NPIMap

Individual provider Active NPI

Gillian M Croteau, P.A.

  • Medical Physician Assistant
  • Portland, ME
National Provider Identifier
1083028674
Registry record updated Mar 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
Practice address
91 Auburn St Ste W
Portland, ME 04103-6022
Phone
(207) 709-0939
Fax
(207) 514-8213
NPI assigned
Jun 11, 2014
Last updated
Mar 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X
Medical Physician Assistant 363AM0700X Primary

Addresses

Primary practice location

91 Auburn St Ste W
Portland, ME 04103-6022

Mailing address

91 Auburn St Ste W
Portland, ME 04103-6022
Phone (207) 709-0939

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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
I20140717000196 ME Practitioner - Physician Assistant 2264658897 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians
Pearcemd, P.a.Group PAC ID 9032654686, 5 clinicians

Practice addresses (Care Compare)

149 N St
Waterville, ME 04901
Phone (207) 872-1000

15 Enterprise Dr
Mainegeneral Express Care
Augusta, ME 04330-7997
Phone (207) 621-8880

211 Main St
Waterville, ME 04901-6117
Phone (207) 877-3400

74 Lunt Rd
Falmouth, ME 04105-1996
Phone (207) 709-0939

91 Auburn St
Suite U
Portland, ME 04103-6009
Phone (207) 709-0939

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.22 of 100Reported as group
Quality
75.39
Promoting interoperability
84
Improvement activities
40
Cost
75.32

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mainegeneral Medical Center CurrentSince Jun 19, 2023 Accepting new patients
Central Maine Medical Center CurrentSince Dec 1, 2016 Accepting new patients
Central Maine Medical Center CurrentSince Dec 1, 2016 Accepting new patients
Mainegeneral Medical Center CurrentSince Jun 19, 2023 Accepting new patients

Locations

12 High St
Ste 102
Lewiston, ME 04240
Phone (207) 783-2300

300 Main St
Lewiston, ME 04240
Phone (207) 795-2400

211 Main St
Waterville, ME 04901
Phone (207) 877-3400

149 North St
Waterville, ME 04901
Phone (207) 622-1959

Interoperability endpoints

  • Direct secure messaging: gilliancroteau@mgh.allscriptsdirect.net
  • FHIR API: https://fhir-myrecord.cerner.com/r4/4517c430-03bf-4e32-b324-1387cc4e73f3/

Organizations & group practices 6

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 36

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

View all 36

NPI Registry JSON

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

{
    "created_epoch": "1402444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1083028674",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "91 AUBURN ST STE W",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041036022",
            "telephone_number": "207-709-0939",
            "fax_number": "207-514-8213"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "91 AUBURN ST STE W",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041036022",
            "telephone_number": "207-709-0939",
            "fax_number": "207-514-8213"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROTEAU",
        "first_name": "GILLIAN",
        "middle_name": "M",
        "credential": "P.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-11",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.