Colin B. Fitterer, MD
NPI 1538424684ActiveIndividual· Internal Medicine· Billings, MT
Internal Medicine (MD) in Billings, Montana, trained at University of North Dakota School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $891,057 for 9,773 claims, against $67,474 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $18.85 in payments in 2025, mostly education.
Overview
| NPI | 1538424684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2012 |
| Last updated in NPPES | Jul 23, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 41891 | MT |
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 - Internal Medicine (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 435 |
|---|---|
| Services billed | 2,043 across 39 procedure codes |
| Paid by Medicare | $67,474 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,773 · 20,216 30-day fills |
|---|---|
| Patients | 687 |
| Total drug cost | $891,057 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Scl Health Medical Group - Billings LLCBillings, MT · 297 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Cody Regional HealthCody, WY
- Holy Rosary HospitalMiles City, MT
- Intermountain Health St Vincent Regional HospitalBillings, MT
- Rosebud Health Care CenterForsyth, MT
Other facilities
- St John's United Home HealthHome health agency · Billings, MT
- Stillwater HospiceHospice · Billings, MT
Industry payments (Open Payments)
- 2025$18.85 · 1 payment from 1 company
- 2024$17.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.85 | 1 |
What the 2025 payments were for
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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