NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Ohio

89 NPPES records list hematology (internal medicine) physician with a practice address in Ohio, 0.8 per 100,000 residents, the 7th highest rate of 48. Columbus and Cincinnati have the most; each record links to the provider's NPI and the Ohio license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Columbus has the most, 70

  1. Columbus70
  2. Cincinnati9
  3. Cleveland6
  4. Beavercreek1
  5. Lima1

Hematology (Internal Medicine) Physician records in Ohio

  1. Eric Kraut, M.D.Columbus, OH 432101780621433
  2. Karilyn Larkin, M.D.Columbus, OH 432101376861187
  3. Meixiao Long, MDColumbus, OH 432101407172232
  4. Kathryn Lurain, M.D.Columbus, OH 432101861756850
  5. Jaroslaw Maciejewski, MDCleveland, OH 441951831299908
  6. Kami Maddocks, MDColumbus, OH 432101689698284
  7. Leland Metheny, M.D.Cleveland, OH 441061336303817
  8. Alice Mims, M.D.Columbus, OH 432101699962084
  9. John Molina, M.D., EDMCleveland, OH 441951043622855
  10. Kathleen Oxner, M.D.Beavercreek, OH 454311649512138
  11. Joseph Palascak, M.D.Cincinnati, OH 452671205894151
  12. John Patton, MD, PHDColumbus, OH 432101922635929
  13. Sam Penza, MDColumbus, OH 432101356359640
  14. Melanie Rebechi, MDColumbus, OH 432101295362531
  15. John Reneau, MD, PHDColumbus, OH 432101437590163
  16. Kerry Rogers, MDColumbus, OH 432101659534246
  17. Ashley Rosko, MDColumbus, OH 432101235339805
  18. Ayman Saad, M.D.Columbus, OH 432101548470347
  19. Ronald Sacher, M.D.Cincinnati, OH 452191265490759
  20. Gabriela Sanchez Petitto, MDColumbus, OH 432101407239742
  21. Craig Sauter, MDCleveland, OH 441061447494612
  22. Yazeed Sawalha, M.DColumbus, OH 432101427497338
  23. Polina Shindiapina, M.D.Columbus, OH 432101629334149
  24. Audrey Sigmund, MDColumbus, OH 432101376937888
  25. Mary Smith, M.D.Toledo, OH 436141316932403
  26. Andrew Srisuwananukorn, MDColumbus, OH 432101033641345
  27. Mamie Thant, M.D.Cincinnati, OH 452191558705236
  28. Daniel Trotier, MDColumbus, OH 432101669960498
  29. Elvira Umyarova, MDColumbus, OH 432101285947507
  30. Sumithira Vasu, M.D.Columbus, OH 432101710159744
  31. Jennifer Vaughn, MDColumbus, OH 432031760632244
  32. Timothy Voorhees, M.D.Columbus, OH 432101467870675
  33. Sarah Wall, MDColumbus, OH 432101174815708
  34. Jiasheng Wang, MDColumbus, OH 432101275010787
  35. Tzu-Fei Wang, M.D.Columbus, OH 432101588806962
  36. Jennifer Woyach, MDColumbus, OH 432101851515035
  37. Mark Wurster, MDColumbus, OH 432101174580278
  38. Yiping Yang, M.D.Columbus, OH 432101063596989
  39. Zahida Yasin, M.D.Cincinnati, OH 452191750339958

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Ohio ranks 7 of 48 per resident

  1. Vermont0.9
  2. New York0.8
  3. Delaware0.8
  4. Ohio0.8
  5. Oregon0.7
  6. North Carolina0.7
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

92.1% of these records appear in a Medicare file, against 80.5% 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. Ohio92.1%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Ohio, measured

  • In a Medicare file82 of 89 · 92.1% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file77 · 86.5% here, 70.8% nationally
  • Not updated in five years or more20 · 22.5% here, 46.9% nationally
  • Median graduation year2009 · the 77 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

89 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Ohio: 0.8 per 100,000 residents against 0.4 nationally (50 states and D.C.). Columbus has 70 of them (79%).

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. Texas73
  2. North Carolina72
  3. Florida67
  4. Pennsylvania67

States with a similar rate per 100,000

  1. Oregon0.7
  2. New York0.8
  3. Connecticut0.6
  4. Michigan0.6

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Texas73

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.