NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Oklahoma

128 NPPES records list hematology & oncology physician with a practice address in Oklahoma, 3.2 per 100,000 residents, the 41st highest rate of 51. Oklahoma City and Tulsa have the most; each record links to the provider's NPI and the Oklahoma license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · method

Oklahoma City has the most, 67

Hematology & Oncology Physician records in Oklahoma

  1. Craig Reitz, M.D.Oklahoma City, OK 731201881635852
  2. Robert Reynolds, MDOklahoma City, OK 731201649275827
  3. Manal Robin-Hanna, M.D.Lawton, OK 735051295714939
  4. Caleb Scheckel, D.O.Tulsa, OK 741461447606348
  5. George Selby, MDOklahoma City, OK 731041679542963
  6. Charles Strnad, M.D.Tulsa, OK 741461205877974
  7. Charles Taylor, M.D.Tulsa, OK 741461003859679
  8. Arafat Tfayli, MDOklahoma City, OK 731041841269552
  9. Lara Theobald, MDOklahoma City, OK 731421376690271
  10. Chelsea Thomas, DOTulsa, OK 741041336406685
  11. Christopher Thompson, MDOklahoma City, OK 731201740321447
  12. Kristin Thorp, MDOklahoma City, OK 731041700927142
  13. Nishant Tiwari, M.D.Oklahoma City, OK 731041457926669
  14. Jennifer Trottman, MDTulsa, OK 741461457393696
  15. Susanna Ulahannan, M.D.Ponca City, OK 746011033369988
  16. Lakshmi Uppaluru, MDTulsa, OK 741461427476365
  17. Priyanka Vallabhaneni, MDOklahoma City, OK 731041104190032
  18. Lehi Vang, PA-CTulsa, OK 741371548075492
  19. Sonia Varghese, MDOklahoma City, OK 731201396065405
  20. Ravikumar Vasireddy, MDMuskogee, OK 744011043257413
  21. Venkata Vosuri, MDTulsa, OK 741461861603201
  22. Leslie Walker, MDTulsa, OK 741041275576118
  23. Mason Webb, MD, PHDOklahoma City, OK 731041306306600
  24. Maril Weber, MDNorman, OK 730711528000411
  25. Kevin Weibel, D.O.Tulsa, OK 741461104864016
  26. Irim Yasin, M.D.Oklahoma City, OK 731421699921734
  27. Unaiza Zaman, MDOklahoma City, OK 731041184286692
  28. Paul Zito, MBBSTulsa, OK 741461396155966

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Oklahoma ranks 41 of 51 per resident

  1. Kentucky3.4
  2. Arkansas3.4
  3. Oregon3.3
  4. Oklahoma3.2
  5. New Mexico3.0
  6. Texas3.0
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

89.8% of these records appear in a Medicare file, against 82.9% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Oklahoma89.8%
  2. United States82.9%

Hematology & Oncology Physician records in Oklahoma, measured

  • In a Medicare file115 of 128 · 89.8% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file97 · 75.8% here, 71.3% nationally
  • Not updated in five years or more83 · 64.8% here, 54.3% nationally
  • Median graduation year2004 · the 97 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

128 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Oklahoma: 3.2 per 100,000 residents against 4.2 nationally (50 states and D.C.). Oklahoma City has 67 of them (52%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Puerto Rico134
  2. Oregon138
  3. Kansas113
  4. Kentucky152

States with a similar rate per 100,000

  1. New Mexico3.0
  2. Texas3.0
  3. Delaware3.0
  4. Arkansas3.4

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Pennsylvania784

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.