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

JOHN WILLIAM ZAMARRA, MD

INTERNAL MEDICINE

Medical school: STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE

Graduated: 1975

Also: CARDIOVASCULAR DISEASE (CARDIOLOGY)

NPI: 1518052489

Practice Locations (3)

BEAR VALLEY COMMUNITY HEALTH CARE DISTRICT

PO BOX

BIG BEAR LAKE, CA 923151649

BEAR VALLEY COMMUNITY HEALTH CARE DISTRICT

PO BOX, SUITE 1649

BIG BEAR LAKE, CA 923151649

LAGUNA BEACH, CA 92651

9495757537

Source: CMS National Downloadable File, September 2026.