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 J EHUM, MD

FAMILY PRACTICE

Medical school: LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2005

Offers telehealth

NPI: 1942483409

Practice Locations (1)

18331 GRIDLEY RD, SUITE A

CERRITOS, CA 907035438

5628653738

Source: CMS National Downloadable File, September 2026.

JOHN EHUM, MD | HealthCareAtlasUSA