Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
SANG HOON AHN, M.D.
Active Sole ProprietorSANG HOON AHN, M.D. is a Internal Medicine healthcare provider located in FULLERTON, California. NPI 1568581759 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · FULLERTON, CA
Registration Details
- NPI Number
- 1568581759
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Mar 28, 2007 (19.397173745565 yrs)
- Last Updated
- Feb 18, 2026
- Licenses
-
A95562 (CA)A95562 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
1950 SUNNY CREST DR STE 2800FULLERTON, CA, 928353641Browse CA providers · Browse ZIP 92835
- Phone
- 6578889919
- Fax
- 6578889941
- Primary Specialty
-
Internal Medicine
207R00000X
- Additional Specialty
- Medical Oncology
Other Internal Medicine Providers in FULLERTON, CA
| Name | Credential | NPI |
|---|---|---|
| RAJIV I BHAVSAR | M.D. | 1477550648 |
| BRADLEY BORSARI | MD | 1104826619 |
| EUGENE BOSTON | — | 1023019965 |
| RUBEN CABRAL | MD | 1568458008 |
| DAVID A RUCKMAN | M.D. | 1285620658 |
| FRIEDHELM H CORDES | M.D. | 1588650931 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.