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 27 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. Valerie Madison, COTA/LNorth Canton, OH 447201114162039
  2. Dorene Madrzykowski, COTAToledo, OH 436081518165075
  3. Mary MadzyFairlawn, OH 443331568821734
  4. Mary Maestas, COTACoshocton, OH 438121053512905
  5. Claudia Magyari, COTAMentor, OH 440601295342269
  6. Chloe Mahar, COTAElyria, OH 440351295670503
  7. Misty Mahon, OTABoardman, OH 445121265708010
  8. Brianna MaidenColumbus, OH 432091427819911
  9. Joyce MalavazosLebanon, OH 450361366862674
  10. Sandra Malgieri, COTANorth Canton, OH 447201326289448
  11. Kacie Malmsberry, COTA/L,Youngstown, OH 445121578987947
  12. Tiffany Malone, OTA/LMonclova, OH 435421346947165
  13. Olivia Maloney, COTA/LAkron, OH 443061841562642
  14. Jennifer Manders, COTAHelena, OH 434351457219735
  15. Emily MannTipp City, OH 453711457197790
  16. Stephen Mann, COTA/LCuyahoga Falls, OH 442231861030520
  17. Rebecca ManningCenterville, OH 454581174233811
  18. Suzanne MantuanoCincinnati, OH 452271851075113
  19. Denise Marchal, COTA/LNorth Canton, OH 447201831543420
  20. Derek Marion, COTAMassillon, OH 446461578148987
  21. Mitchell Markley, COTA/LNorth Canton, OH 447201992339337
  22. Joyce Marks, C.O.T.A.Berea, OH 440171831214402
  23. Kayla Markus, COTA/LWilmington, OH 451771396219994
  24. James Marlowe, COTA/LNorth Canton, OH 447201699027094
  25. Katrina Marmaduke, COTA/LNorth Canton, OH 447201548527294
  26. Stephanie Marsh, COTALNorth Canton, OH 447201710188404
  27. Emily Marshal, COTA/LVersailles, OH 453801770137283
  28. Cheryl Marshall, COTA/LSpringfield, OH 455041346670858
  29. Mikka Marshall, COTA/LWalbridge, OH 434651770151805
  30. Alyssa Marsteller, COTA/LNorwood, OH 452121609325471
  31. Brittany Martin, COTA/LLoveland, OH 451401164142337
  32. Chloe MartinNewark, OH 430551134880933
  33. Dawn Martin, COTA/LCincinnati, OH 452271730735739
  34. Kimberly Martin, COTAMaumee, OH 435371205954419
  35. Lisa Martin, COTA/LNorth Canton, OH 447201023531464
  36. Mallory Martin, COTA/LNorth Canton, OH 447201811783467
  37. Stephanie Martin, COTA/LNorth Canton, OH 447201225539802
  38. Tonya Martin, COTA/LSpringfield, OH 455031508384314
  39. Teylor Martindale, COTA/LNorth Canton, OH 447201649676719
  40. Ardella Martinez, COTA/LNorth Canton, OH 447201982021762
  41. Sarah Martinez, COTA/LCincinnati, OH 452451902387335
  42. Michael Masello, COTA/LNorth Canton, OH 447201285067199
  43. Maggie Mason, COTA/LTroy, OH 453731023417631
  44. Amanda Massie, COTA/LWellston, OH 456921770823247
  45. Mandy Massie, COTAOrrville, OH 446671114502515
  46. Twila Mast, COTA/LPickerington, OH 431471114174430
  47. Randy MatlockColumbus, OH 432141316355373
  48. Alisha Matt, COTA/LBroadview Heights, OH 441471093248072
  49. Leslie Matthews, COTA/LMt Gilead, OH 433381285956243
  50. Marcella MattoxSolon, OH 441391023609187

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.