Mark S. Claussen, MD
NPI 1447278171ActiveIndividual· Surgery· Bemidji, MN
Surgery (MD) in Bemidji, Minnesota, trained at University of Minnesota Medical School (class of 1989). 153 Medicare patients in 2024, $40,010 paid; nearly all of their 64 Part D prescriptions were generic (98%).
Overview
| NPI | 1447278171 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Mar 29, 2022 |
| Certified by provider | Mar 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 36995 | MN |
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 - General Surgery (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 340 across 67 procedure codes |
| Paid by Medicare | $40,010 |
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 81 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $1,135 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | General Surgery |
Medical group
- Sanford Health of Northern MinnesotaBemidji, MN · 343 clinicians
Hospital affiliation
- Sanford Bemidji Medical CenterBemidji, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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