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

Brian Ahn, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1265849749

Brian Ahn, DO is a Family Practice in Chino, California. Qualified in 2014, 12 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment.

Years since qualifying
12
In the registry since
2014
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

5451 Walnut Ave
Chino, CA 91710-2609
Phone: (909) 464-8600
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1265849749
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 17, 2014
Last updated in NPPESDecember 16, 2021
Mailing address5451 Walnut Ave, Chino, CA 91710-2609

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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