Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. John C Koumas, DO

Individual provider Family Medicine Physician · NPI 1134111958

Mrs. John C Koumas, DO is a Family Practice in West Covina, California. Graduated from College of Osteo Med of the Pacific at Pomona in 1987, 39 years ago. Practices with Emanate Health Medical Care Foundation, a 83-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
39
Trained at
College of Osteo Med of the Pacific at Pomona
Licensed in
CA
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1135 S Sunset Ave Ste 200
West Covina, CA 91790-3964
Phone: (626) 732-8390
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 767 S Sunset Ave, West Covina, CA 91790-3546 — (626) 337-7204

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A5515 (CA)

Record details

NPI number1134111958
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 17, 2005
Last updated in NPPESFebruary 1, 2024
Certification dateFebruary 1, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolCOLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduated 1987 (39 years in practice)
Group practice Emanate Health Medical Care Foundation — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in West Covina