Individual provider Active NPI

Alison Komisarek, MSN, FNP-BC

  • Family Nurse Practitioner
  • Littleton, NH
National Provider Identifier
1720990567
Registry record updated Sep 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
078398-23 Issued in NH
Practice address
600 Saint Johnsbury Rd
Littleton, NH 03561-3442
Phone
(603) 444-9000
NPI assigned
Sep 17, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 078398-23 NH Primary

Addresses

Primary practice location

600 Saint Johnsbury Rd
Littleton, NH 03561-3442

Mailing address

600 Saint Johnsbury Rd
Littleton, NH 03561-3442

Other names 1

  • Alison Mackay Former name

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1789603200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1720990567",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 SAINT JOHNSBURY RD",
            "city": "LITTLETON",
            "state": "NH",
            "postal_code": "035613442"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 SAINT JOHNSBURY RD",
            "city": "LITTLETON",
            "state": "NH",
            "postal_code": "035613442",
            "telephone_number": "603-444-9000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOMISAREK",
        "first_name": "ALISON",
        "credential": "MSN, FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-17",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NH",
            "license": "078398-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALISON",
            "last_name": "MACKAY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Littleton, NH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.