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

MARK S SPITZER, DO

OTOLARYNGOLOGY

Graduated: 1981

Offers telehealth

NPI: 1407848435

Practice Locations (1)

TIMOTHY S JOHNSTON MD PC

410 E YOSEMITE AVE, SUITE B

MERCED, CA 953408220

2099348077

Source: CMS National Downloadable File, September 2026.

MARK SPITZER, DO | HealthCareAtlasUSA