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 C KOUMAS, DO

FAMILY PRACTICE

Medical school: COLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA

Graduated: 1987

Offers telehealth

NPI: 1134111958

Practice Locations (2)

LAKE FOREST MEDICAL GROUP, INC.

24401 MUIRLANDS BLVD, SUITE A

LAKE FOREST, CA 926303948

9497701950

EMANATE HEALTH MEDICAL CARE FOUNDATION

1115 S SUNSET AVE, SUITE 200

WEST COVINA, CA 917903940

6267328390

Source: CMS National Downloadable File, September 2026.