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

STEVEN J. MCALLEN, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE

Graduated: 1986

Offers telehealth

NPI: 1821081043

Practice Locations (1)

DAVID B. HAMMER

1051 LAS TABLAS RD

TEMPLETON, CA 934655603

Source: CMS National Downloadable File, September 2026.

STEVEN MCALLEN, MD | HealthCareAtlasUSA