NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Arizona

1,048 NPPES records list occupational therapy assistant with a practice address in Arizona, 14 per 100,000 residents, the 18th highest rate of 51. Phoenix and Tucson have the most; each record links to the provider's NPI and the Arizona license search. Page 14 of 21.

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).

Phoenix has the most, 284

  1. Phoenix284
  2. Tucson122
  3. Mesa112
  4. Gilbert79
  5. Scottsdale52

Occupational Therapy Assistant records in Arizona

  1. Hannah Mueller, COTA/LApache Junction, AZ 851201659732931
  2. Sara MullinsPhoenix, AZ 850371932843364
  3. Justine Muntz, COTA/LMesa, AZ 852031689121105
  4. Lisa Murphy, COTALTucson, AZ 857051538356860
  5. Dusty Muscato, COTAPhoenix, AZ 850211720304736
  6. Sarah Musgrave, COTA/LKingman, AZ 864011164762233
  7. Alexis NakayamaGilbert, AZ 852971003779950
  8. Laurie Nash, COTAPhoenix, AZ 850211588961767
  9. Daniela NasherTempe, AZ 852821497121495
  10. Priscilla NavarroPhoenix, AZ 850211780174755
  11. Alvaro Navarro JrTucson, AZ 857061851849103
  12. Betty Naylor, COTA/LSedona, AZ 863511104101534
  13. Elyse NaylorLitchfield Park, AZ 853401538598685
  14. Andrian NealGilbert, AZ 852951942582978
  15. Jason NeedhamGlendale, AZ 853081598353260
  16. Alexandra Nelson, COTAScottsdale, AZ 852541720524127
  17. Andrew NelsonMesa, AZ 852011548130040
  18. Julie Nelson, COTAPhoenix, AZ 850541487633681
  19. Tina Nelson, COTASahuarita, AZ 856291366574014
  20. Shonta NesbitTempe, AZ 852821700372505
  21. Tanya NezTempe, AZ 852821629447115
  22. Terry NguyenPhoenix, AZ 850141437647781
  23. Erica NicholsChandler, AZ 852241104206952
  24. Stephanie NiebesPhoenix, AZ 850211316501489
  25. Jamie NoblePhoenix, AZ 850161073957460
  26. Sandra NoblesPhoenix, AZ 850211265835151
  27. Taihler NoltePhoenix, AZ 850421720781446
  28. Angela Nord, COTA/LMesa, AZ 852051437684768
  29. Margery Nothnagel, COTA/LLitchfield Park, AZ 853401396019162
  30. Pamela NovyWinslow, AZ 860471164760690
  31. Dawn Nuccio, COTA/LScottsdale, AZ 852551578931127
  32. Carol Nutter, COTA/LScottsdale, AZ 852571699170746
  33. Diana Nyren, COTAMesa, AZ 852011487709952
  34. Starlyn O'NeillTucson, AZ 857041528291523
  35. Meagan OberaignerGlendale, AZ 853081932714474
  36. Anne OdhiamboScottsdale, AZ 852571285060384
  37. Frank OlajeTucson, AZ 857111295845162
  38. Patrick Olivas, COTA/LLitchfield Park, AZ 853401326938929
  39. April Olmos, COTATaylor, AZ 859391194963942
  40. Lena OlofsonPhoenix, AZ 850201710458765
  41. Lindsay OlreeFountain Hills, AZ 852681639768955
  42. Kari Olson, COTA/LTucson, AZ 857411245605922
  43. Kimberly Olson, COTA/LSun City, AZ 853511083904288
  44. Leah Olson, COTATucson, AZ 857061619376431
  45. Megan Olson, COTA/LSun City West, AZ 853751396153714
  46. Danielle Olsson, COTATucson, AZ 857161649047192
  47. Morgan Onken, COTA/LChino Valley, AZ 863231205684727
  48. Victor OrnelasPhoenix, AZ 850121679832455
  49. Emma Orr, COTAPhoenix, AZ 850441992245500
  50. Jordan Ortiz, COTAChandler, AZ 852491992294326

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

Arizona ranks 18 of 51 per resident

  1. Kentucky16
  2. New Mexico15
  3. Tennessee14
  4. Arizona14
  5. Texas14
  6. New York14
  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.

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. Arizona0.1%
  2. United States0.1%

Occupational Therapy Assistant records in Arizona, measured

  • In a Medicare file1 of 1,048 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file2 · 0.2% here, 0.1% nationally
  • Not updated in five years or more769 · 73.4% 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

1,048 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Arizona: 14 per 100,000 residents against 12 nationally (50 states and D.C.). Phoenix has 284 of them (27%).

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. Arkansas1,060
  2. Missouri1,063
  3. Virginia1,086
  4. Tennessee1,009

States with a similar rate per 100,000

  1. Texas14.0
  2. New York14.0
  3. South Carolina13.8
  4. North Dakota13.8

The largest states

  1. Texas4,278
  2. Florida3,825
  3. New York2,732
  4. Ohio2,421
  5. Pennsylvania2,155

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.