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 21 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. Bryan Webster, COTATempe, AZ 852831528271558
  2. Christina Wedemeier, COTA/LGilbert, AZ 852961477129724
  3. Mary Weeks, COTA/LMesa, AZ 852101811370356
  4. Dawn Weiler, COTA/LKingman, AZ 864011558134486
  5. Janet WeirCave Creek, AZ 853311598949059
  6. Michael Welker, COTAMesa, AZ 852081083994313
  7. Susan WellsGold Canyon, AZ 851181366817363
  8. Stephanie WentzelTucson, AZ 857041760643951
  9. Rodica Wesley, COTAPhoenix, AZ 850041295941052
  10. Melissa WestmanPhoenix, AZ 850211467995761
  11. Hiedi Whiting, COTAMesa, AZ 852011972371557
  12. Ashley WhitleyPhoenix, AZ 850481053801241
  13. Kelly WhittPhoenix, AZ 850851326590662
  14. John WiederandersScottsdale, AZ 852571316291305
  15. Tami WiesenhoferPhoenix, AZ 850211922526664
  16. Kim Wieser, COTAPhoenix, AZ 850211417267618
  17. Rini WiestPhoenix, AZ 850211932452976
  18. Gina Wilcken, COTA/LGilbert, AZ 852951265065452
  19. Amanda Wilcox, COTA/LPhoenix, AZ 850831376099507
  20. Laura WilcoxYuma, AZ 853651326901844
  21. Tasha Wiles, COTAChandler, AZ 852251245515212
  22. Travis WileyTucson, AZ 857151346676418
  23. Heather WilliamPhoenix, AZ 850211477101707
  24. Michelle WilliamsPhoenix, AZ 850211811310550
  25. Elizabeth Willis, COTA/LPhoenix, AZ 850201699274407
  26. Arra-Mela Wilson, COTA,Phoenix, AZ 850341720508005
  27. Jennifer Wilson, COTA/LGilbert, AZ 852961265830517
  28. Nicole Wilson, COTA/LPeoria, AZ 853821326544545
  29. Tawny Wilson, COTAPhoenix, AZ 850211710143425
  30. Kristin Windhorst, COTAMesa, AZ 852961871252346
  31. Mona Wolf, COTA/LShow Low, AZ 859011013222595
  32. Colleen Wollenberg, COTA/LScottsdale, AZ 852621386195733
  33. Joanne Wood, COTA/LPhoenix, AZ 850041831462209
  34. Jessica Woods, COTALitchfield Park, AZ 853401063670404
  35. Jordyn Woods, OTA/LTucson, AZ 857111407662497
  36. Sativea Wooten, COTA/LTucson, AZ 857161548610637
  37. Tammy Wright, COTAPhoenix, AZ 850531215233655
  38. Zalika WrightPhoenix, AZ 850211548738412
  39. Edna Yepez, COTA/LGilbert, AZ 852971134575657
  40. Stacy Yingling, COTA/LScottsdale, AZ 852661821346461
  41. Sam Yoo, COTA/LGilbert, AZ 852951093383853
  42. Katelyn Young, COTA/LMesa, AZ 852101689595670
  43. Katrina Young, COTA/LPeoria, AZ 853451730494725
  44. Ada ZahariaLitchfield Park, AZ 853401487091245
  45. Caroline Zakrocki, COTA/LMesa, AZ 852011457769416
  46. Fredaline Zeller, COTAYuma, AZ 853641598954133
  47. Aubresca Zimmer, COTA/LSurprise, AZ 853881629705470
  48. Madison Zlomie, COTA/LPhoenix, AZ 850211316564776

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.