Nathaniel John Madsen, M.D.

Primary specialty

Interventional Cardiology PhysicianTaxonomy code 207RI0011X

License

18143 Issued in MT

Practice address

937 Highland Blvd Ste 5510
Bozeman, MT 59715-6916

Phone

(406) 414-3959

NPI assigned

Jan 16, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MT

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

Specialty

Interventional CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine

Education

Loyola University of Chicago, Stritch School of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bozeman Health Deaconess HospitalGroup PAC ID 4688984164, 309 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bozeman Health Deaconess Hospital Hospital, Bozeman, MT, CCN 270057
• Madison Valley Medical Center Hospital, Ennis, MT, CCN 271329
• Billings Clinic Hospital Hospital, Billings, MT, CCN 270004

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Bozeman Health Deaconess Hospital

  • Family Medicine Physician
  • Bozeman, MT
  • NPI 1619347390
  Medicare reassignment Care Compare group NPD
• Belgrade Clinic PLLP

  • Family Medicine Physician
  • Belgrade, MT
  • NPI 1447280912
  NPD
• Bozeman Health Deaconess Hospital

  • Durable Medical Equipment & Medical Supplies
  • Bozeman, MT
  • NPI 1013733955
  NPD
• Bozeman Health Deaconess Hospital

  • Emergency Medicine Physician
  • Bozeman, MT
  • NPI 1437529112
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Billings Cinic

  • General Acute Care Hospital
  • Bozeman, MT
  • NPI 1215660840
  Care Compare affiliation
• Billings Clinic

  • Orthopaedic Surgery Physician
  • Billings, MT
  • NPI 1003953589

  Hospital

  Care Compare affiliation
• Billings Clinic

  • Family Medicine Physician
  • Billings, MT
  • NPI 1033164447

  Hospital

  Care Compare affiliation
• Billings Clinic

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

  Hospital

  Care Compare affiliation
• Billings Clinic

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1265478291
  Care Compare affiliation
• Billings Clinic

  • Internal Medicine Physician
  • Bozeman, MT
  • NPI 1265648455

  Hospital

  Care Compare affiliation
• Billings Clinic

  • General Practice Physician
  • Billings, MT
  • NPI 1376598714

  Hospital

  Care Compare affiliation
• Billings Clinic

  • Internal Medicine Physician
  • Billings, MT
  • NPI 1871548289

  Hospital

  Care Compare affiliation
• Bozeman Health Deaconess Hospital

  • General Acute Care Hospital
  • Bozeman, MT
  • NPI 1104295864
  Care Compare affiliation
• Madison Valley Hospital Inc

  • Critical Access Hospital
  • Ennis, MT
  • NPI 1740223882
  Care Compare affiliation

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

{
    "created_epoch": "1168905600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1609927607",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 HIGHLAND BLVD",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156902",
            "telephone_number": "406-414-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "937 HIGHLAND BLVD STE 5510",
            "city": "BOZEMAN",
            "state": "MT",
            "postal_code": "597156916",
            "telephone_number": "406-414-3959"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADSEN",
        "first_name": "NATHANIEL",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-16",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MT",
            "license": "MED-PHYS-LIC-18143",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MT",
            "license": "18143",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1609927607",
            "state": "MT"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nmadsen7291075@direct.sanfordhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "937 Highland Blvd Ste 5510",
            "city": "Bozeman",
            "state": "MT",
            "country_code": "US",
            "postal_code": "597156916",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Amy Colleen Madden Kinney, DDS
• Nicole Madden, RN
• Madison Brown Counseling PLLC
• Alicja Madloch
• Benjamin John Madsen, PA-C
• Maggie Gordy Counseling
• Anne Magill-Collins, P.A.
• Rachael Maher, LCPC
• Sarah Gene Mahoney, PA
• Main Street Health Partners, P.C.

• Interventional Cardiology Physician in Bozeman, MT
• Providers in Bozeman, MT by specialty
• Interventional Cardiology Physician in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.