Tyson Amundsen, MD
NPI 1013573054ActiveIndividual· Internal Medicine, Gastroenterology· St George, UT
Internal Medicine, Gastroenterology (MD) in St George, Utah, trained at University of Arizona College of Medicine (class of 2019). Mostly services rather than prescriptions: Medicare paid $16,697 for 161 patients in 2024, with only 40 Part D claims. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $831.94 in all, mostly food and beverage.
Overview
| NPI | 1013573054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2019 |
| Last updated in NPPES | Jul 23, 2025 |
| Certified by provider | Jul 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 14214304-1205 | UT |
| Internal Medicine | 207R00000X | 68349 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 167 across 7 procedure codes |
| Paid by Medicare | $16,697 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 48 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $3,457 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Gastroenterology |
Medical group
- Utah Gastroenterology LLCSt George, UT · 69 clinicians
Hospital affiliations
- Intermountain Health Cedar City HospitalCedar City, UT
- St. George Regional HospitalSt George, UT
Industry payments (Open Payments)
- 2025$831.94 · 38 payments from 13 companies
- 2024$139.29 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $199.13 | 9 |
| Abbvie Inc. | $182.34 | 6 |
| Takeda Pharmaceuticals U.S.A., Inc. | $168.10 | 9 |
| Phathom Pharmaceuticals, Inc. | $57.11 | 2 |
| Genzyme Corporation | $42.54 | 2 |
What the 2025 payments were for
- Food and Beverage$746.95 · 37 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in St George
- 1679865182
- 1255405957
- 1629081260
- 1730684432
- 1538396411
- 1942496757
- 1407081524
- 1538671383
- 1275982464
- 1992066799
- 1780174557
- 1215966296