Mackenzie Carr
NPI 1659237295 · Family Nurse Practitioner · Holbrook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Carr is a Family Nurse Practitioner provider in Holbrook, NY (NPI 1659237295).
Provider details
- NPI number
- 1659237295
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- F357529-01 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 12 Medical DrPort Jefferson Station, NY 11776-1588Phone: (212) 803-3339
- 1228 E Main StRiverhead, NY 11901-2675Phone: (212) 803-3339
- 625 Hampton RdSouthampton, NY 11968-3051Phone: (212) 803-3339
Registry dates
- Enumerated
- 2025-12-29
- Last updated
- 2025-12-29
- Certified
- 2025-12-28
Frequently asked questions
- What is Mackenzie Carr's NPI number?
- Mackenzie Carr's National Provider Identifier (NPI) is 1659237295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Carr's specialty?
- Mackenzie Carr is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Carr located?
- Mackenzie Carr's practice location on file with NPPES is 233 Union Ave, Holbrook, NY 11741-1820.
- What is Mackenzie Carr's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Carr is (212) 803-3339.
- Does Mackenzie Carr accept Medicare?
- Mackenzie Carr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Carr's NPI active?
- Yes — Mackenzie Carr's NPI (1659237295) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.