Trevor Zac Irvine, DO
NPI 1821658345ActiveIndividual· Family Medicine· Casper, WY
Family Medicine (DO) in Casper, Wyoming, trained at Lincoln Mem Univ, Debusk Col of Osteopathic Med (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $134,282 for 899 claims, against $794.08 paid for services in 2024. Indivior Inc. was the largest of 4 companies reporting payments in 2025, $128.42 in all, mostly food and beverage.
Overview
| NPI | 1821658345 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 17, 2019 |
| Last updated in NPPES | Jul 14, 2022 |
| Certified by provider | Jul 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 8331186-1204 | UT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 57 across 12 procedure codes |
| Paid by Medicare | $794.08 |
Part D prescriptions in 2024
| Prescriptions (claims) | 899 · 1,893 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $134,282 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Lincoln Mem Univ, Debusk Col of Osteopathic Med |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Family Practice |
Medical group
- Southwest Utah Community Health CenterSt George, UT · 29 clinicians
Hospital affiliation
- St. George Regional HospitalSt George, UT
Industry payments (Open Payments)
- 2025$128.42 · 6 payments from 4 companies
- 2024$199.21 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Indivior Inc. | $78.90 | 3 |
| Abbvie Inc. | $20.41 | 1 |
| Teva Pharmaceuticals USA, Inc. | $15.64 | 1 |
| Lilly USA, LLC | $13.47 | 1 |
What the 2025 payments were for
- Food and Beverage$128.42 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 94 family medicine physicians in Casper · All family medicine physicians in Wyoming