William Jason Cook, M.D.
NPI 1578583423ActiveIndividual· Urology· Tulsa, OK
Urology (M.D.) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,069,633 for 1,463 claims, against $408,518 paid for services in 2024. Telix Pharmaceuticals was the largest of 16 companies reporting payments in 2025, $1,098 in all, mostly food and beverage.
Overview
| NPI | 1578583423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Jul 5, 2022 |
| Certified by provider | Jul 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 21504 | 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 - Urology (AR); Practitioner - Urology (MO); Practitioner - Urology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 914 |
|---|---|
| Services billed | 16,074 across 124 procedure codes |
| Paid by Medicare | $408,518 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,463 · 2,498 30-day fills |
|---|---|
| Patients | 381 |
| Total drug cost | $1,069,633 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Urology |
Medical group
- Urologic Specialists of Oklahoma IncTulsa, OK · 47 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Oklahoma Surgical Hospital, LLCTulsa, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
Industry payments (Open Payments)
- 2025$1,098 · 38 payments from 16 companies
- 2024$793.04 · 35 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Telix Pharmaceuticals | $208.58 | 3 |
| Janssen Biotech, Inc. | $145.62 | 6 |
| Pfizer Inc. | $136.44 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $88.11 | 3 |
| Sumitomo Pharma America, Inc. | $78.93 | 3 |
What the 2025 payments were for
- Food and Beverage$1,098 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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