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Dr. Ryan Douglas McMahan, MD, MAS is an internist in San Francisco, CA specializing in internal medicine (adult medicine) and geriatrics (elderly care). He graduated from University of California, San Francisco (UCSF), School of Medicine. Dr. Ryan Douglas McMahan, MD, MAS is affiliated with Hill Physicians.
Dr. Ryan Douglas McMahan, MD, MAS graduated from University of California, San Francisco (UCSF), School of Medicine. He completed residency at Kaiser Permanente San Francisco Medical Center. He is certified by the American Board of Internal Medicine and has a state license in California.
Medical School: University of California, San Francisco (UCSF), School of Medicine
Residency: Kaiser Permanente San Francisco Medical Center
Board Certification: American Board of Internal Medicine (2026)
Licensed In: California
Dr. Ryan Douglas McMahan, MD, MAS appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, UnitedHealthcare, SCAN Health Plan, Anthem, Health Net, Hill Physicians Care Solutions, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.
According to our sources, Dr. Ryan Douglas McMahan, MD, MAS accepts the following insurance providers:
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Dr. Ryan McMahan's specialty is geriatrics (elderly care). He is in-network for several insurance carriers, including Blue Shield, Health Net, and Anthem. His education and training includes medical school at the University of California, San Francisco (UCSF), School of Medicine and residency at Kaiser Permanente San Francisco Medical Center. Dr. McMahan is affiliated with Hill Physicians. Dr. McMahan welcomes new patients at his office inSan Francisco, CA as reported by Hill Physicians.
