Individual provider Active NPI

Carolyn Balcom Holbrook

  • Social Worker
  • Portland, ME
National Provider Identifier
1851336788
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
LC2568 Issued in ME
Practice address
205 Ocean Ave
Portland, ME 04103-5742
Phone
(207) 775-1335
NPI assigned
Jun 17, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X LC2568 ME Primary

Addresses

Primary practice location

205 Ocean Ave
Portland, ME 04103-5742

Mailing address

205 Ocean Ave
Portland, ME 04103-5742
Phone (207) 775-1335

Other identifiers 1

IdentifierTypeStateIssuer
048028OtherMEBC/BS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LC2568MEMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1150502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1851336788",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "205 OCEAN AVE",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041035742",
            "telephone_number": "207-775-1335"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "205 OCEAN AVE",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041035742",
            "telephone_number": "207-775-1335"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLBROOK",
        "first_name": "CAROLYN",
        "middle_name": "BALCOM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "ME",
            "license": "LC2568",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS",
            "identifier": "048028",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.