NPPES file of Aug 9, 2026

Physical Therapy Assistant in California

3,554 NPPES records list physical therapy assistant with a practice address in California, 9 per 100,000 residents, the 48th highest rate of 51. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 47 of 72.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 225200000X · method

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

San Diego has the most, 210

  1. San Diego210
  2. Los Angeles157
  3. Fresno72
  4. Sacramento71
  5. Anaheim66

Physical Therapy Assistant records in California

  1. April O'NeilPalm Springs, CA 922641235308792
  2. Jennifer O'Toole, PTARocklin, CA 957651356083091
  3. Robert OakesSan Juan Capistrano, CA 926751346716354
  4. Nanami ObaSan Mateo, CA 944021871951434
  5. Stephen ObanaLoma Linda, CA 923541245770270
  6. Emmanuel OchoaSanger, CA 936571063260651
  7. Ethan OchoaSanta Ana, CA 927071528955507
  8. Kelsey Ochoa, PTASan Bernardino, CA 924081235874199
  9. Nicole Ochoa, PTABaldwin Park, CA 917061912606138
  10. Nicole OchoaWest Covina, CA 917911497486955
  11. Lori Ocker, PTALos Angeles, CA 900171902184401
  12. Christopher OconnorModesto, CA 953561013510395
  13. Michael Odell, PTARedding, CA 960021629604947
  14. Justin OgawaPomona, CA 917671144858275
  15. Richard OgePasadena, CA 911071568105310
  16. Matthew OgleBrawley, CA 922271306217435
  17. Karen Okabe, PTAAlpine, CA 919011568391936
  18. Gina Okerson, PTAClovis, CA 936111043868896
  19. Kiyoko Okuhama, PTAWatsonville, CA 950761699198226
  20. Bolarinwa OlaiyaGranada Hills, CA 913441710678149
  21. Jessica OlfertRedlands, CA 923741114407434
  22. Bryan Olivas, PTAChino, CA 917101972197309
  23. Allen Oliver, PTAModesto, CA 953551740696459
  24. Maria Olivo, P.T.A.Moreno Valley, CA 925551114382348
  25. Sarah Olson, PTASan Diego, CA 921101306159587
  26. Cesar Ong, PTANorth Hills, CA 913431578113643
  27. Milanie Onia, PTASacramento, CA 958311639325749
  28. Michael Oparka, PTASanta Monica, CA 904011982360152
  29. Minnie OraisConcord, CA 945211518637248
  30. Synnove OrdilloNorthridge, CA 913251902628316
  31. Daniel Ordinola, PTAStockton, CA 952071073482618
  32. Mario Ordonez-CalderonSan Diego, CA 921081063948628
  33. Madai Oregel, PTAEscondido, CA 920251164768420
  34. Abagail Orell-HernandezSan Ysidro, CA 921731053976860
  35. Janya Orfeyeva, PTASanta Ana, CA 927011699273094
  36. Lordelyn OrmsbyMontebello, CA 906401194603530
  37. Maria OrnelasChico, CA 959261801643804
  38. Abraham OrozcoLemon Grove, CA 919451932087699
  39. Deborah Hayden Orozco Guianan, PTASacramento, CA 958381932597192
  40. Eric OrpiaHuntington Park, CA 902551174344808
  41. Brittney Ortega, PTAApple Valley, CA 923071861388670
  42. Gabriella OrtegaMurrieta, CA 925621609692037
  43. Jose OrtegaAnaheim, CA 928061972211993
  44. Juan Ortega, PTASouth San Francisco, CA 940801457553539
  45. Claudia Ortega-LepeMontebello, CA 906401972215945
  46. Angelito OrtizMission Hills, CA 913451760005052
  47. Daniel Ortiz, PTAAnaheim, CA 928081497679716
  48. Jeffrey OrvilleSan Diego, CA 921231871962837
  49. Matthew OserYuba City, CA 959931679934855
  50. Curtis Ostaggi, PTALincoln, CA 956481639546138

Source: CMS NPPES, primary taxonomy 225200000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 48 of 51 per resident

  1. Alabama11
  2. Georgia10
  3. Hawaii10
  4. California9
  5. District of Columbia8
  6. Utah8
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 225200000X 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. California0.1%
  2. United States0.1%

Physical Therapy Assistant records in California, measured

  • In a Medicare file3 of 3,554 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file8 · 0.2% here, 0.2% nationally
  • Not updated in five years or more2,273 · 64.0% here, 73.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 225200000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,554 NPPES records list physical therapy assistant (225200000X) as their primary taxonomy with a practice address in California: 9 per 100,000 residents against 18 nationally (50 states and D.C.). San Diego has 210 of them (6%).

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. Pennsylvania3,048
  2. Ohio2,916
  3. Illinois2,683
  4. New York2,305

States with a similar rate per 100,000

  1. Hawaii9.5
  2. District of Columbia8.2
  3. Georgia10.2
  4. Utah7.8

The largest states

  1. Florida5,908
  2. Texas5,519
  3. Pennsylvania3,048
  4. Ohio2,916
  5. Illinois2,683

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.