Individual provider Active NPI

Margaret McMackin, REGISTERED NURSE

  • Nurse Practitioner
  • New York, NY
National Provider Identifier
1720390032
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
F354968-01 Issued in NY
Practice address
451 Park Ave S FL 3
New York, NY 10016-7390
Phone
(212) 786-7705
NPI assigned
Jul 2, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X F354968-01 NY Primary

Addresses

Primary practice location

451 Park Ave S FL 3
New York, NY 10016-7390

Mailing address

451 Park Ave S FL 3
New York, NY 10016-7390
Phone (212) 786-7705

Other identifiers 1

IdentifierTypeStateIssuer
508750OtherNYREGISTERED NURSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
F354968-01NYMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Accucare Nursing Past Accepting new patients
North Shore-Lij Medical PC PastSince Oct 5, 2025 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1278028800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1720390032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "451 PARK AVE S FL 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100167390",
            "telephone_number": "212-786-7705"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "451 PARK AVE S FL 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100167390",
            "telephone_number": "212-786-7705"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMACKIN",
        "first_name": "MARGARET",
        "credential": "REGISTERED NURSE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-07-02",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "NY",
            "license": "F354968-01",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGISTERED NURSE",
            "identifier": "508750",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.