Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
JOHN K DERDERIAN, DO
ActiveJOHN K DERDERIAN, DO is a Internal Medicine healthcare provider located in LANCASTER, Pennsylvania. NPI 1477595445 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · LANCASTER, PA
Registration Details
- NPI Number
- 1477595445
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 12, 2006 (20.191217704519 yrs)
- Last Updated
- Nov 1, 2025
- License
-
OS011857 (PA)
Practice Information
- Address
-
555 N DUKE STLANCASTER, PA, 176022250Browse PA providers · Browse ZIP 17602
- Phone
- 7175445511
- Primary Specialty
-
Internal Medicine
207R00000X
Other Internal Medicine Providers in LANCASTER, PA
| Name | Credential | NPI |
|---|---|---|
| J. HAROLD MOHLER | MD | 1215931274 |
| CARLOS A SANCHEZ | MD | 1669476628 |
| DR. ROBERT W MARTIN | MD | 1114921186 |
| JOAN KAY HARROLD | MD | 1215935580 |
| ARIF HAFIZ | MD | 1366442022 |
| DR. MAUNG KYAW WIN | MD | 1376543652 |
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.