No "One-Size-Fits All": chronic "Carryover" diagnoses dilute antibiotic prescribing rates for sinusitis among adults in primary and urgent care settings. Smith M, Hawkins M, Laikijrung C, Mui E, Alegria W, Leung T, Zimmet A, Ha D, Holubar M. Infect Control Hosp Epidemiol. 2024
Combination Antifungal Therapy for Invasive Mucormycosis in Immunocompromised Hosts: A Single-Center Experience. Lu B, Ha D, Shen S, Ferguson Toll J, Kim A, Kim S, Mui E, Deresinski S, Holubar M, Alegria W. Open Forum Infect Dis. 2024
"Electronic Phenotyping" Antimicrobials to Facilitate Outpatient Stewardship for Asymptomatic Bacteriuria and Urinary Tract Infection in Renal Transplant. Zimmet AN, Ha D, Mui E, Smith M, Hawkins M, Alegria W, Holubar M. Open Forum Infect Dis. 2024
Risk factors and outcomes associated with persistent vancomycin resistant Enterococcal Bacteremia. Fox E, Ha D, Bounthavong M, Meng L, Mui E, Holubar M, Deresinski S, Alegria W. BMC Infect Dis. 2022
Shorter durations of antibiotic therapy in organ transplant. Alegria W, Medvedeva N, Holubar M. Curr Opin Organ Transplant. 2022
Characterisation of infections in patients with acute myeloid leukaemia receiving venetoclax and a hypomethylating agent. On S, Rath CG, Lan M, Wu B, Lau KM, Cheung E, Alegria W, Young R, Tan M, Kim C, Phun J, Patel N, Mannis G, Logan AC, Kennedy V, Goodman A, Taplitz RA, Young PA, Wen R, Saunders IM. Br J Haematol. 2022
Early Antibiotic Discontinuation or De-escalation in High-Risk Patients With AML With Febrile Neutropenia and Prolonged Neutropenia. Alegria W, Marini BL, Gregg KS, Bixby DL, Perissinotti A, Nagel J. J Natl Compr Canc Netw. 2022
Effect of rapid methicillin-resistant Staphylococcus aureus nasal polymerase chain reaction screening on vancomycin use in the intensive care unit. Diep C, Meng L, Pourali S, Hitchcock MM, Alegria W, Swayngim R, Ran R, Banaei N, Deresinski S, Holubar M. Am J Health Syst Pharm. 2021 Dec
The Current State of Antifungal Stewardship in Immunocompromised Populations. Alegria W, Patel PK. J Fungi (Basel). 2021
Bacteremia due to Methicillin-Resistant Staphylococcus aureus: An Update on New Therapeutic Approaches. Holubar M, Meng L, Alegria W, Deresinski S. Infect Dis Clin North Am. 2020
Impact of Rapid Antimicrobial Susceptibility Testing in Gram-Negative Rod Bacteremia: a Quasi-experimental Study. Hogan CA, Ebunji B, Watz N, Kapphahn K, Rigdon J, Mui E, Meng L, Alegria W, Holubar M, Deresinski S, Banaei N. J Clin Microbiol. 2020
Antimicrobial Stewardship in Cancer Patients: The Time is Now. Aitken SL, Nagel JL, Abbo L, Alegria W, Barreto JN, Dadwal S, Freifeld AG, Jain R, Pergam SA, Tverdek FP, Seo SK; Antimicrobial Stewardship in Cancer Consortium ASCC. J Natl Compr Canc Netw. 2019 -
Kevin M. Alexander, MD, FACC, FHFSA
Assistant Professor of Medicine (Cardiovascular Medicine)
BioDr. Alexander is an advanced heart failure-trained cardiologist. He is also an Assistant Professor of Cardiovascular Medicine at Stanford University School of Medicine.
Dr. Alexander specializes in the management of advanced heart failure and transplant cases, seeing a wide range of patients. He also has an active research laboratory, studying various forms of heart failure.
Dr. Alexander has expertise in diagnosing and treating transthyretin cardiac amyloidosis, a critical yet underdiagnosed cause of heart failure among African Americans and the elderly. He is conducting extensive research to enhance our understanding of this condition, with grant support from the National Institutes of Health and American Heart Association, among other sources. -
Ash A. Alizadeh, MD/PhD
Moghadam Family Professor
Current Research and Scholarly InterestsMy research is focused on attaining a better understanding of the initiation, maintenance, and progression of tumors, and their response to current therapies toward improving future treatment strategies. In this effort, I employ tools from functional genomics, computational biology, molecular genetics, and mouse models.
