Casey J. Kolendich, M.D.
NPI 1669511606ActiveIndividual· Internal Medicine, Gastroenterology· Missoula, MT
Internal Medicine, Gastroenterology (M.D.) in Missoula, Montana, trained at University of Washington School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $445,832 for 854 claims, against $240,833 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $236.44 in all, mostly food and beverage.
Overview
| NPI | 1669511606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 6, 2007 |
| Last updated in NPPES | Oct 7, 2024 |
| Certified by provider | Oct 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 11522 | MT |
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 - Gastroenterology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 722 |
|---|---|
| Services billed | 7,281 across 47 procedure codes |
| Paid by Medicare | $240,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 854 · 1,070 30-day fills |
|---|---|
| Patients | 613 |
| Total drug cost | $445,832 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
Medical group
- Montana Gastroenterology, PLLCMissoula, MT · 23 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- Community Hospital of AnacondaAnaconda, MT
- Community Medical CenterMissoula, MT
- Deer Lodge Medical CenterDeer Lodge, MT
- St. Patrick HospitalMissoula, MT
Industry payments (Open Payments)
- 2025$236.44 · 11 payments from 9 companies
- 2024$144.77 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $87.80 | 3 |
| Regeneron Healthcare Solutions, Inc. | $23.74 | 1 |
| Madrigal Pharmaceuticals | $21.09 | 1 |
| Abbvie Inc. | $19.93 | 1 |
| Lilly USA, LLC | $18.73 | 1 |
What the 2025 payments were for
- Food and Beverage$236.44 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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