NPPES file of Aug 9, 2026

Allergy & Immunology Physician in Ohio

132 NPPES records list allergy & immunology physician with a practice address in Ohio, 1.1 per 100,000 residents, the 22nd highest rate of 51. Cincinnati and Cleveland have the most; each record links to the provider's NPI and the Ohio license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207K00000X · method

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

Cincinnati has the most, 26

  1. Cincinnati26
  2. Cleveland17
  3. Columbus17
  4. Dublin7
  5. Toledo6

Allergy & Immunology Physician records in Ohio

  1. Matthew Robson, MDCincinnati, OH 452291457810731
  2. Kristina Roth, MDColumbus, OH 432121902303753
  3. Kathryn Ruda Wessell, D.O.Cleveland Heights, OH 441181922329820
  4. Grace Ryu, MDColumbus, OH 432351215907480
  5. Remie Saab, MDMentor, OH 440601144803156
  6. Ghassan Safadi, M.D.Toledo, OH 436171003813205
  7. Lisa Sammon, DOAkron, OH 443081710244173
  8. John Seyerle, MDCincinnati, OH 452461871566026
  9. Ruchi Shah, MDCleveland, OH 441951033538699
  10. Summit Shah, M.D.Dublin, OH 430161871702613
  11. Suresh Sharoff, M.D.Dublin, OH 430161801859939
  12. Roxana Siles, M.D.Cleveland, OH 441951255518767
  13. Harcharan SinghCenterville, OH 454581861484800
  14. Maria Slack, M.D.Findlay, OH 458401831325661
  15. Neena Sodhi, M. D.Cincinnati, OH 452461558351957
  16. Robert Struble, MDMansfield, OH 449071285737841
  17. Ahila Subramanian, M.D., M.P.H.Cleveland, OH 441951447456413
  18. Sherlyana Surja, M.D.Toledo, OH 436141972890028
  19. Steven Sutton, MDCincinnati, OH 452421649249269
  20. Rachel Szekely, M.D.Mentor, OH 440601548237431
  21. David Tapke, MD, MPHCincinnati, OH 452551033523253
  22. Haig Tcheurekdjian, M.D.Mayfield Heights, OH 441241992724843
  23. Dylan Timberlake, MDAkron, OH 443021730574328
  24. Adam Updegraff, DOToledo, OH 436141255561767
  25. Marta Vielhaber, M.D.Cleveland Heights, OH 441181538264510
  26. Nancy Wasserbauer Kingston, DORocky River, OH 441161922022524
  27. Katherine Weller, M.D.Strongsville, OH 441361609238369
  28. Erik White, M.D.Akron, OH 443081598743619
  29. Shan Shan Wu, DOMayfield Heights, OH 441241538541503
  30. Jennifer Yonkof, MDMaumee, OH 435371639565401
  31. Dawn Zacharias, MDWestlake, OH 441451609853183
  32. Simin ZhangCincinnati, OH 452191881041119

Source: CMS NPPES, primary taxonomy 207K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Ohio ranks 22 of 51 per resident

  1. Arizona1.2
  2. Washington1.2
  3. California1.1
  4. Ohio1.1
  5. Rhode Island1.1
  6. Alaska1.1
  7. 50 states and D.C.1.2

Source: CMS NPPES, primary taxonomy 207K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.3% of these records appear in a Medicare file, against 80.0% 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. Ohio83.3%
  2. United States80.0%

Allergy & Immunology Physician records in Ohio, measured

  • In a Medicare file110 of 132 · 83.3% here, 80.0% nationally
  • In the CMS Doctors and Clinicians file93 · 70.5% here, 65.7% nationally
  • Not updated in five years or more72 · 54.5% here, 57.3% nationally
  • Median graduation year2006 · the 93 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

132 NPPES records list allergy & immunology physician (207K00000X) as their primary taxonomy with a practice address in Ohio: 1.1 per 100,000 residents against 1.2 nationally (50 states and D.C.). Cincinnati has 26 of them (20%).

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. New Jersey132
  2. Virginia136
  3. Michigan137
  4. Massachusetts121

States with a similar rate per 100,000

  1. California1.1
  2. Rhode Island1.1
  3. Washington1.2
  4. Texas1.1

The largest states

  1. California444
  2. Texas327
  3. New York311
  4. Florida204
  5. Pennsylvania183

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.