Clinically, I specialize in the care of patients with lymphomas, working on translating our findings in prospective cancer clinical trials. -
Matthew S Alkaitis, MD PhD
Clinical Assistant Professor, Medicine
BioMatthew S Alkaitis MD, PhD is a Clinical Assistant Professor in the Division of Hospital medicine and Stanford School of Medicine. He received his PhD in biochemistry from the University of Oxford, in collaboration the National Institutes of Health as part of the NIH’s graduate partnership program. He received his MD from Harvard Medical school and completed his residency in internal medicine at Stanford. Dr. Alkaitis’ research interests span basic biochemistry, clinical informatics, natural language processing, genetics of hematologic malignancies and methods of cell-free DNA detection. His primary medical education interest is expanding accessibility of modern computational and bioinformatics techniques for clinical research.
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Burak Alsan, MD
Clinical Assistant Professor, Medicine - Primary Care and Population Health
Current Research and Scholarly InterestsPilot Study on the Use of Televisits for Transition Education for Young Adults with Chronic Disease
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Emily Alsentzer
Assistant Professor of Biomedical Data Science, of Medicine (Computational Medicine) and, by courtesy, of Computer Science
BioDr. Emily Alsentzer is an Assistant Professor in Biomedical Data Science and, by courtesy, Computer Science at Stanford University. Her research leverages machine learning (ML) and natural language processing (NLP) to augment clinical decision-making and broaden access to high quality healthcare. She focuses on integrating medical expertise into ML models to ensure responsible deployment in clinical workflows. Dr. Alsentzer completed a postdoctoral fellowship at Brigham and Women’s Hospital where she worked to deploy ML models within the Mass General Brigham healthcare system. She received her PhD from the Health Sciences and Technology program at MIT and Harvard Medical School and holds degrees in computer science (BS) and biomedical informatics (MS) from Stanford University. She has served as General Chair for the Machine Learning for Health Symposium and founding organizer for SAIL and the Conference on Health, Inference, and Learning (CHIL).
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Russ B. Altman
Kenneth Fong Professor and Professor of Bioengineering, of Genetics, of Medicine, of Biomedical Data Science, Senior Fellow at the Stanford Institute for Human-Centered AI and Professor, by courtesy, of Computer Science
Current Research and Scholarly InterestsI refer you to my web page for detailed list of interests, projects and publications. In addition to pressing the link here, you can search "Russ Altman" on http://www.google.com/
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Daniel Kwasi Amponsah
Affiliate, Department Funds
Fellow in Medicine - Med/Cardiovascular MedicineBioDr. Daniel Amponsah was born and raised in Loma Linda, California. He graduated with a BS in Biochemistry from Pacific Union College in Northern California and received his MD from Loma Linda University School of Medicine where he graduated AOA. He completed his internal medicine residency at Massachusetts General Hospital and was appointed the Simulation Chief his senior year. He is interested in pursuing an academic career in interventional cardiology with a focus on outcomes and health disparities. Prior research work has explored outcomes in ischemic time in patients with cardiogenic shock and STEMI with Dr. Anthony Hilliard, disparities in the management of aortic stenosis alongside Dr. Sammy Elmariah, defining type 2 MI using coronary CT with Dr. James Januzzi. He is presently engaged in assessing the potential applications of angiography-derived FFR and IMR across various coronary disease syndromes with Dr. Bill Fearon and investigating disparities in advanced structural interventions with Dr. Celina Yong.
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Nidharshan Anandasivam
Affiliate, Department Funds
Fellow in Medicine - Med/NephrologyBioNidharshan Anandasivam is a fellow in the Stanford University Nephrology Fellowship Program. He received a Bachelor of Science in Biological Engineering at MIT, an MD from Yale School of Medicine, and an MBA from Yale School of Management. He completed his Internal Medicine Residency at University of Texas at Austin Dell Medical School.
