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 17 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. Deborah Roman-Montes, COTA/LSierra Vista, AZ 856351700513462
  2. Brandi Romero, COTA/LQueen Creek, AZ 851421295594273
  3. Patrick RomeroTucson, AZ 857041194454595
  4. Suzanne Romo, COTA/LMesa, AZ 852011245967579
  5. Felicia RoperMesa, AZ 852131033664917
  6. Rafael RosalesPhoenix, AZ 850211568941268
  7. Lovona Rosario, COTAAvondale, AZ 853231518735638
  8. Sara RosePhoenix, AZ 850211801420856
  9. Jennifer Roselli, COTA/LMesa, AZ 852011912089459
  10. Sydney RosenquistSan Tan Valley, AZ 851401679210801
  11. Sonya Ross, COTA/LChandler, AZ 852241194680066
  12. Cassidy Rottino, COTA/LMesa, AZ 852101669952024
  13. Angelika Rubinova, COTAQueen Creek, AZ 851421134711161
  14. Jennifer RuizAvondale, AZ 853231922543578
  15. Edward Russell, COTALMesa, AZ 852061730599226
  16. Paula Ruta, COTA/LScottsdale, AZ 852501942486725
  17. Chloe RutledgeMesa, AZ 852011427742303
  18. Irene SaadehTucson, AZ 857101316256316
  19. Andrea SahagunMesa, AZ 852101265293799
  20. Jessica SainzMesa, AZ 852121689433187
  21. Michael SalazarGilbert, AZ 852961487877262
  22. Steve SalazarMesa, AZ 852011225249188
  23. Deserie Salgado, COTALake Havasu City, AZ 864041255151239
  24. Christine Sanchez, COTA/LMesa, AZ 852061649785239
  25. Kayla Sanchez, COTA/LFlorence, AZ 851321134551567
  26. Diana SandaTucson, AZ 857191548674120
  27. Anna-Lise SandersScottsdale, AZ 852571194150961
  28. Alleen SantanaPhoenix, AZ 850211033612023
  29. Caitlin SasinoskiMesa, AZ 852101396597175
  30. Charlotte Satterwaite, COTAScottsdale, AZ 852511457573032
  31. Maria SaxtonGoodyear, AZ 853381053796011
  32. Caitlin Scarlett, COTAPhoenix, AZ 850441497220115
  33. Tyana ScatenaPhoenix, AZ 850441871451625
  34. Sabrena Schaefer, COTA/LTucson, AZ 857421083060206
  35. Elizabeth Schaff, COTA/LHereford, AZ 856151508007022
  36. Jazmine Schellenberg, COTA/LQueen Creek, AZ 851401215812391
  37. Debora Schilling, COTA/LChandler, AZ 852491063955003
  38. Bethany Schmitt, COTA/LTucson, AZ 857561588364921
  39. Lori Schuetz, COTA/LChandler, AZ 852241427556851
  40. Kathy Schulte, COTATucson, AZ 857061649515503
  41. Kimberly SchultzLitchfield Park, AZ 853401104256502
  42. Vanessa Schumperli, COTAGlendale, AZ 853041356746473
  43. Karen ScullionGilbert, AZ 852971821517616
  44. Kimberly Searles, COTA/LLakeside, AZ 859291518491653
  45. Genita Seaton, COTAPhoenix, AZ 850441164992913
  46. Bettie SeguraYoungtown, AZ 853631699180059
  47. Kathryn SemaPhoenix, AZ 850211932631686
  48. Samantha Senick, COTATucson, AZ 857121790554756
  49. Lisa ShafferMesa, AZ 852061346617743
  50. Amber SharonPhoenix, AZ 850211700440542

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.