David John Olek Jr., M.D.
NPI 1821431370ActiveIndividual· Radiology, Radiation Oncology· Oklahoma City, OK
Radiology, Radiation Oncology (M.D.) in Oklahoma City, Oklahoma, trained at New York Medical College (class of 2013). In 2024 Medicare paid $303,732 for 554 patients, and Part D covered 340 of their prescriptions, 76% of them generic. Genmab U.S., Inc. was the largest of 6 companies reporting payments in 2025, $197.52 in all, mostly food and beverage.
Overview
| NPI | 1821431370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2013 |
| Last updated in NPPES | Aug 2, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 33859 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 554 |
|---|---|
| Services billed | 4,983 across 33 procedure codes |
| Paid by Medicare | $303,732 |
Part D prescriptions in 2024
| Prescriptions (claims) | 340 · 478 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $8,449 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Radiation Oncology |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Mercy Hospital AdaAda, OK
- Mercy Hospital Ardmore, IncArdmore, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Oklahoma Heart Hospital, LLCOklahoma City, OK
Industry payments (Open Payments)
- 2025$197.52 · 9 payments from 6 companies
- 2024$166.01 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genmab U.S., Inc. | $64.71 | 3 |
| Novartis Pharmaceuticals Corporation | $48.26 | 2 |
| Progenics Pharmaceuticals, Inc. | $24.19 | 1 |
| Novocure Inc. | $21.19 | 1 |
| Siemens Medical Solutions USA, Inc. | $20.72 | 1 |
What the 2025 payments were for
- Food and Beverage$197.52 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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