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 MCCARTHY JR., MD

INFECTIOUS DISEASE

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1981

Also: INTERNAL MEDICINE

NPI: 1679650923

Practice Locations (3)

1850 S AZUSA AVE, SUITE 200

HACIENDA HEIGHTS, CA 917456853

PO BOX, SUITE 3129

TORRANCE, CA 90510

12401 WASHINGTON BLVD

WHITTIER, CA 906021006

5626980811

Source: CMS National Downloadable File, September 2026.

JOHN MCCARTHY, MD | HealthCareAtlasUSA