NPIMap

Individual provider Active NPI

James Hamilton Williams, MD

  • Emergency Medicine Physician
  • Farmington, ME
National Provider Identifier
1518491307
Registry record updated Apr 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD28199 Issued in ME
Practice address
111 Franklin Health CMNS
Farmington, ME 04938-6144
Phone
(207) 778-6031
Fax
(207) 779-2632
NPI assigned
Apr 18, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A157561 CA
Emergency Medicine Physician 207P00000X M-2316 GU
Emergency Medicine Physician 207P00000X MD28199 ME Primary

Addresses

Primary practice location

111 Franklin Health CMNS
Farmington, ME 04938-6144

Mailing address

111 Franklin Health CMNS
Farmington, ME 04938-6144
Phone (207) 778-6031

Other practice location 1

133 Route 3
Dededo, GU 96929-6911
Phone (671) 645-5546

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GU, ME2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20221229001042 GU Practitioner - Emergency Medicine 9638597131 Reassigns benefits to 1 organization
I20250929001426 ME Practitioner - Emergency Medicine 9638597131 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

133 Route 3
Dededo, GU 96929-6911
Phone (671) 645-5500

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.22 of 100Reported as group
Quality
78.84
Improvement activities
40
Cost
61.61

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A157561CAMDEmergency Medicine Physician
M-2316GUMDEmergency Medicine Physician
MD28199MEMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth Current Accepting new patients
Mainehealth CurrentSince Oct 27, 2025 Accepting new patients
Mainehealth Current Accepting new patients
Mainehealth CurrentSince Oct 27, 2025 Accepting new patients
Guam Healthcare Development Incorporated CurrentSince Oct 25, 2022 Accepting new patients
Mainehealth Past Accepting new patients

Locations

133 Route 3
Dededo, GU 96929
Phone (671) 645-5500

111 Franklin Health Cmns
Farmington, ME 04938
Phone (207) 778-3326

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

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 and National Provider Directory roles.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1492473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1518491307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 FRANKLIN HEALTH CMNS",
            "city": "FARMINGTON",
            "state": "ME",
            "postal_code": "049386144",
            "telephone_number": "207-778-6031",
            "fax_number": "207-779-2632"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 FRANKLIN HEALTH CMNS",
            "city": "FARMINGTON",
            "state": "ME",
            "postal_code": "049386144",
            "telephone_number": "207-778-6031",
            "fax_number": "207-779-2632"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "133 Route 3",
            "address_purpose": "LOCATION",
            "city": "Dededo",
            "state": "GU",
            "postal_code": "969296911",
            "country_code": "US",
            "telephone_number": "671-645-5546",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JAMES",
        "middle_name": "HAMILTON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-18",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A157561",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "GU",
            "license": "M-2316",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "MD28199",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Farmington, ME

Sources for this page

Verify at the official NPI Registry.