Carl Ray Dettwiler, MD
NPI 1285623819ActiveIndividual· Specialist· Lewiston, ID
Specialist (MD) in Lewiston, Idaho, trained at Loma Linda University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $560,846 for 1,555 claims, against $125,981 paid for services in 2024. Janssen Biotech, Inc. reported $123.52 in payments in 2025, mostly education.
Overview
| NPI | 1285623819 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 17, 2005 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | M5110 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (ID); Practitioner - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 636 |
|---|---|
| Services billed | 1,938 across 38 procedure codes |
| Paid by Medicare | $125,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,555 · 2,005 30-day fills |
|---|---|
| Patients | 459 |
| Total drug cost | $560,846 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Gastroenterology |
Medical group
- Clearwater GastroenterologyClarkston, WA · 2 clinicians
Hospital affiliations
- Clearwater Valley Hospital & ClinicsOrofino, ID
- Gritman Medical CenterMoscow, ID
- St Joseph Regional Medical CenterLewiston, ID
- Syringa General HospitalGrangeville, ID
- Tri-State Memorial HospitalClarkston, WA
Industry payments (Open Payments)
- 2025$123.52 · 2 payments from 1 company
- 2024$259.54 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $123.52 | 2 |
What the 2025 payments were for
- Education$99.99 · 1 payment
- Food and Beverage$23.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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