Tyson Amundsen, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

14214304-1205 Issued in UT

Practice address

368 E Riverside Dr Ste a
St George, UT 84790-6897

Phone

(435) 673-1149

NPI assigned

May 15, 2019

Last updated

Jul 23, 2025By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in TN, UT2 enrollments

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 2

Specialty

Gastroenterology

Education

University of Arizona College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Utah Gastroenterology LLCGroup PAC ID 9830174150, 71 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St. George Regional Hospital Hospital, St George, UT, CCN 460021
• Intermountain Health Cedar City Hospital Hospital, Cedar City, UT, CCN 460007
• Mesa View Regional Hospital Hospital, Mesquite, NV, CCN 291307

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://4af267b3-0b17-4e37-b82c-3c19f9bce5de.gastro.prod.fhir.ema-api.com/fhir/r4/

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.

• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • Salt Lake City, UT
  • NPI 1871689562
  Medicare reassignment Care Compare group NPD
• Southeastern Physician Services PC

  • Hospitalist Physician
  • Oak Ridge, TN
  • NPI 1083835441

  Internal Medicine

  Medicare reassignment NPD
• Utah Gastroenterology

  • Gastroenterology Physician
  • Sandy, UT
  • NPI 1124837646
  NPD
• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • St George, UT
  • NPI 1255405957
  NPD
• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • Bountiful, UT
  • NPI 1457393761
  NPD
• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • Salt Lake City, UT
  • NPI 1972510717
  NPD (past)

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

• Ihc Health Services, Inc.

  dba Intermountain Health St. George Regional Hospital

  • General Acute Care Hospital
  • St George, UT
  • NPI 1366452880
  Care Compare affiliation
• Ihc Health Services, Inc.

  dba Intermountain Health Cedar City Hospital

  • General Acute Care Hospital
  • Cedar City, UT
  • NPI 1538178801
  Care Compare affiliation
• MMC of Nevada LLC

  dba Mesa View Regional Hospital

  • Critical Access Hospital
  • Mesquite, NV
  • NPI 1275588782
  Care Compare affiliation

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

{
    "created_epoch": "1557878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1013573054",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "368 E RIVERSIDE DR STE A",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847906897"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "368 E RIVERSIDE DR STE A",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847906897",
            "telephone_number": "435-673-1149"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 W Poplar Ave",
            "address_purpose": "LOCATION",
            "city": "Collierville",
            "state": "TN",
            "postal_code": "380170601",
            "country_code": "US",
            "telephone_number": "901-861-9000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AMUNDSEN",
        "first_name": "TYSON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-15",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "68349",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "UT",
            "license": "14214304-1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ames Eyecare, Inc.
• Derek Busenbark Ames, O.D.
• Amh Series II Ut, LLC (Ageless Men's Health)
• Kaylee Anne Amodt
• Amsurg St George Anesthesia, LLC
• Samuel Forsyth Andelin, MD
• Alivia Andersen
• Barbara Andersen
• Chad Andersen, NP
• Deanna Barbara Andersen

• Gastroenterology Physician in St George, UT
• Providers in St George, UT by specialty
• Gastroenterology Physician in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.