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

MATTHEW JAMES MASON, MD

EMERGENCY MEDICINE

Graduated: 2019

NPI: 1487116281

Practice Locations (3)

REGENTS OF THE UNIVERSITY OF CALIFORNIA

1415 ROSS AVE

EL CENTRO, CA 922434306

8587594765

ELIZABETH SUPPORTIVE MEDICAL SPECIALISTS A MEDICAL CORPORATION

800 W VALLEY PKWY

ESCONDIDO, CA 920252557

7607963763

REGENTS OF THE UNIVERSITY OF CALIFORNIA

200 W ARBOR DR

SAN DIEGO, CA 921039000

8586577000

Source: CMS National Downloadable File, September 2026.

MATTHEW MASON, MD | HealthCareAtlasUSA