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Dr. Gregory Hahn, MD


  • (925) 838-7337

Dr. Hahn's Overview

Dr. Gregory Hahn graduated from the University of California, San Francisco School of Medicine in 1973. He works in Alamo, CA and 1 other location and specializes in Pediatrics. Dr. Hahn is affiliated with John Muir Medical Center Walnut Creek.

Dr. Hahn's Experience

Years in Practice: 42

Dr. Hahn's Specialties


Dr. Hahn's Education & Training

Medical School: University of California, San Francisco School of Medicine; Graduated 1973

Dr. Hahn's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Hahn's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • BCBS Blue Card PPO
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA PPO
  • Blue Cross CA Select Plus HMO
  • Blue Shield CA Access Plus HMO
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Dr. Hahn's Office Information & Appointments

Office Locations

*This physician has multiple office locations. See Office Information for details.

Other Physicians in Dr. Hahn's Practice

Dr. Hahn's Hospital Affiliations

Office Locations

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