Jeffrey S Cummins, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LCS 19449 Issued in CA

Practice address

409 Wyoming Ave
Billings, MT 59101-1743

Phone

(406) 259-8633

Fax

(406) 254-0091

NPI assigned

Sep 26, 2005

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 2

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, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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
  NPD (past)

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

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1386630275",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3538 LYNN AVE",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591024340",
            "telephone_number": "406-652-2158",
            "fax_number": "406-652-2158"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "409 WYOMING AVE",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591011743",
            "telephone_number": "406-259-8633",
            "fax_number": "406-254-0091"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CUMMINS",
        "first_name": "JEFFREY",
        "middle_name": "S",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-26",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MT",
            "license": "700LCSW",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCS 19449",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "71345",
            "state": "MT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0503914",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Linda Crummett, ACSW,LCSW
• Martha Lorena Cruz, DO
• Crystal Clean and Caring
• Crystal Skies Counseling, LLC.
• Erin Culp
• Benjamin W Cunningham, DPT
• Marji Cunningham, APRN
• Brittany Curl
• Robert Currence, O.D.
• Barbara A. Curry, 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 Sep 11, 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.