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Christine Anastasiou, MD, MAS
Clinical Assistant Professor, Medicine - Immunology & Rheumatology
BioDr. Anastasiou is a board-certified, fellowship-trained rheumatologist with the Stanford Health Care Immunology and Rheumatology Clinic. She is also a clinical assistant professor in the Department of Medicine, Division of Immunology and Rheumatology at Stanford University School of Medicine.
Dr. Anastasiou specializes in diagnosing and treating patients with rheumatic diseases. She has a special interest in ankylosing spondylitis, systemic lupus erythematosus, rheumatoid arthritis, and idiopathic inflammatory myopathies.
Her scholarly work includes epidemiologic studies and clinical trials focused on improving safety and health outcomes for people with chronic rheumatic diseases. Dr. Anastasiou has served as an investigator and collaborator for clinical trials of new therapies to treat rheumatic disease. She is actively involved in medical education through developing and leading patient, medical student, resident, and fellow educational programs.
Dr. Anastasiou is a member of the American College of Rheumatology (ACR). She has published her research in peer-reviewed journals, including Arthritis Care & Research and Lupus Science & Medicine. She has delivered lectures and presentations across the country and abroad on various topics related to rheumatology. -
Chad Anderson
Clinical Assistant Professor, Medicine - Primary Care and Population Health
BioChad Anderson is a Physician Assistant at Stanford ValleyCare and a Clinical Assistant Professor with the Stanford School of Medicine MSPA program. He is the Assistant Director of PA education at ValleyCare. He is dual credentialed as a Family Nurse Practitioner and a Physician Assistant. He completed his FNP/PA training at the Stanford School of Medicine and his graduate studies at A.T. Still University – Arizona School of Health Sciences. He is passionate about improving our patients hospital experience as well as educating our future providers.
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Jason Andrews
Professor of Medicine (Infectious Diseases) and, by courtesy, of Epidemology
On Partial Leave from 04/01/2026 To 09/30/2026Current Research and Scholarly InterestsOur laboratory aims to develop and test innovative approaches to the diagnosis, treatment and control of infectious diseases in resource-limited settings. We draw upon multiple fields including mathematical modeling, microbial genetics, field epidemiology, statistical inference and biodesign to work on challenging problems in infectious diseases, with an emphasis on tuberculosis and tropical diseases.
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Caitlin Ang
Casual Employee, Medicine - Med/Gastroenterology and Hepatology
Bio(she/her/hers)
Caitlin is a public health researcher with an MSPH from Johns Hopkins University, focused on women’s and reproductive health outcomes, population-level analysis, and equity-driven research. Her work sits at the intersection of data, policy, and real-world impact—using rigorous methods to understand how systems shape health outcomes across the life course.
Caitlin has experience supporting and leading quantitative and mixed-methods research, including data management and analysis, literature reviews, IRB and regulatory processes, and translating findings into reports, briefs, and academic outputs. She is especially interested in research related to maternal morbidity and mortality, reproductive health access, and structural drivers of health inequities.
She currently works as a research assistant for the Salles Lab at Stanford. Caitlin looks forward to contributing to creating inclusive, accessible spaces through this role by contributing to the Ending Sexual harassment: Teaching of Principal Investigators (E-STOP) Study. -
Justin P. Annes M.D., Ph.D.
Associate Professor of Medicine (Endocrinology)
Current Research and Scholarly InterestsThe ANNES LABORATORY of Molecular Endocrinology: Leveraging Chemical Biology to Treat Endocrine Disorders
DIABETES
The prevalence of diabetes is increasing at a staggering rate. By the year 2050 an astounding 25% of Americans will be diabetic. The goal of my research is to uncover therapeutic strategies to stymie the ensuing diabetes epidemic. To achieve this goal we have developed a variety of innovate experimental approaches to uncover novel approaches to curing diabetes.
(1) Beta-Cell Regeneration: Diabetes results from either an absolute or relative deficiency in insulin production. Our therapeutic strategy is to stimulate the regeneration of insulin-producing beta-cells to enhance an individual’s insulin secretion capacity. We have developed a unique high-throughput chemical screening platform which we use to identify small molecules that promote beta-cell growth. This work has led to the identification of key molecular pathways (therapeutic targets) and candidate drugs that promote the growth and regeneration of islet beta-cells. Our goal is to utilize these discoveries to treat and prevent diabetes.
