School of Medicine


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  • Nitasha Khullar, MD

    Nitasha Khullar, MD

    Clinical Assistant Professor, Medicine - Immunology & Rheumatology

    BioDr. Nitasha Khullar is a board-certified, fellowship-trained rheumatologist at Stanford Health Care. She is also a clinical assistant professor in the Department of Medicine, Division of Immunology and Rheumatology at Stanford University School of Medicine.

    Dr. Khullar specializes in caring for people with autoimmune and inflammatory diseases that affect the joints, muscles, and immune system. She treats conditions like lupus, rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, vasculitis, gout and other complex rheumatic disorders. She provides personalized care for each patient, focusing on early diagnosis and working closely with other medical specialists to help manage these diseases. She values shared decision-making and a patient-centric approach to her care.


    Dr. Khullar’s work has been presented at national and international conferences, including the American College of Rheumatology and the American Association of Immunology. She has authored peer-reviewed publications in journals such as Viruses, Molecular Neurobiology, Age (Dordrecht, Netherlands), and Current Treatment Options in Rheumatology.

    She is a member of the American College of Rheumatology.

  • Butrus Khuri-Yakub

    Butrus Khuri-Yakub

    Professor (Research) of Electrical Engineering, Emeritus

    BioButrus (Pierre) T. Khuri-Yakub is a Professor of Electrical Engineering at Stanford University. He received the BS degree from the American University of Beirut, the MS degree from Dartmouth College, and the Ph.D. degree from Stanford University, all in electrical engineering. His current research interests include medical ultrasound imaging and therapy, ultrasound neuro-stimulation, chemical/biological sensors, gas flow and energy flow sensing, micromachined ultrasonic transducers, and ultrasonic fluid ejectors. He has authored over 600 publications and has been principal inventor or co-inventor of 107 US and international issued patents. He was awarded the Medal of the City of Bordeaux in 1983 for his contributions to Nondestructive Evaluation, the Distinguished Advisor Award of the School of Engineering at Stanford University in 1987, the Distinguished Lecturer Award of the IEEE UFFC society in 1999, a Stanford University Outstanding Inventor Award in 2004, Distinguished Alumnus Award of the School of Engineering of the American University of Beirut in 2005, Stanford Biodesign Certificate of Appreciation for commitment to educate, mentor and inspire Biodesgin Fellows, 2011, and 2011 recipient of IEEE Rayleigh award.

  • Kiran Khush, MD

    Kiran Khush, MD

    Professor of Medicine (Cardiovascular Medicine)

    Current Research and Scholarly InterestsDr. Khush'’s clinical research interests include the evaluation of donors and recipients for heart transplantation; mechanisms of adverse outcomes after heart transplantation, including cardiac allograft vasculopathy and antibody-mediated rejection; and development of non-invasive diagnostic approaches for post-transplant monitoring.

  • Phuong Khuu, MD

    Phuong Khuu, MD

    Clinical Assistant Professor, Dermatology

    BioPhuong Khuu, M.D., is a Clinical Assistant Professor in Pediatric Dermatology at Lucile Packard Children’s Hospital. Her clinical interests include children with complex dermatologic diseases and epidermolysis bullosa. Her research interest is in clinical management of epidermolysis bullosa.

  • Mathew Kiang

    Mathew Kiang

    Assistant Professor of Epidemiology and Population Health (Epidemiology)

    BioI am an assistant professor in the Department of Epidemiology and Population Health. My research lies at the intersection of computational epidemiology and social epidemiology. Methodologically, my work revolves around combining disparate data sources in epidemiologically meaningful ways. For example, I work with individual-level, non-health data (e.g., GPS, accelerometer, and other sensor data from smartphones), traditional health data (e.g., survey, health systems, or death certificate data), and third-party data (e.g., cellphone providers or ad-tech data). To do this, I use a variety of methods such as joint Bayesian spatial models, traditional epidemiologic models, dynamical models, microsimulation, and demographic analysis. Substantively, my work focuses on socioeconomic and racial/ethnic inequities, substance use, and child health. For example, recently, my work has examined inequities in COVID-19 vaccine distribution, cause-specific excess mortality, and drug poisonings. Other work has examined the impact of changing vaccination rates on the reemergence of infectious diseases and the prevalence of parental death among children.

  • Nour Kibbi, MD, FAAD

    Nour Kibbi, MD, FAAD

    Clinical Associate Professor, Dermatology

    BioDr. Kibbi is a board-certified dermatologist and fellowship-trained dermatologic surgeon. Her clinical interests include Mohs micrographic surgery for skin cancer and laser and injectable treatments to combat aging, sun-damaged skin, and other indications. Her research interests include rare skin tumors, challenging lip lesions, non-invasive treatments, such as photodynamic therapy for non-melanoma skin cancer, and cosmetic procedures for acne scars and autoimmune conditions. Her work has appeared at national and international meetings and has been published in peer-reviewed journals, including Lancet Oncology, Journal of the American Academy of Dermatology, British Journal of Dermatology, Journal of Dermatologic Surgery.

  • Joel Killen

    Joel Killen

    Professor (Research) of Medicine (General Internal Medicine), Emeritus

    Current Research and Scholarly InterestsMy research is focused on the development and evaluation of cigarette smoking prevention and cessation therapies and obesity prevention treatments for children, adolescents and adults.

  • Bora Kim, MD, MAS

    Bora Kim, MD, MAS

    Clinical Assistant Professor, Psychiatry and Behavioral Sciences

    BioDr. Bora Kim is a board-certified psychiatrist and Clinical Assistant Professor in the Department of Psychiatry and Behavioral Sciences at Stanford University. With a strong background in neuromodulation, clinical research, and psychiatric epidemiology, Dr. Kim specializes in the treatment of mood disorders, suicidality.

    Dr. Kim completed her psychiatry residencies in both South Korea and the United States, providing her with a unique cross-cultural perspective on mental health care in both English and Korean. She holds a Master of Advanced Study (MAS) in Clinical Research from the University of California, San Francisco (UCSF), where she gained expertise in advanced epidemiologic and biostatistical methods. Her clinical expertise includes transcranial magnetic stimulation (TMS) and other neuromodulation techniques for treatment-resistant depression and suicidality.

    Dr. Kim’s research focuses on precision psychiatry, with a particular emphasis on the use of repetitive transcranial magnetic stimulation (rTMS) to reduce suicidal ideation. As a faculty member at Stanford, she collaborates with the Brain Stimulation Lab to investigate novel applications of accelerated intermittent theta burst stimulation (aiTBS) in mood disorders and suicidality.