Medicine
Showing 311-320 of 461 Results
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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. -
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
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Vishnu Ravi
Clinical Assistant Professor, Medicine - Primary Care and Population Health
BioDr. Vishnu Ravi combines his expertise as a board-certified, practicing internal medicine physician, senior software engineer, and board-certified clinical informaticist to create transformative solutions for healthcare.
As the Technology Architect for Stanford Medicine Catalyst, the Stanford School of Medicine's flagship innovation program, he designs, develops, and implements innovations including AI-driven platforms for Parkinson's care, chronic cardiovascular disease management, and precision pharmacogenomics that are helping patients receive more personalized and effective care.
At the Stanford Mussallem Center for Biodesign, Vishnu helps lead the center's digital health initiatives spanning education, research, and translation. To support this work, he co-founded Stanford Spezi, an open-source framework and ecosystem for building modular, standards-based digital health solutions that is now used by leading healthcare institutions and companies worldwide.
Vishnu also instructs Stanford's CS342/MED253 Building for Digital Health, an innovative course that brings together computer science, engineering, and medical students with clinical faculty to develop real-world healthcare applications. In 2025, he helped lead the international expansion of this program, with a successful launch at Chalmers University of Technology and University of Gothenburg in Sweden. He is also deeply involved in the effort to weave AI into the medical school curriculum at Stanford.
Vishnu's entrepreneurial experience includes co-founding a TechStars-backed startup and developing COVID-19 solutions deployed internationally. He has pioneered clinical AI applications, creating conversational agents and advanced analytics for unstructured health data, while contributing to international mobile health data standards. He serves as a technical consultant to companies including Google and speaks regularly at industry conferences.
Alongside his technology work, Vishnu maintains his connection to clinical practice as an Internal Medicine physician providing comprehensive primary care to a diverse patient population at Stanford Health Care.
