NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Ohio

2,421 NPPES records list occupational therapy assistant with a practice address in Ohio, 21 per 100,000 residents, the 5th highest rate of 51. North Canton and Cincinnati have the most; each record links to the provider's NPI and the Ohio license search. Page 17 of 49.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 224Z00000X · method

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

North Canton has the most, 427

  1. North Canton427
  2. Cincinnati107
  3. Columbus64
  4. Canton52
  5. Dayton50

Occupational Therapy Assistant records in Ohio

  1. Molly Guzik, COTA/L, CDPEnglewood, OH 453221861091761
  2. Ashley Haas, COTA/LNorth Canton, OH 447201033571625
  3. Bethany Haas, COTAGreenville, OH 453311922300359
  4. Christine Hacker, COTA/LBellevue, OH 448111902431216
  5. Ralph HacklerNorth Canton, OH 447201972706984
  6. Brittany HackworthWellston, OH 456921790192755
  7. Tracey HaddixMiddletown, OH 450421346161809
  8. Victoria HadleyMiddletown, OH 450421437861796
  9. Theresa Hadsell, COTA/LBucyrus, OH 448201265081228
  10. April HafnerChillicothe, OH 456011275399156
  11. Julie Hager, COTA/LEast Liverpool, OH 439201275893083
  12. Dana HaighWadsworth, OH 442811265169007
  13. Chelsi Haines, COTA/LNorth Canton, OH 447201942671367
  14. Elizabeth HainesWarsaw, OH 438441386892495
  15. Nicole HainesHilliard, OH 430261891275186
  16. Jeana HaislopOak Hill, OH 456561851799969
  17. Cher Hakin, COTAYoungstown, OH 445141467179606
  18. Leslie Halbisen, COTA/LFostoria, OH 448301407495047
  19. Beth HaleReynoldsburg, OH 430681578987525
  20. Katie Halenar, COTALColumbus, OH 432201194907840
  21. Adam HallMineral Ridge, OH 444401588246854
  22. Aimee Hall, COTA/LTallmadge, OH 442781790024099
  23. Lisa Hall, OTAHarrison, OH 450301972733152
  24. Tanya Hall, COTA/LKansas, OH 448411386068815
  25. Lori Haller, COTAWestlake, OH 441451326757238
  26. Lisa Haller-Bent, COTA/LDayton, OH 454591144038167
  27. Melissa Halverstadt, COTA/LBoardman, OH 445121962778795
  28. Amanda Hambel, COTA/LNew Lexington, OH 437641619215498
  29. Kylie HambelNewark, OH 430551659253045
  30. Stacey Hambel, COTASaint Clairsville, OH 439501588088751
  31. Heather Hamilton, COTAColumbus, OH 432071639298144
  32. Mindy Hamilton, COTA/LNorth Canton, OH 447201386142388
  33. Theresa Hamlet, OTA/LMaumee, OH 435371184326100
  34. Amy Hammock, COTACanton, OH 447181356639215
  35. Jamie Hammond, COTA/LColumbus, OH 432151386230969
  36. Mary HammondLancaster, OH 431301770248973
  37. Cortnie Hampshire, COTA/LNorth Canton, OH 447201366847048
  38. Margeret HandelNorth Canton, OH 447201073770780
  39. Alexis HanicqPaulding, OH 458791053635672
  40. Lorraine Hanigan, COTA/LWadsworth, OH 442811033429774
  41. Erica Hanley, COTA/LMansfield, OH 449031881025195
  42. Lori Hanlin, COTA/LMingo Jct, OH 439381740626407
  43. Randall HannaColumbia Station, OH 440281588354682
  44. Angela HannahNew Carlisle, OH 453441871439075
  45. Erik Hansel, COTANorth Canton, OH 447201992985758
  46. Karen Hanson, COTA/LDayton, OH 454491730310111
  47. Lisa Harasimchuk, COTA/LAvon Lake, OH 440121427472323
  48. Christina Harber, COTA/LRavenna, OH 442661497233266
  49. Sarah Harbut, COTA/LDayton, OH 454151194189175
  50. Heidi HardbargerHeath, OH 430561508789561

Source: CMS NPPES, primary taxonomy 224Z00000X: records by practice city and the list of records, file of Aug 9, 2026.

Ohio ranks 5 of 51 per resident

  1. Wisconsin25
  2. Oklahoma23
  3. Delaware23
  4. Ohio21
  5. Kansas20
  6. West Virginia20
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 224Z00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

under 0.1% of these records appear in a Medicare file, against 0.1% 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. Ohio0.0%
  2. United States0.1%

Occupational Therapy Assistant records in Ohio, measured

  • In a Medicare file1 of 2,421 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file1 · under 0.1% here, 0.1% nationally
  • Not updated in five years or more1,815 · 75.0% here, 72.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 224Z00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,421 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Ohio: 21 per 100,000 residents against 12 nationally (50 states and D.C.). North Canton has 427 of them (18%).

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. Pennsylvania2,155
  2. New York2,732
  3. California1,869
  4. Illinois1,498

States with a similar rate per 100,000

  1. Kansas20.0
  2. West Virginia19.7
  3. New Hampshire18.9
  4. Maine18.6

The largest states

  1. Texas4,278
  2. Florida3,825
  3. New York2,732
  4. Pennsylvania2,155
  5. California1,869

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.