NPIMap

Individual provider Active NPI

Isabelle Antonia Unger, DNP, ARNP, FNP-C

  • Family Nurse Practitioner
  • Burlington, VT
National Provider Identifier
1427832724
Registry record updated Sep 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
101.0137169 Issued in VT
Practice address
111 Colchester Ave
Burlington, VT 05401-1473
Phone
(802) 847-8400
NPI assigned
Aug 21, 2023
Last updated
Sep 19, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 19, 2025

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 101.0137169 VT Primary

Addresses

Primary practice location

111 Colchester Ave
Burlington, VT 05401-1473

Mailing address

111 Colchester Ave
Burlington, VT 05401-1473

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VT
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240921000031 VT Practitioner - Nurse Practitioner 7810438504 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

111 Colchester Ave
Burlington, VT 05401-1473
Phone (802) 847-0000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
101.0137169VTMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of Vermont Medical Center Inc CurrentSince Aug 16, 2024 Accepting new patients

Locations

1 S Prospect St
Burlington, VT 05401
Phone (802) 847-4531

111 Colchester Ave
Burlington, VT 05401
Phone (802) 656-2415

Interoperability endpoints

  • Direct secure messaging: iunger587228@direct.uvmhealth.org

Organizations & group practices 1

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.

Hospital & facility affiliations 19

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1692576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758240000000",
    "number": "1427832724",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 COLCHESTER AVE",
            "city": "BURLINGTON",
            "state": "VT",
            "postal_code": "054011473"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 COLCHESTER AVE",
            "city": "BURLINGTON",
            "state": "VT",
            "postal_code": "054011473",
            "telephone_number": "802-847-8400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UNGER",
        "first_name": "ISABELLE",
        "middle_name": "ANTONIA",
        "name_prefix": "Ms.",
        "credential": "DNP, ARNP, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-21",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VT",
            "license": "101.0137169",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Burlington, VT

Sources for this page

Verify at the official NPI Registry.