Gregory Warren Burt, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A55166 Issued in CA

Practice address

141 W Commercial St
Portland, ME 04102-3905

Phone

(207) 623-8411

Fax

(207) 621-4859

NPI assigned

Jul 26, 2007

Last updated

Apr 3, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

95.77 of 100Reported as apm

Quality

81.54

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: crmgburt@yourcarecommunity.org

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.

• S Pannu Inc

  • Internal Medicine Physician
  • Susanville, CA
  • NPI 1407987522
  NPD (past)

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

{
    "created_epoch": "1185408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1942490925",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "141 W COMMERCIAL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023905",
            "telephone_number": "207-623-8411",
            "fax_number": "207-621-4859"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "141 W COMMERCIAL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023905",
            "telephone_number": "207-623-8411",
            "fax_number": "207-621-4859"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BURT",
        "first_name": "GREGORY",
        "middle_name": "WARREN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-26",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A55166",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dawn Burley
• Hannah W Burley, MD
• Michael Joseph Burns, M.D.
• Patrick Burns
• John Buro, CADC
• Matija M Burtis, DO
• Danielle Burton
• Loren Bush, PSY.D.
• Jacob Joseph Buskirk, DO
• Sydney Ann Butalla, OD

• Internal Medicine Physician in Portland, ME
• Providers in Portland, ME by specialty
• Internal Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.