School of Medicine


Showing 1,701-1,750 of 2,431 Results

  • Peter Poullos

    Peter Poullos

    Clinical Professor, Radiology
    Clinical Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Poullos is a native of Stockton California. He earned his B.S. at Santa Clara University and M.D. degree at the University of Texas Medical School at Houston, after which he did an Internal Medicine residency at the University of California-San Francisco, finishing in 2002. He stayed at UCSF as a Gastroenterology fellow until 2004. However, after a spinal cord injury, he decided to retrain in Radiology. He did his Radiology residency at Stanford University, where he also completed a fellowship In Body Imaging in 2009. Dr. Poullos is now a faculty member in both the departments of Radiology and Gastroenterology and Hepatology. His clinical practice is at Stanford Medicine, where he specializes in CT, MRI, and ultrasound of the abdomen and pelvis. His interests include radiology of the acute abdomen, hepatobiliary imaging, and colorectal cancer screening.

    Dr. Poullos is the Founder and Co-Chair of the Stanford Medicine Alliance for Disability Inclusion and Equity (SMADIE), a group composed of people with disabilities and their allies at Stanford Medicine. In that role, Dr. Poullos advocates for students and healthcare providers with disabilities and for health equity for disabled patients. He is a Faculty Advisor to the Stanford Medical Students with Disability and Chronic Illness (MSDCI) and the MSDCI National organizations. Dr. Poullos and SMADIE have made significant contributions to the disability community, including starting the Stanford Conference on Disability in Healthcare and Medicine, now in its seventh year, which draws over 1,900 participants from 54 countries. He is the Co-Host of the popular “DocsWithDisabilities” podcast, has spoken internationally on disability access in medicine, and has written and conducted research in the field. One of his proudest achievements is co-creating the Disability in Medicine Mutual Mentorship Program, which serves the needs of disabled medical and healthcare students and practitioners. In 2022, Dr. Poullos received the Stanford President’s Award for Excellence through Diversity.

  • Anthony Powell

    Anthony Powell

    Adjunct Clinical Assistant Professor, Medicine - Primary Care and Population Health

    BioAnthony Powell is an Internal Medicine physician. He attended medical school at Yale University and completed internship and residency at Stanford University Hospital. He is board certified by the American Board of Internal Medicine. He has been working at Menlo Clinic since 1996.
    I enjoy being with my 4 children and gardening. In my spare time I fit in endurance athletics, currently cycling (road and MTB), and in the past, running and triathlons.

  • Angela Primbas, MD

    Angela Primbas, MD

    Clinical Assistant Professor, Medicine - Primary Care and Population Health

    BioDr. Angela Primbas is a board-certified, fellowship-trained internal medicine doctor with Stanford Health Care. She is also a clinical assistant professor in the Department of Medicine, Division of Primary Care and Population Health at Stanford University School of Medicine.

    As part of Stanford Concierge Medicine, Dr. Primbas provides individualized primary care built on a strong patient-provider relationship. She specializes in geriatric medicine and is experienced in both inpatient and outpatient primary care settings. She is especially interested in providing preventive care and treating health concerns related to healthy aging, longevity, bone health, and postmenopausal aging.

    In every aspect of her practice, Dr. Primbas emphasizes compassionate care, taking the time to listen to and understand each person’s needs. She is also passionate about working with medically underserved populations, including individuals in the LGBTQ+ community.

    Dr. Primbas studies how health systems can improve their approach and training to serve marginalized groups better. She also focuses on enhancing medical education for students and residents. Dr. Primbas cofounded Stanford Ambulatory Care Excellence, a program that supports internal medicine residents with opportunities to improve the skills needed to provide excellent primary care. She has also created and taught curricula on geriatrics, healthy aging, osteoporosis, and LGBTQ+ health.

    Dr. Primbas has published her research in peer-reviewed journals, including AIDS Care, Journal of the American Geriatrics Society, and Journal of Investigative Medicine. She has also written book chapters about LGBTQ+ health in older adults, published in Clinics in Geriatric Medicine and Geriatric Review Syllabus, and on the diagnosis and management of headaches in older patients. As an advocate and collaborator, Dr. Primbas has shared her research and medical expertise around the world, including at meetings of the American Geriatrics Society, the American College of Physicians, and the International Association of Providers of AIDS Care.

    Dr. Primbas is a member of the American College of Physicians and American Geriatrics Society.

