Search › California › 207RC0000X
Byung Ahn, MD
NPI 1194715193 · on the registry since 2005 · sole proprietor
Practice
- Address
- 685 N 13th Ave Ste 1
Upland, CA 91786 - Phone
- (909) 500-8683
- Organisation at this address
- Pih Health Physicians
United Heart Institute
Hammad O Khan, Md, Inc.
Roger D. Duber D.O., Inc.
Carlos R Canizales Md IncInferred from a shared address, not stated in the registry. - Clinicians at this address
- 15
Additional practice sites
- 1382 E Foothill Blvd, Upland, CA
Registry record
- Primary taxonomy
- 207RC0000X
207RC0000X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-03-25
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California