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

Ja Eun Koo

Individual provider Internal Medicine Physician · NPI 1558700187

Ja Eun Koo is a Hospitalist in Loma Linda, California. Graduated from West Virginia University School of Medicine in 2013, 13 years ago. Practices with Faculty Physicians and Surgeons of Llusm, a 1,308-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
13
Trained at
West Virginia University School of Medicine
Licensed in
CA
In the registry since
2013
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Practice location Address checks out

11234 Anderson St
Loma Linda, CA 92354
Phone: (909) 558-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 11370 Anderson St, Loma Linda, CA 92354-3450 — (909) 558-2145

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A137368 (CA)

Record details

NPI number1558700187
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 17, 2013
Last updated in NPPESJuly 1, 2018

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Faculty Physicians And Surgeons Of Llusm — 1308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Loma Linda