(2) The Metabolic Syndrome: A major cause of the diabetes epidemic is the rise in obesity which leads to a cluster of diabetes- and cardiovascular disease-related metabolic abnormalities that shorten life expectancy. These physiologic aberrations are collectively termed the Metabolic Syndrome (MS). My laboratory has developed an original in vivo screening platform t to identify novel hormones that influence the behaviors (excess caloric consumption, deficient exercise and disrupted sleep-wake cycles) and the metabolic abnormalities caused by obesity. We aim to manipulate these hormone levels to prevent the development and detrimental consequences of the MS.
HEREDIATY PARAGAGLIOMA SYNDROME
The Hereditary Paraganglioma Syndrome (hPGL) is a rare genetic cancer syndrome that is most commonly caused by a defect in mitochondrial metabolism. Our goal is to understand how altered cellular metabolism leads to the development of cancer. Although hPGL is uncommon, it serves as an excellent model for the abnormal metabolic behavior displayed by nearly all cancers. Our goal is to develop novel therapeutic strategies that target the abnormal behavior of cancer cells. In the laboratory we have developed hPGL mouse models and use high throughput chemical screening to identify the therapeutic susceptibilities that result from the abnormal metabolic behavior of cancer cells.
As a physician scientist trained in clinical genetics I have developed expertise in hereditary endocrine disorders and devoted my efforts to treating families affected by the hPGL syndrome. By leveraging our laboratory expertise in the hPGL syndrome, our care for individuals who have inherited the hPGL syndrome is at the forefront of medicine. Our goal is to translate our laboratory discoveries to the treatment of affected families. -
Sally Arai
Professor of Medicine (Blood and Marrow Transplantation and Cellular Therapy)
Current Research and Scholarly InterestsResearch interest in utilizing post-transplant adoptive cellular immunotherapy to reduce GVHD and relapse in patients with high risk hematologic malignancies.
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Danit Ariel
Clinical Associate Professor, Medicine - Endocrinology, Gerontology, & Metabolism
BioDanit Ariel, MD MS, is board certified in Endocrinology. Dr. Ariel graduated from UC Davis School of Medicine. She then completed a residency in Internal Medicine at Stanford and a fellowship and post-doctorate in Endocrinology and Metabolism at Stanford before joining the faculty at Stanford.
Dr. Ariel practices general endocrinology, with a special interest in menopause, LGBTQ+ health, transgender medicine, reproductive endocrinology and thyroid disorders amongst others.
She believes in practicing compassionate care: in listening to her patients’ concerns, respecting their values, communicating well, and providing an evidence-based approach to help guide individualized treatment plans. She is deeply committed to utilizing her expertise in the field of endocrinology to optimize her patients’ health and well-being.
Dr. Ariel is passionate about medical education and teaching, and serves on the teaching faculty in the Stanford University School of Medicine. She completed an honors certificate in medical education from Stanford. She is the Founding Director of the Student Guidance Program for medical students. Finally, within the division of Endocrinology, she is the Director of Faculty Wellness.
Appointments with with Dr. Ariel are available in the Hoover Pavilion on 211 Quarry Road as part of the Stanford Health Care Endocrinology Clinic and the Stanford Health Care LGBTQ+ Health Program. -
Julia Anne Armendariz
Clinical Associate Professor (Affiliated), Med/Hospital Medicine
BioI have a passion for medical education and underserved patient communities, so my job at the Palo Alto VA suits me perfectly. I have the joy of being a course director for the Stanford Internal Medicine Medical Education Elective (along with Drs. Sharmin Shekarchian and Poonam Hosamani), which is one of my very favorite things in life. The best things about being a doctor are learning new things each day, bearing witness to the human experience of illness, and taking part in relieving suffering and promoting health within my community. My hobbies include anything outdoors, working in my garden, and baking up delicious treats.
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Anna Chen Arroyo, MD MPH
Clinical Associate Professor, Medicine - Pulmonary, Allergy & Critical Care Medicine
BioAnna Chen Arroyo, MD, MPH, is a board-certified allergy/immunology physician and clinical researcher. She is the section chief of Allergy, Asthma, and Immunodeficiency in the Division of Pulmonary, Allergy and Critical Care Medicine and the medical director of the Allergy, Asthma, and Immunodeficiency Clinic at Stanford Health Care. She specializes in diagnosing and treating allergic conditions, with a focus on severe asthma, maternal asthma, and drug (including chemotherapy) allergies.
