Eric Everitt Stone, MD
NPI 1669511689ActiveIndividual· Internal Medicine, Gastroenterology· Missoula, MT
Internal Medicine, Gastroenterology (MD) in Missoula, Montana, trained at Indiana University School of Medicine (class of 2001). In 2024 Medicare paid $263,981 for 616 patients, and Part D covered 908 of their prescriptions, 81% of them generic. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $123.32 in all, mostly food and beverage.
Overview
| NPI | 1669511689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| 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 | 35780 | 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 | 616 |
|---|---|
| Services billed | 13,042 across 67 procedure codes |
| Paid by Medicare | $263,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 908 · 1,163 30-day fills |
|---|---|
| Patients | 487 |
| Total drug cost | $339,825 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
Medical group
- Montana Gastroenterology, PLLCMissoula, MT · 23 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- Clark Fork Valley HospitalPlains, MT
- Community Medical CenterMissoula, MT
- St James HospitalButte, MT
- St. Patrick HospitalMissoula, MT
Industry payments (Open Payments)
- 2025$123.32 · 6 payments from 3 companies
- 2024$159.16 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $54.69 | 2 |
| Abbvie Inc. | $37.09 | 2 |
| Celltrion USA Inc. | $31.54 | 2 |
What the 2025 payments were for
- Food and Beverage$123.32 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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