Individual provider Active NPI

Barrett Grimnes, PA-C

  • Physician Assistant
  • Yarmouth, ME
National Provider Identifier
1457469447
Registry record updated Mar 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA884 Issued in ME
Practice address
259 Main St
Yarmouth, ME 04096-4703
Phone
(207) 846-9013
NPI assigned
Aug 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA884 ME Primary

Addresses

Primary practice location

259 Main St
Yarmouth, ME 04096-4703

Mailing address

100 Gannett Dr Ste C
South Portland, ME 04106-5900
Phone (207) 347-2947

Other identifiers 1

IdentifierTypeStateIssuer
1457469447MedicaidME

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060418000346 ME Practitioner - Physician Assistant 9638188782 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
University of New England, College of Osteo Medicine, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Intermed PAGroup PAC ID 5092605261, 185 clinicians

Practice addresses (Care Compare)

100 Foden Rd
South Portland, ME 04106-2327
Phone (207) 874-1489

100 Foden Rd W
Suite 100
South Portland, ME 04106-2327
Phone (207) 523-3900

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Aug 23, 2021 Accepting new patients
Mainehealth CurrentSince Aug 23, 2021 Accepting new patients
Intermed, PA CurrentSince Mar 13, 2023 Accepting new patients
Intermed, PA CurrentSince Mar 13, 2023 Accepting new patients
Vna Home Health & Hospice Past Accepting new patients

Locations

329 Maine St
Mere Point, ME 04011
Phone (207) 373-2250

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

100 Gannett Dr
Ste C
South Portland, ME 04106
Phone (207) 523-3649

100 Foden Rd
South Portland, ME 04106
Phone (207) 828-1122

100 Foden Rd
Ste W-100
South Portland, ME 04106
Phone (207) 523-3900

259 Main St
Yarmouth, ME 04096
Phone (207) 846-9013

Interoperability endpoints

  • Direct secure messaging: barrett.grimnes@int.eclinicaldirectplus.com

Organizations & group practices 7

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

NPI Registry JSON

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

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1457469447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GANNETT DR STE C",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041065900",
            "telephone_number": "207-347-2947"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "259 MAIN ST",
            "city": "YARMOUTH",
            "state": "ME",
            "postal_code": "040964703",
            "telephone_number": "207-846-9013"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIMNES",
        "first_name": "BARRETT",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-29",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "ME",
            "license": "PA884",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1457469447",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Yarmouth, ME

Sources for this page

Verify at the official NPI Registry.