Jennifer Lynn O'Stasik, M.D.
NPI 1447385091ActiveIndividual· Internal Medicine, Medical Oncology· Tulsa, OK
Internal Medicine, Medical Oncology (M.D.) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $2,333,231 for 1,007 claims, against $42,666 paid for services in 2024. Janssen Biotech, Inc. was the largest of 29 companies reporting payments in 2025, $1,946 in all, mostly food and beverage.
Overview
| NPI | 1447385091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 23, 2007 |
| Last updated in NPPES | Jan 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 24940 | OK |
| Internal Medicine | 207R00000X | 24940 | OK |
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 - Medical Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 529 across 9 procedure codes |
| Paid by Medicare | $42,666 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,007 · 1,496 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $2,333,231 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Ou Health Partners IncOklahoma City, OK · 1,184 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Hillcrest Hospital ClaremoreClaremore, OK
- Hillcrest Hospital SouthTulsa, OK
- Hillcrest Medical CenterTulsa, OK
- O U Medical CenterOklahoma City, OK
Industry payments (Open Payments)
- 2025$1,946 · 99 payments from 29 companies
- 2024$427.84 · 21 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $371.84 | 18 |
| Pfizer Inc. | $219.34 | 17 |
| Novartis Pharmaceuticals Corporation | $213.32 | 9 |
| Astrazeneca Pharmaceuticals LP | $156.89 | 8 |
| Daiichi Sankyo Inc. | $119.01 | 5 |
What the 2025 payments were for
- Food and Beverage$1,836 · 88 payments
- Education$109.57 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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