Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Mackenzie L. Carr

Sees patients in Port Jefferson Station, NY · Rockville Centre, NY · Southampton, NY · New York

Summary

Mackenzie L. Carr (Nurse Practitioner) is enrolled with Medicare at 3 practice locations in Port Jefferson Station, NY, Rockville Centre, NY and Southampton, NY. NPI 1659237295. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mackenzie L. Carr, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
1Years since medical school (graduated 2025)
FemaleGender (as listed)
Mission Medical Care PCGroup practice

Quick answers

Where does Mackenzie L. Carr see patients?
Medicare's clinician data lists 3 practice locations, including Port Jefferson Station, NY, Rockville Centre, NY and Southampton, NY. Call before your visit to confirm the address.
What is Mackenzie L. Carr's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Mackenzie L. Carr accept Medicare assignment?
Yes. Medicare's clinician data says Mackenzie L. Carr accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mackenzie L. Carr?
(212) 803-3339, as listed in official Medicare / NPI Registry data.
What is Mackenzie L. Carr's NPI number?
1659237295. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mackenzie L. Carr is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mackenzie L. Carr as a member of this group (CMS data updated 2026-10-02).

  • Mission Medical Care PC56 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Port Jefferson Station

Clinicians with the same Medicare primary specialty in Port Jefferson Station, NY — not a recommendation.

All nurse practitioners in Port Jefferson Station →

Clinician information

Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659237295
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians