James A. Mack, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

8739 Issued in MT

Practice address

1045 N 30TH St
Billings, MT 59101-0733

Phone

(406) 238-2500

NPI assigned

Sep 6, 2006

Sex

Male

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 3

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

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

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmack@billingsclinic.cernerdirect.com

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.

• Billings Clinic

  • Endocrinology, Diabetes & Metabolism Physician
  • Billings, MT
  • NPI 1124310537
  NPD
• Billings Clinic

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1265478291
  NPD
• Billings Clinic

  • Emergency Care Clinic/Center
  • Billings, MT
  • NPI 1326104845
  NPD
• Billings Clinic

  • General Practice Physician
  • Billings, MT
  • NPI 1376598714

  Endocrinology, Diabetes & Metabolism

  NPD
• Frances Mahon Deaconess Hospital

  • Critical Access Hospital
  • Glasgow, MT
  • NPI 1689685323
  NPD (past)

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

{
    "created_epoch": "1157500800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1644451200000",
    "number": "1669575445",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35100",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591075100",
            "telephone_number": "406-238-2500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1045 N 30TH ST",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591010733",
            "telephone_number": "406-238-2500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACK",
        "first_name": "JAMES",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-06",
        "last_updated": "2022-02-10",
        "certification_date": "2022-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MT",
            "license": "8739",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS PIN",
            "identifier": "00000833",
            "state": "MT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MDCD PIN",
            "identifier": "114711100",
            "state": "WY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MDCD PIN",
            "identifier": "0019975",
            "state": "MT"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmack@billingsclinic.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "direct email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1045 N 30th St",
            "city": "Billings",
            "state": "MT",
            "country_code": "US",
            "postal_code": "591010733",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Heather Lytle
• Lindsay Lee Maccatherine, PA
• Jodee Macdonald Etchart, PA-C
• Andrea Grace Macdonald, NP
• Dustin Camille Machler, LAC LCPC CRC
• Mae Counseling Services
• Steven R. Maertens, M.D.
• Dixon Maggard
• Rachel Maggard
• Magic City Family Medicine Inc

• Endocrinology, Diabetes & Metabolism Physician in Billings, MT
• Providers in Billings, MT by specialty
• Endocrinology, Diabetes & Metabolism Physician in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2022; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.