  • Judith Prochaska

    Judith Prochaska

    Senior Associate Vice Provost, Clinical Research Governance and Professor of Medicine (Stanford Prevention Research Center)

    Current Research and Scholarly InterestsDr. Prochaska's clinical trials research focuses on developing and testing evidence-based interventions for tobacco, other substance use, physical activity, and diet. She has led randomized controlled trials of treatments that combine motivational, behavioral, and pharmacologic strategies, including use of telemedicine, therapeutic relational agents, social-media–supported interventions, and tailored programs for socio-demographically diverse and at-risk groups to advance population health.

  • Robert N. Proctor

    Robert N. Proctor

    Professor of History and, by courtesy, of Medicine (Pulmonary and Critical Care Medicine)

    Current Research and Scholarly InterestsTobacco and cigarette design; human origins and evolution; changing concepts of health and disease; medical history and medical politics

  • Krishna Pundi, MD

    Krishna Pundi, MD

    Clinical Instructor, Medicine - Cardiovascular Medicine

    BioKrishna Pundi, MD is a cardiac electrophysiologist and health services and outcomes researcher with a clinical interest in the management of ventricular arrhythmias and atrial fibrillation.

    Dr. Pundi leads a multidisciplinary research program to study (1) clinical and arrhythmia-specific factors that predict cardiovascular risk for ventricular arrhythmias, (2) the interplay of frailty and obesity with atrial fibrillation outcomes, and (3) the role of digital health and wearables in arrhythmia care. He has led grant-funded research through the NIH, FDA, and ACC and collaborations with large device and quality databases including AHA’s Get With the Guidelines. He has a special interest in innovation and regulatory science, having organized national Think Tanks of patients, investigators, and FDA to define the scientific and clinical use of wearable monitors. Dr. Pundi holds leadership roles through the American College of Cardiology, Heart Rhythm Society, Cardiovascular Sciences Research Consortium, and HRX - an innovation-focused meeting of clinicians, researcher, and industry.

  • Lisa Nguy Quach

    Lisa Nguy Quach

    Clinical Assistant Professor, Medicine - Primary Care and Population Health

    Current Research and Scholarly InterestsTransitions of care, end-of-life care, care for vulnerable populations and patients with primary languages other than English, quality improvement, medical education, mentorship

  • Susan Y. Quan

    Susan Y. Quan

    Clinical Assistant Professor (Affiliated), Medicine - Med/Gastroenterology and Hepatology
    Staff, Medicine - Med/Gastroenterology and Hepatology

    BioClinical Focus:

    Gastroenterology
    Gastrointestinal Endoscopy


    Board Certification:

    Gastroenterology
    Internal Medicine


    Professional Education:

    Fellowship: Stanford University School of Medicine, Gastroenterology and Hepatology (2014)
    Residency: Johns Hopkins University School of Medicine, Internal Medicine (2011)
    Medical Education: Johns Hopkins University School of Medicine (2008)
    Undergraduate: Stanford University (2003)

  • Thomas Quertermous, MD

    Thomas Quertermous, MD

    William G. Irwin Professor of Cardiovascular Medicine

    Current Research and Scholarly InterestsUnderstanding genetic basis of cardiovascular function and disease.

  • Orlando Quintero, MD

    Orlando Quintero, MD

    Clinical Assistant Professor, Medicine - Infectious Diseases

    BioDr. Orlando Quintero is a board-certified, fellowship trained internist specializing in the diagnosis and treatment of infectious diseases. He is also clinical assistant professor in the Department of Medicine, Division of Infectious Diseases, at Stanford University School of Medicine.

    As a clinician, Dr. Quintero diagnoses and treats infectious diseases in immunocompromised patients. This includes the prevention, diagnosis and treatment of infections in patients who are immunosuppressed because of Solid Organ Transplantation, Bone Marrow (Hematopoeitic Cell) Transplants, Hematologic Malignancies, Chemotherapy for Solid Tumors, HIV who receive Chemotherapy, Solid Organ or Bone Marrow Transplants Immunomodulators for Auto-Immune Diseases and other forms of immunodeficiency.

    Dr. Quintero has published on topics including coronavirus in kidney transplant patients, prevention of cytomegalovirus in heart transplant patients, and prevention of urinary tract infections in renal transplant patients. His work has appeared in publications including Transplant Infectious Disease, Emerging Infectious Diseases, and the Journal of Heart and Lung Transplantation.

