Karen K. Swisher, MD
NPI 1528176955ActiveIndividual· Internal Medicine, Medical Oncology· Tulsa, OK
Internal Medicine, Medical Oncology (MD) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2004). In 2024 Medicare paid $1,948,973 for 721 patients, and Part D covered 1,300 of their prescriptions, 86% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $2,719 in all, mostly consulting fees.
Overview
| NPI | 1528176955 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 27, 2006 |
| Last updated in NPPES | Mar 11, 2026 |
| Certified by provider | Mar 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 24053 | OK |
| Internal Medicine | 207R00000X | 24053 | OK |
| Hospitalist | 208M00000X | 24053 | OK |
| Internal Medicine, Medical Oncology | 207RX0202X | 04-46501 | KS |
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 - Hematology/Oncology (KS); Practitioner - Medical Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 721 |
|---|---|
| Services billed | 125,572 across 211 procedure codes |
| Paid by Medicare | $1,948,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,300 · 1,543 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $1,585,561 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology, Internal Medicine |
Medical groups
- Salina Regional Health Center IncSalina, KS · 160 clinicians
- Oklahoma Cancer Specialists and Research Institute, LLCTulsa, OK · 47 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- Ascension St John SapulpaSapulpa, OK
- O U Medical CenterOklahoma City, OK
- Salina Regional Health CenterSalina, KS
- St John OwassoOwasso, OK
Industry payments (Open Payments)
- 2025$2,719 · 28 payments from 16 companies
- 2024$2,517 · 28 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $2,343 | 9 |
| Abbvie Inc. | $41.47 | 2 |
| Regeneron Healthcare Solutions, Inc. | $41.37 | 2 |
| Novartis Pharmaceuticals Corporation | $36.97 | 2 |
| Aveo Pharmaceuticals, Inc. | $35.79 | 1 |
What the 2025 payments were for
- Consulting Fee$1,925 · 1 payment
- Food and Beverage$793.75 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Tulsa
- 1083667737
- 1447385091
- 1497717037
- 1568770105