Dr. Greer M. Murphy, M.D., Ph.D JR.

Dr. Greer Murphy, M.D., Ph.D, is a board certified psychiatrist, addiction medicine specialist, and physician scientist with clinical and research experience in general psychiatry, geriatric psychiatry, addiction medicine, neuroscience, and telemedicine. Offers evidence based, flexible care (office, video, phone, home/facility visits) with transparent billing and timely access for new patients.With daily experience evaluating diagnostic and treatment evidence while leading a Stanford neuroscience lab, Dr. Murphy recommends treatments supported by robust scientific data and prioritizes firstline, validated approaches. Dr. Murphy does not promote therapies that are trending in media or online without strong evidence. Having practiced for more than 30 years in acute care settings, including Stanford Hospital, Dr. Murphy is attentive to patients’ other medical conditions and routinely collaborates closely with other physicians and healthcare providers to ensure coordinated, comprehensive …care.Selected Credentials and Licensure:Board Certifications: Psychiatry; Geriatric Psychiatry; Addiction Medicine; Lifestyle Medicine30+ years clinical experience in general and geriatric psychiatry and addiction medicine23 years as director of an NIH‑funded molecular biology and genetics laboratoryExtensive publication record in Alzheimer’s neurobiology and pharmacogeneticsEmeritus Faculty, Academic Council, Psychiatry and Behavioral ScienceLicensed to practice medicine in California, Hawaii, Maryland, the District of Columbia, and VirginiaDr. Murphy emphasizes accessible, evidence‑based care and typically schedules new patient intakes within a relatively short period. During initial evaluation and treatment, Dr. Murphy maintains close contact with patients to ensure conditions are treated and stabilized as quickly and safely as possible. If questions arise between appointments, Dr. Murphy responds promptly—often via a brief phone call or secure messaging—to address concerns and coordinate care. Extended appointments are frequently available for patients who need extra time.To schedule a new patient intake or inquire about appointment options, contact Dr. Murphy’s office today!