Dr. Arroyo’s clinical research focuses on early life risk factors for allergic disease development and how allergic diseases impact people across the lifespan. She is also interested in studying how allergic diseases affect the Asian American population and hormonal influences on allergic diseases. She has published her original research in peer-reviewed scientific journals, such as The Journal of Allergy and Clinical Immunology: In Practice and The Journal of the American Medical Association (JAMA). She has also presented at national conferences, including annual meetings for the American Thoracic Society and the American Academy of Asthma, Allergy, and Immunology. Dr. Arroyo is a member of the American Academy of Asthma, Allergy, and Immunology, the American Thoracic Society, and the American College of Allergy, Asthma, and Immunology. -
Maja Artandi, MD
Clinical Professor, Medicine - Primary Care and Population Health
BioDr. Artandi is a Professor of Medicine in the Division of Primary Care and Population Health at Stanford. She is a leader in Primary Care, spearheading novel methods of health care delivery and education. She offers an impressive clinical background and has received several educational and leadership awards.
Her expertise lies in the development and implementation of a medical curriculum focused on the patient-physician interaction, emphasizing communication skills, physical examination skills and medical decision making to support best clinical practices.
Dr. Artandi is a dedicated Primary Care physician and educator and has served as a mentor for many students, residents and colleagues. She is currently the mentorship lead for the Division of Primary Care and Population Health.
She is in the process of getting an executive coaching certification and is faculty for the Advancing Communication Excellence at Stanford Program with the goal of helping her colleagues improve their communication skills.
From 2013-2021 she was the Co-Director of Primary Care education for the Stanford Internal Medicine residency program and co-founded and co-directed the Primary Care program (ACE) within the Stanford Internal Medicine Residency program.
Dr. Artandi is currently the Co-President of the Society of Bedside Medicine, an international society dedicated to studying and improving the patient/physician interaction.
She is a fellow of the Royal College of Physicians Edinburgh and of the American College of Physicians and currently serves as the Wellness chair for the Northern California ACP chapter. -
Steven Artandi, MD, PhD
Laurie Kraus Lacob Director of the Stanford Cancer Institute (SCI), Jerome and Daisy Low Gilbert Professor and Professor of Biochemistry
Current Research and Scholarly InterestsTelomeres are nucleoprotein complexes that protect chromosome ends and shorten with cell division and aging. We are interested in how telomere shortening influences cancer, stem cell function, aging and human disease. Telomerase is a reverse transcriptase that synthesizes telomere repeats and is expressed in stem cells and in cancer. We have found that telomerase also regulates stem cells and we are pursuing the function of telomerase through diverse genetic and biochemical approaches.
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Steven Asch
Professor of Medicine (Primary Care and Population Health) and, by courtesy, of Health Policy
On Partial Leave from 04/01/2026 To 06/30/2026Current Research and Scholarly InterestsDescribe your current research interest and activities
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Yusuf Ashktorab
Contingent Employee, Medicine - Med/Nephrology
BioYusuf Ashktorab is a medical student (Class of 2028) at Howard University College of Medicine (HUCM). His journey in medicine is driven by a passion for using technology, to reduce health disparities and improve patient care.
He has contributed to projects at Stanford University, the University of California, San Francisco (UCSF), and the National Institutes of Health (NIH), focusing on topics such as predictive modeling for vaccine responses, the role of viruses in cancer development, and the use of Machine Learning and Large Language Models to diagnose Chronic Kidney Disease of Unknown Etiology (CKDu).
At HUCM, Yusuf serves as President of the Health Innovation and Technology (HIT) interest group and Vice President of Research and Technology for his class. In these roles, he is working to build a strong community centered on innovation and collaboration. -
Euan A. Ashley
Roger and Joelle Burnell Professor of Genomics and Precision Health, Arthur L. Bloomfield Professor of Medicine and Professor of Genetics, of Biomedical Data Science and, by courtesy, of Pathology
Current Research and Scholarly InterestsThe Ashley lab is focused on precision medicine. We develop methods for the interpretation of whole genome sequencing data to improve the diagnosis of genetic disease and to personalize the practice of medicine. At the wet bench, we take advantage of cell systems, transgenic models and microsurgical models of disease to prove causality in biological pathways and find targets for therapeutic development.
