Provider profile · NPI 1902331630

Jeffrey Ahn, M.D.

Internal Medicine, Hematology & Oncology · Orange, CA · NPI 1902331630 · No federal exclusion match

✔ Verified against the public CMS NPPES registry & HHS-OIG LEIE as of Jun 21, 2026. Source-linked, daily-refreshed. Public data only — no PHI.

Registry details

Type

Individual

Primary specialty

Internal Medicine, Hematology & Oncology

Enumerated

May 1, 2017

License(s)

A159137 (CA)

Addresses on file

PurposeAddressCity/StatePhone
LOCATION101 THE CITY DR S Orange, CA 92868-3298714-456-8100
MAILING200 S MANCHESTER AVE STE 300 Orange, CA 92868-3219714-456-8888

View on NPPES registry ↗

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