HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

MARY C GESSNER-PETERSON, DO

INTERNAL MEDICINE

Medical school: PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 2005

NPI: 1861662884

Practice Locations (1)

MARY GESSNER-PETERSON MEDICAL GROUP INC

1832 ALPINE BLVD, SUITE B

ALPINE, CA 919012107

9789941766

Source: CMS National Downloadable File, September 2026.

MARY GESSNER-PETERSON, DO | HealthCareAtlasUSA