Angela Kay Gainan, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

18323 Issued in MT

Practice address

100 N 27TH St Ste 510
Billings, MT 59101-2054

Phone

(406) 694-9856

NPI assigned

May 4, 2018

Last updated

May 30, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• South Central Montana Regional Mental Health Center

  • Clinic/Center
  • Billings, MT
  • NPI 1891781787
  Medicare reassignment NPD
• Orchid Clinical Support Services

  • Clinical Social Worker
  • Billings, MT
  • NPI 1154013563
  NPD

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

{
    "created_epoch": "1525392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748563200000",
    "number": "1295224376",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N 27TH ST STE 510",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591012054",
            "telephone_number": "406-694-9856"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N 27TH ST STE 510",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591012054",
            "telephone_number": "406-694-9856"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAINAN",
        "first_name": "ANGELA",
        "middle_name": "KAY",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-04",
        "last_updated": "2025-05-30",
        "certification_date": "2025-05-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MT",
            "license": "18323",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1891781787",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gadc PLLC
• Clifford Davis Gaddy, MD
• Mary D. Gaddy, MD
• Brittany Gage, RDN
• Reid Merrill Gage, PA
• David Y Gaitonde, MD
• Heather I Gale, MD
• James Galea, DDS MSD
• Mary Bridget Galka, DO, MPH
• Daniel L. Gall, MD

• Clinical Social Worker in Billings, MT
• Providers in Billings, MT by specialty
• Clinical Social Worker in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 30, 2025; 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.