James S. Irwin, M.D.
NPI 1023007465ActiveIndividual· Family Medicine· Jerome, ID
Family Medicine (M.D.) in Jerome, Idaho, trained at University of Utah School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $488,756 for 4,405 claims, against $1,072 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $73.29 in all, mostly food and beverage.
Overview
| NPI | 1023007465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2005 |
| Last updated in NPPES | Jan 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | M-4359 | ID |
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 - Family Practice (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 16 across 9 procedure codes |
| Paid by Medicare | $1,072 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,405 · 9,219 30-day fills |
|---|---|
| Patients | 342 |
| Total drug cost | $488,756 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Family Practice |
Medical group
- St Lukes Clinic LLCTwin Falls, ID · 316 clinicians
Hospital affiliations
- St Luke's JeromeJerome, ID
- St Lukes Magic Valley Medical CenterTwin Falls, ID
Other facilities
- Hospice VisionsHospice · Twin Falls, ID
Industry payments (Open Payments)
- 2025$73.29 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $59.20 | 2 |
| Lilly USA, LLC | $14.09 | 1 |
What the 2025 payments were for
- Food and Beverage$73.29 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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