Steve Flinkenstein, D.O.
NPI 1821209255ActiveIndividual· Internal Medicine, Rheumatology· Bemidji, MN
Internal Medicine, Rheumatology (D.O.) with Sanford Health of Northern Minnesota, practicing in Bemidji, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $78,592 for 146 claims, against $13,746 paid for services in 2024. Janssen Biotech, Inc. was the largest of 11 companies reporting payments in 2025, $687.14 in all, mostly food and beverage. Lists Essentia Health St Joseph's Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821209255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 25, 2007 |
| Last updated in NPPES | May 15, 2026 |
| Certified by provider | May 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | OS18600 | FL |
| Internal Medicine, Rheumatology | 207RR0500X | 57210 | MN |
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 - Rheumatology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 215 across 12 procedure codes |
| Paid by Medicare | $13,746 |
Part D prescriptions in 2024
| Prescriptions (claims) | 146 · 232 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $78,592 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical group
- Sanford Health of Northern MinnesotaBemidji, MN · 343 clinicians
Hospital affiliations
- Essentia Health St Joseph's Medical CenterBrainerd, MN
- Hendricks Regional HealthDanville, IN
- Sanford Bemidji Medical CenterBemidji, MN
Industry payments (Open Payments)
- 2025$687.14 · 45 payments from 11 companies
- 2024$556.64 · 26 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $193.24 | 6 |
| Pfizer Inc. | $161.22 | 19 |
| Amgen Inc. | $111.61 | 8 |
| Novartis Pharmaceuticals Corporation | $59.38 | 3 |
| Alexion Pharmaceuticals, Inc. | $42.68 | 2 |
What the 2025 payments were for
- Food and Beverage$543.16 · 43 payments
- Education$143.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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