Paul David Zito, MBBS
NPI 1396155966ActiveIndividual· Internal Medicine, Hematology & Oncology· Tulsa, OK
Internal Medicine, Hematology & Oncology (MBBS) with Oklahoma Cancer Specialists and Research Institute, LLC, practicing in Tulsa, Oklahoma. In 2024 Medicare paid $3,413,986 for 997 patients, and Part D covered 2,374 of their prescriptions, 82% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $948.22 in all, mostly food and beverage. Lists Ascension St John Jane Phillips and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1396155966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS |
| Sole proprietor | Yes |
| NPI issued | May 5, 2014 |
| Last updated in NPPES | Dec 23, 2025 |
| Certified by provider | Dec 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 38114 | OK |
| Internal Medicine | 207R00000X | 309958 | LA |
| Internal Medicine | 207R00000X | R3253 | TX |
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 (OK); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 997 |
|---|---|
| Services billed | 200,019 across 233 procedure codes |
| Paid by Medicare | $3,413,986 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,374 · 3,469 30-day fills |
|---|---|
| Patients | 351 |
| Total drug cost | $4,259,721 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Oklahoma Cancer Specialists and Research Institute, LLCTulsa, OK · 47 clinicians
Hospital affiliations
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Hillcrest Medical CenterTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$948.22 · 28 payments from 8 companies
- 2024$829.25 · 30 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $254.00 | 3 |
| Pfizer Inc. | $205.88 | 17 |
| Daiichi Sankyo Inc. | $142.46 | 1 |
| Caris Mpi, Inc. | $140.77 | 2 |
| Tempus Ai, Inc | $119.38 | 1 |
What the 2025 payments were for
- Food and Beverage$761.61 · 12 payments
- Education$186.61 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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