Dr. Gregory P. Hahn has been practicing medicine for 41 years. Dr. Hahn graduated from the University of California, San Francisco School of Medicine in 1973. He practices medicine in Alamo, CA and 1 other location and specializes in Adolescent Medicine and Pediatrics. Dr. Hahn is affiliated with John Muir Medical Center Walnut Creek. He speaks English and Spanish.
Years in Practice: 41 Years
Languages Spoken: English, Spanish
Medical School: University of California, San Francisco School of Medicine
Graduation Date: 1973
Hospital Affiliations: John Muir Medical Center Walnut Creek
Specialties: Adolescent Medicine, Pediatrics
*This physician has multiple office locations. See Appointments for details.