Karsten J. Rohlfs, MD
NPI 1902251051ActiveIndividual· Family Medicine· Gainesville, FL
Family Medicine (MD) in Gainesville, Florida, trained at Sanford School of Medicine of University of South Dakota (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $692,843 for 9,509 claims, against $17,264 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $137.41 in all, mostly food and beverage.
Overview
| NPI | 1902251051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2016 |
| Last updated in NPPES | Aug 10, 2026 |
| Certified by provider | Aug 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | ME182373 | FL |
| Family Medicine | 207Q00000X | 11617 | SD |
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 - Family Practice (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 321 across 18 procedure codes |
| Paid by Medicare | $17,264 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,509 · 11,772 30-day fills |
|---|---|
| Patients | 381 |
| Total drug cost | $692,843 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Family Practice |
Hospital affiliations
- Hawarden Regional HealthcareHawarden, IA
- Sanford Canton-Inwood Medical Center - CahCanton, SD
- Sanford Usd Medical CenterSioux Falls, SD
Other facilities
- Sanford Home HealthHome health agency · Sioux Falls, SD
- Aseracare HospiceHospice · Sioux Falls, SD
- Sanford HospiceHospice · Sioux Falls, SD
- Alcester Care and Rehab Center, IncNursing home · Alcester, SD
- Bethesda of BeresfordNursing home · Beresford, SD
- Good Samaritan Society CantonNursing home · Canton, SD
Industry payments (Open Payments)
- 2025$137.41 · 8 payments from 6 companies
- 2024$52.03 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $51.13 | 3 |
| Novo Nordisk Inc | $20.09 | 1 |
| Amgen Inc. | $17.87 | 1 |
| Lilly USA, LLC | $17.16 | 1 |
| Abbott Laboratories | $16.68 | 1 |
What the 2025 payments were for
- Food and Beverage$137.41 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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