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Rabia Aslam
Affiliate, Medicine - Primary Care and Population Health
BioM.D., University of California, Davis
B.A. in Public Health, University of California, Berkeley
My interest lies at the intersection of medicine and public health and I strive to work towards alleviating socioeconomic disparities in healthcare and education. -
Themistocles (Tim) Assimes
Professor of Medicine (Cardiovascular Medicine) and, by courtesy, of Epidemiology and Population Health
Current Research and Scholarly InterestsGenetic Epidemiology, Genetic Determinants of Complex Traits related to Cardiovasular Medicine, Coronary Artery Disease related pathway analyses and integrative genomics, Mendelian randomization studies, risk prediction for major adverse cardiovascular events, cardiovascular medicine related pharmacogenomics, ethnic differences in the determinants of Insulin Mediated Glucose Uptake, pharmacoepidemiology of cardiovascular drugs & outcomes
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Danielle Francoise Atibalentja, MD, PhD
Instructor, Medicine - Oncology
BioDanielle F Atibalentja received her PhD in Immunology at Washington University in St Louis and her MD at UCSF School of medicine. She trained in Internal medicine at Washington University/Barnes-Jewish Hospital in St Louis and recently completed Hematology/Oncology Fellowship at Stanford. Her primary clinical interest is in treating patients with B-cell lymphomas. Her long-term research goals are to better understand B-cell responses in the setting of malignancy to develop immune-based therapies for cancer treatment. She currently studies how the MYC oncogene shapes B-cell and antibody responses during T-cell lymphomagenesis.
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Ashish Atreja
Clinical Professor, Medicine - Gastroenterology & Hepatology
BioI work at the intersection of health care technology and artificial intelligence. My primary clinical specialty is Gastroenterology and my focus on AI is broad application and validation of clinical AI across diverse use cases.
After completing a master's in public health at the University of Illinois at Chicago, I have completed internal medicine residency, informatics fellowship, and gastroenterology fellowship at the Cleveland Clinic. I have been working at the intersection of technology and healthcare for the last 25 years, was the first gastroenterologist to receive informatics board certification. In leadership roles, I have led Epic implementations as informaticist, served as the Chief Innovation Officer, Medicine at Mount Sinai, New York, and most recently as CIO and inaugural Chief Digital Health Officer at UC Davis Health. For my executive roles, I have been recognized with numerous national honors, including being named one of the Top Digital Health Officers by Becker’s, a Top 40 Healthcare Transformer in 2017, a Top 50 Healthcare Leader by HIMSS in 2021, a Top 30 Health IT Influencer by Health Tech Magazine in 2022, a Top 150 Business Transformer Across global industries by Constellation Research and a top 35 Digital Health officer by Beckers in 2023.
As a digital health entrepreneur, I have successfully licensed technologies, and founded companies originating from academic medical centers. I was the co-founder of Rx.Health, a venture-backed spinout from Mount Sinai Health System that automated digital care delivery for major organizations including UnitedHealthcare and five of the top ten health systems in the U.S., ultimately impacting over 90 million patient lives before its successful acquisition. As a co-founder of GenServe.AI, I am currently working with a team focused on democratizing access to secure Generative AI and autonomous care for all.
I have been NIH-funded since 2014, including for IBD digital monitoring, have published more than 108 peer-reviewed articles and delivered over 250 posters, abstracts, and talks at national meetings. My research focuses on building, implementing, and evaluating digital health and AI-powered solutions aimed at improving patient and population outcomes, for which I am also known as the "App Doctor." -
Mukta Awasthi
Clinical Assistant Professor (Affiliated), Med/Hospital Medicine
Staff, Med/Hospital MedicineBioMukta Awasthi, MD completed her medical school training at the University of Texas Medical Branch at Galveston and Internal Medicine residency at Baylor College of Medicine in Houston, Texas. She is a board-certified academic hospitalist at the VA Palo Alto Health Care System and Clinical Assistant Professor (Affiliated) within the Stanford Division of Hospital Medicine. She has 25 years of experience in Hospital Medicine and Medical Education. She currently serves as the Medical Director of the Intermediate Intensive Care Unit at the VA Palo Alto Healthcare System. She also is the Director of the VA My Life My Story Program at the VA Palo Alto HCS. Her areas of interest include Medical Education, Quality Improvement and Narrative Medicine.
