Fredrick W. Weisensee, M.D.
NPI 1275579260ActiveIndividual· Internal Medicine· Corvallis, OR
Internal Medicine (M.D.) in Corvallis, Oregon, trained at Oregon Health Sciences University School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $945,707 for 9,535 claims, against $56,743 paid for services in 2024. Novo Nordisk Inc reported $18.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1275579260 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Nov 6, 2020 |
| Certified by provider | Nov 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD15287 | OR |
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 - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 1,239 across 18 procedure codes |
| Paid by Medicare | $56,743 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,535 · 19,865 30-day fills |
|---|---|
| Patients | 621 |
| Total drug cost | $945,707 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Good Samaritan Hospital CorvallisCorvallis, OR · 380 clinicians
Hospital affiliations
- Good Samaritan Regional Medical CenterCorvallis, OR
- Samaritan Albany General HospitalAlbany, OR
- Samaritan Lebanon Community HospitalLebanon, OR
- Samaritan Pacific Community HospitalNewport, OR
Other facilities
- Amedisys Home Health CareHome health agency · Salem, OR
- Mission Home Health of SalemHome health agency · Albany, OR
Industry payments (Open Payments)
- 2025$18.54 · 1 payment from 1 company
- 2024$131.28 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $18.54 | 1 |
What the 2025 payments were for
- Food and Beverage$18.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Corvallis
- 1003158700
- 1164006201
- 1225590136
- 1285192500
- 1326086950
- 1386120129
- 1467955401
- 1578026621
- 1619918034
- 1629463237
- 1629481452
- 1659355899
All 135 internal medicine physicians in Corvallis · All internal medicine physicians in Oregon