Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
FRANK DUAN, MD
ActiveFRANK DUAN, MD is a Internal Medicine healthcare provider located in NEW YORK, New York. NPI 1679214399 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · NEW YORK, NY
Registration Details
- NPI Number
- 1679214399
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 5, 2022 (4.3731029362783 yrs)
- Last Updated
- Oct 28, 2025
- License
-
337296 (NY)
Practice Information
- Address
-
234 E 85TH STNEW YORK, NY, 100283001Browse NY providers · Browse ZIP 10028
- Phone
- 2122416585
- Fax
- 2128242335
- Primary Specialty
-
Internal Medicine
207R00000X
Other Internal Medicine Providers in NEW YORK, NY
| Name | Credential | NPI |
|---|---|---|
| WALT G SARGEANT | M.D. | 1720081433 |
| DR. DAVID A KAMLET | M.D. | 1205839917 |
| DR. KENNETH PAUL SCILEPPI | M.D. | 1568465003 |
| DR. MARTIN DIEGO ORTIZ | M.D. | 1467454793 |
| JAMES CHENG | MD | 1811990120 |
| DR. JAIME F LOPEZ-SANTINI | MD | 1295739944 |
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.