Corwin D. Friesen, MD
NPI 1558470799ActiveIndividual· Obstetrics & Gynecology· Lincoln, NE
Obstetrics & Gynecology (MD) in Lincoln, Nebraska, trained at University of Nebraska College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $12,059 for 95 claims, against $2,383 paid for services in 2024. Astellas Pharma US Inc was the largest of 4 companies reporting payments in 2025, $157.85 in all, mostly food and beverage.
Overview
| NPI | 1558470799 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 18521 | NE |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 28 across 12 procedure codes |
| Paid by Medicare | $2,383 |
Part D prescriptions in 2024
| Prescriptions (claims) | 95 · 177 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $12,059 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliation
- Bryan Medical CenterLincoln, NE
Industry payments (Open Payments)
- 2025$157.85 · 6 payments from 4 companies
- 2024$273.36 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $94.09 | 3 |
| Octapharma USA, Inc. | $33.55 | 1 |
| Hologic Sales and Service, LLC | $15.39 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $14.82 | 1 |
What the 2025 payments were for
- Food and Beverage$157.85 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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