Sagaponack Medical PC
NPI 1407351646 · Medical Specialty Clinic/Center · Sag Harbor, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sagaponack Medical PC is a Medical Specialty Clinic/Center organization in Sag Harbor, NY (NPI 1407351646).
Provider details
- NPI number
- 1407351646
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Halsey, President(631) 731-1099
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Halsey Dermatology
- Doing business as
- Sag Harbor Dermatology
- Doing business as
- Sag Harbor Dermatology
Registry dates
- Enumerated
- 2018-03-29
- Last updated
- 2025-08-07
- Certified
- 2025-08-05
Frequently asked questions
- What is Sagaponack Medical PC's NPI number?
- Sagaponack Medical PC's National Provider Identifier (NPI) is 1407351646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sagaponack Medical PC?
- Sagaponack Medical PC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Sagaponack Medical PC located?
- Sagaponack Medical PC's practice location on file with NPPES is 3350 Noyac Rd, Sag Harbor, NY 11963-1908.
- What is Sagaponack Medical PC's phone number?
- The practice phone number listed in the NPPES registry for Sagaponack Medical PC is (631) 731-1099.
- Does Sagaponack Medical PC accept Medicare?
- Sagaponack Medical PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sagaponack Medical PC?
- The authorized official listed on Sagaponack Medical PC's NPPES record is Mark Halsey, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sagaponack Medical PC's NPI active?
- Yes — Sagaponack Medical PC's NPI (1407351646) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.