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Edit this profileWhere to find Mackenzie L. Carr
- Holbrook location main office
233 Union Ave, Holbrook, NY 11741 - Riverhead location
1228 E Main St, Riverhead, NY 11901 - Port Jefferson Station location
12 Medical Dr, Port Jefferson Station, NY 11776 - Southampton location
625 Hampton Rd, Southampton, NY 11968
About Mackenzie Carr
Listed in the NPI registry as a nurse practitioner — family, Mackenzie L. Carr practices in Holbrook, NY. NPI 1659237295 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (212) 803-3339
- Email not available
Practice Locations
233 UNION AVE
Holbrook, NY 11741
1228 E Main St
Riverhead, NY 11901
12 Medical Dr
Port Jefferson Station, NY 11776
625 Hampton Rd
Southampton, NY 11968
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 19 related providers in 3 groups
Other nurse practitioners in Holbrook 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mackenzie L. Carr specialize in?
Mackenzie L. Carr is a nurse practitioner in Holbrook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Mackenzie L. Carr located?
Mackenzie L. Carr is listed at 233 Union Ave, Holbrook, NY 11741. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mackenzie L. Carr's phone number?
The number on file is (212) 803-3339. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mackenzie L. Carr?
Mackenzie L. Carr's National Provider Identifier is 1659237295. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mackenzie L. Carr train?
Mackenzie L. Carr attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mackenzie L. Carr have?
Mackenzie L. Carr has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Is Mackenzie L. Carr's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mackenzie L. Carr. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.