    He has delivered presentations at meetings of organizations including the International Society for Heart and Lung Transplantation, Interscience Conference on Antimicrobial Agents and Chemotherapy, and American Society of Tropical Medicine and Hygiene. Topics of his presentations have included prevention of cytomegalovirus, prevention of recurrent urinary tract infections, Chagas disease in New York City, and more.

    Currently, Dr. Quintero is conducting research on treatment of patients with COVID-19, prevention and treatment of invasive fungal infections of the gastrointestinal tract in immunocompromised patients, and the epidemiology of invasive fungal infections in heart transplant recipients.

    Among his awards, He has received honors for his teaching and research from Albert Einstein College. He also has earned recognition from the Fred Hutchinson Cancer Research Center and the American Society of Transplantation.

    Dr. Quintero’s volunteer community service includes participation in health fairs to promote HIV testing and hypertension control, plus disease management in the Garifuna population in New York – descendants of an Afro-indigenous population from the Caribbean island of St. Vincent.

    He is a member of the Infectious Disease Society of American, Infectious Diseases Association of California, American Society of Transplantation, and HIV Medicine Association.

  • Ralph Rabkin

    Ralph Rabkin

    Professor of Medicine, Emeritus

    Current Research and Scholarly InterestsDr Rabkin is examining the mechanism of the acquired resistance to hormones that develops in kidney failure.In particular he is studying the impact of kidney failure on the action of growth hormone and the role of impaired signal transduction as a cause of growth hormone resistance. He is also engaged in the study of growth factors in diabetic kidney disease.

  • Cara Rada

    Cara Rada

    Postdoctoral Scholar, Hematology

    Current Research and Scholarly InterestsI develop human brain models to study neurological infection, cancer metastasis, and neurodegeneration. My research focuses on the brain’s blood vessels and brain resident immune cell, microglia, and investigates how alterations in these components of the brain microenvironment can have deleterious effects.

  • Thomas Raffin

    Thomas Raffin

    The Colleen and Robert Haas Professor in Medicine and Biomedical Ethics, Emeritus

    Current Research and Scholarly InterestsDr. Raffin is a clinician, teacher and investigator. He retired as Chief of the Division of Pulmonary and Critical Care Medicine in 2004. His key areas of academic interest include the biology and management of acute lung injury; basic biology of human lung and white cells; and, key issues in biomedical ethics including withholding and withdrawing life support, health care delivery, genomics, genetic screening, and neuroethics.

  • Afrin Kamal Rahman MD MS

    Afrin Kamal Rahman MD MS

    Clinical Associate Professor, Medicine - Gastroenterology & Hepatology

    BioDr. Afrin Kamal Rahman (previously known as Dr. Kamal) is a Clinical Associate Professor of Gastroenterology at Stanford University School of Medicine. Her health services research interests focus on developing and testing communication tools to improve the patient-care provider experience. She has authored 50+ peer reviewed publications and is an NIH funded research. Dr. Rahman is a principal investigator for a K23 grant awarded by the NIDDK to develop and test a mobile health application tool for patients with gastroesophageal reflux disease (GERD).

    Dr. Rahman is co-chair of the Young International Society for Diseases of the Esophagus (ISDE) and serves on several committees as part of American College of Gastroenterology and American Foregut Society. She is also an associate editor for Diseases of the Esophagus and director of the Esophageal Virtual Collaborative, an on-line platform with a mission to discuss complex challenging cases in benign esophageal disease among colleagues cross-nation.

    PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=kamal%2C+afrin&sort=date
    Research website: knowreflux.org

  • Sameer Raina, MD, MBBS, MBA, FACC

    Sameer Raina, MD, MBBS, MBA, FACC

    Clinical Associate Professor, Medicine - Cardiovascular Medicine

    BioDr. Raina is a board-certified cardiologist in the General Cardiology clinic at Stanford Health Care and a member of the Stanford Cardiovascular Institute. He is also a clinical associate professor in the Division of Cardiovascular Medicine.

    His clinical interests include preventive cardiology, cardiac rehabilitation, and sports cardiology. In his recent positions at West Virginia University, he established the cardiology telemedicine program during and after the COVID pandemic. He applied his passion for cardiac rehab by creating individualized treatment plans for college athletes recovering from COVID. Dr. Raina is also passionate about building relationships with community doctors. He believes continuous communication is an essential part of excellent patient care.

    Dr. Raina’s current research focuses on preventive cardiology, cardiac imaging, and outcomes research. He studies the outcomes of different cardiac interventions in specific patient populations. His research helps identify appropriate treatments for patients who have other conditions in addition to heart disease.

