# SAGAPONACK MEDICAL PC

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- **Entity:** Organization
- **Status:** Active
- **Other names:** Halsey Dermatology, Sag Harbor Dermatology
- **Organization subpart:** No

## Provider details

- **NPI number:** 1407351646
- **Authorized official:** MARK A. HALSEY MD (PRESIDENT)
- **Authorized official phone:** (631) 731-1099

## Contact information

- **Practice address:** 3350 NOYAC RD, SAG HARBOR, NY 11963-1908
- **Practice address phone:** (631) 731-1099
- **Mailing address:** 3350 NOYAC RD, SAG HARBOR, NY 11963-1908
- **Mailing address phone:** (631) 731-1099

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 261QM2500X | Medical Specialty Clinic/Center | — | NULL | Yes |

## Other

- **Enumeration date:** 03/29/2018
- **Last updated:** 07/08/2026