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 D WALTHER, MD

EMERGENCY MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE

Graduated: 1978

NPI: 1609816958

Practice Locations (2)

SUTTER BAY MEDICAL FOUNDATION

2025 SOQUEL AVE

SANTA CRUEZ, CA 950621323

8314234111

SUTTER BAY MEDICAL FOUNDATION

550 S GREEN VALLEY RD

WATSONVILLE, CA 950763053

8314585865

Source: CMS National Downloadable File, September 2026.

JOHN WALTHER, MD | HealthCareAtlasUSA