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

ROBERT CHOOLJIAN GUNZENHAUSER, MD

OPHTHALMOLOGY

Medical school: WAKE FOREST UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2020

NPI: 1457988065

Practice Locations (1)

MARC H SHOMER MD PHD INC

1298 W 7TH ST

UPLAND, CA 917867035

9099819800

Source: CMS National Downloadable File, September 2026.

ROBERT GUNZENHAUSER, MD | HealthCareAtlasUSA