Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARK A. HALSEY, MD
Active Sole ProprietorMARK A. HALSEY, MD is a Dermatology healthcare provider located in SAG HARBOR, New York. NPI 1790070480 is currently active in the NPPES registry. Verify at CMS.
Dermatology · SAG HARBOR, NY
Registration Details
- NPI Number
- 1790070480
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 10, 2011 (15.171858780594 yrs)
- Last Updated
- Aug 5, 2025
- Licenses
-
282033 (NY)282033 (NY)282033 (NY)
- Sole Proprietor
- Yes
Practice Information
- Address
-
3350 NOYAC RDSAG HARBOR, NY, 119631908Browse NY providers · Browse ZIP 11963
- Phone
- 6317311099
- Primary Specialty
-
Dermatology
207N00000X
- Additional Specialty
- Procedural Dermatology
- Additional Specialty
- Dermatology
Other Dermatology Providers in SAG HARBOR, NY
| Name | Credential | NPI |
|---|---|---|
| ASHTON LEIGH WILSON | — | 1295402337 |
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.