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

THOMAS MARTIN HEMMEN, MD

NEUROPSYCHIATRY

Graduated: 1994

Also: NEUROLOGY

Offers telehealth

NPI: 1902821945

Practice Locations (2)

REGENTS OF THE UNIVERSITY OF CALIFORNIA

200 W ARBOR DR

SAN DIEGO, CA 921033109

8586577000

REGENTS OF THE UNIVERSITY OF CALIFORNIA

200 W ARBOR DR

SAN DIEGO, CA 921039000

8582496753

Source: CMS National Downloadable File, September 2026.

THOMAS HEMMEN, MD | HealthCareAtlasUSA