    Dr. Raina eagerly anticipates joining the faculty of the Stanford South Asian Translational Heart Initiative (SSATHI). He is excited for the opportunity to address the high risk of cardiovascular diseases among South Asians. He looks forward to applying his clinical and research experience to support SSATHI’s mission to provide advanced care to ethnic populations disproportionately affected by these diseases.

    Dr. Raina is a peer reviewer for several prestigious publications, including Neuropsychiatric Disease and Treatment and the International Journal of Chronic Obstructive Pulmonary Disease. He has also been an invited guest speaker at national and international meetings, including those for the International Congress of Cardiology and the World Congress of Cardiothoracic-Renal Diseases.

    Dr. Raina is a fellow of the American College of Cardiology (FACC) and a member of the American College of Cardiology.

  • Rishi Raj

    Rishi Raj

    Clinical Professor, Medicine - Pulmonary, Allergy & Critical Care Medicine

    BioDr. Rishi Raj is a Clinical Professor of Medicine at Stanford University, where he directs the Interstitial Lung Disease program. He has practiced pulmonary and critical care medicine for over two decades and specializes in the diagnosis and treatment of interstitial lung diseases.

    His primary clinical interest encompasses a range of interstitial lung diseases, including idiopathic pulmonary fibrosis, other idiopathic interstitial lung diseases, drug-induced interstitial lung diseases, interstitial lung disease associated with connective tissue diseases such as scleroderma, rheumatoid arthritis, dermatomyositis, sarcoidosis, hypersensitivity pneumonitis, and other various interstitial lung diseases. His other clinical interest is acute respiratory failure associated with interstitial lung diseases, and Dr. Raj attends regularly in the medical intensive care units.

    He is a principal investigator and co-investigator in numerous clinical trials, examining new therapies for treating idiopathic pulmonary fibrosis and other interstitial lung diseases.

    Dr. Raj's current research focuses on the use of radiologic biomarkers to predict outcomes in various interstitial lung diseases, and leveraging large language models in clinical research.

  • Shriti Raj

    Shriti Raj

    Assistant Professor of Medicine (Computational Medicine)

    BioShriti is an Assistant Research Professor in Stanford’s Center for Biomedical Informatics Research and a Junior Faculty Fellow at the Institute for Human-Centered AI. Her research focuses on developing and evaluating human-centered decision-support techniques to help patients and clinicians make health data and algorithms actionable. She is particularly interested in creating tools to support the use of wearable health data and studying their impact on chronic condition management.

  • Kavitha Ramchandran

    Kavitha Ramchandran

    Clinical Professor, Medicine - Oncology

    Current Research and Scholarly InterestsMy research focuses on innovative models of care delivey to understand how to integrate primary and specialist palliative care. We also do work in palliative care education and how to scale our education to be impactful and sustainable. We are evaluating online models.

    In cancer care I do research on novel therapeutics in thoracic malignancies including immunotherapy, new targeted agents, and new sequencing of approved drugs.

  • Meghan Ramsey

    Meghan Ramsey

    Clinical Associate Professor, Medicine - Pulmonary, Allergy & Critical Care Medicine

    BioDr. Meghan Ramsey is a Clinical Associate Professor in the Division of Pulmonary, Allergy, and Critical Care Medicine. She received her undergraduate degree from Lafayette College in Pennsylvania with a major in Neuroscience. She then attended Stanford University for medical school where she stayed to complete her internal medicine residency, and pulmonary/critical care fellowship. Her clinical time is split between the inpatient setting in the medical ICU and the ambulatory setting in Interventional Pulmonology with a focus on thoracic malignancies. Outside of her clinical time she has a dedicated commitment to teaching, serving as a mentor for residents and fellows, as well as leading as a co-director the pulmonary physiology course for medical students.

  • Ekanath Srihari Rangan

    Ekanath Srihari Rangan

    Affiliate, Department Funds
    Resident in Medicine

    Current Research and Scholarly InterestsCardiovascular, Neurological, and other organ systems health through non-invasive and pervasive - Wear, Watch & Warn - disease severity trajectories; Measure, Monitor, & Modify for Predictive, Preemptive & Preventative health.
    Multidisciplinary synergy of collaborative creativity through the joining of forces of technology and intelligence with medicine to overcome intractable diseases.
    Coherence of Computation and Compassion for holistic health @ home.