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. He speaks English and Spanish.
Languages Spoken: English, Spanish
Medical School: University of California, San Francisco School of Medicine; Graduated 1973
*This physician has multiple office locations. See Office Information for details.