Individual provider Active NPI

William Joseph Breen III, M.D.

  • Family Medicine Physician
  • Bangor, ME
National Provider Identifier
1801988449
Registry record updated May 28, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
O15905 Issued in ME
Practice address
915 Union St
Bangor, ME 04401-8602
Phone
(207) 973-8030
NPI assigned
Sep 29, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X O15905 ME Primary

Addresses

Primary practice location

915 Union St
Bangor, ME 04401-8602

Mailing address

915 Union Strret
Suite 4
Bangor, ME 04401
Phone (207) 973-8030

Other identifiers 1

IdentifierTypeStateIssuer
30000020099MedicaidME

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040804001644 ME Practitioner - Family Practice 2062483795 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
84.1 of 100Reported as group
Quality
64.8
Promoting interoperability
96
Improvement activities
40
Cost
68.87

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
O15905MEMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
State of Maine CurrentSince Jun 17, 2025 Accepting new patients
State of Maine Current Accepting new patients
Norumbega Medical Specialists, LTD Past Accepting new patients

Locations

109 Capitol St
#11
Augusta, ME 04330

656 State St
Bangor, ME 04401
Phone (207) 941-4000

Organizations & group practices 3

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": "1159488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1401235200000",
    "number": "1801988449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 UNION STRRET",
            "address_2": "SUITE 4",
            "city": "BANGOR",
            "state": "ME",
            "postal_code": "04401",
            "telephone_number": "207-973-8030"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 UNION ST",
            "city": "BANGOR",
            "state": "ME",
            "postal_code": "044018602",
            "telephone_number": "207-973-8030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BREEN",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-29",
        "last_updated": "2014-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "O15905",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30000020099",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bangor, ME

Sources for this page

Verify at the official NPI Registry.