NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Pennsylvania

2,155 NPPES records list occupational therapy assistant with a practice address in Pennsylvania, 17 per 100,000 residents, the 12th highest rate of 51. Pittsburgh and Plymouth Meeting have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 9 of 44.

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).

Pittsburgh has the most, 133

  1. Pittsburgh133
  2. Plymouth Meeting109
  3. Philadelphia88
  4. York42
  5. Chambersburg40

Occupational Therapy Assistant records in Pennsylvania

  1. Diann Daugherty, COTA/LLancaster, PA 176011144556473
  2. Ammie Davidheiser, COTA/LFountain Hill, PA 180151245592740
  3. Coral DavisAliquippa, PA 150011821974106
  4. Iesha DavisOakmont, PA 151391710736327
  5. Jennifer Davis, COTA/LButler, PA 160021073840286
  6. Melanie DavisPlymouth Meeting, PA 194621538460373
  7. Stephanie DavisHuntingdon, PA 166521114182805
  8. Irina DavydaPittsburgh, PA 152431184478075
  9. Cheryl DealWaynesboro, PA 172681073131991
  10. Emily DeaverRoyersford, PA 194681689564270
  11. Nina DebiasioUpper St Clair, PA 152411487347126
  12. Star DecellesPlymouth Meeting, PA 194621780847491
  13. Lori DeckPhiladelphia, PA 191111831506104
  14. Lesley Decker, COTA/LPittsburgh, PA 152371962995852
  15. Leslie Decker, COTAMc Murray, PA 153171831341254
  16. Christine DefrancescoIvyland, PA 189741326583303
  17. Jessica Delong, COTA LBethlehem, PA 180181215190871
  18. Jennifer DemetroLock Haven, PA 177451912829409
  19. Brett DemiNew Oxford, PA 173501811479892
  20. Christie Deneen, OTALancaster, PA 176011932470069
  21. Amber DennisNorristown, PA 194011780338525
  22. Christine Deoud, COTAPhiladelphia, PA 191161497286579
  23. Katherine Deppen, BS, OTA/LPhiladelphia, PA 191461255038428
  24. Celine DerienzoLeesport, PA 195331548673353
  25. Janice Dernulc, COTAPlymouth Meeting, PA 194621184825515
  26. Suzanne Desanto, COTAPlymouth Meeting, PA 194621801195185
  27. Katherine Detar, COTAIrwin, PA 156421235351156
  28. Taylor DevlinYork, PA 174021528817350
  29. Christine Devore-CraddockWynnewood, PA 190961790244374
  30. Cynthia DexheimerPlymouth Meeting, PA 194621679725691
  31. Ethan DiamondLanghorne, PA 190471912758707
  32. Nicholas Dibello, COTA/LBerwyn, PA 193121669390639
  33. Madison Dickinson, COTA/LKittanning, PA 162011679325666
  34. Erica DicksonCoraopolis, PA 151081700348521
  35. Marcenia Dickson, COTAPlymouth Meeting, PA 194621356667034
  36. Bobbi DiehlNewville, PA 172411104429646
  37. Katherine Diehl, COTA/LKennett Square, PA 193481235450487
  38. Haylee Dietrich, COTA/LNew Oxford, PA 173501013410620
  39. Ella Difinizio, COTA/LHazleton, PA 182011952284846
  40. Elizabeth Digan, COTA/LWilliamsport, PA 177011053904300
  41. Jessica DiiennoGlenolden, PA 190361063952588
  42. Samantha DillardPittsburgh, PA 152431730577222
  43. Andrea Dineen, COTA/LPittsburgh, PA 152271740429653
  44. Joseph Dioso, COTALafayette Hill, PA 194441124591953
  45. Danielle DizebbaExton, PA 193411306408547
  46. Susan DloughyConway, PA 150271598070195
  47. Loretta DodsonPlymouth Meeting, PA 194621053550244
  48. Marianne Dodson, COTA/LAltoona, PA 166021922185651
  49. Elizabeth DolanCranberry Twp, PA 160661023371580
  50. Melissa Dollarton, COTA/LBridgeport, PA 194051770883019

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

Pennsylvania ranks 12 of 51 per resident

  1. Maine19
  2. Missouri17
  3. Florida17
  4. Pennsylvania17
  5. Indiana16
  6. Rhode Island16
  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.

0.0% 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. Pennsylvania0.0%
  2. United States0.1%

Occupational Therapy Assistant records in Pennsylvania, measured

  • In a Medicare file0 of 2,155 · 0.0% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file1 · under 0.1% here, 0.1% nationally
  • Not updated in five years or more1,720 · 79.8% 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

2,155 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Pennsylvania: 17 per 100,000 residents against 12 nationally (50 states and D.C.). Pittsburgh has 133 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. Ohio2,421
  2. California1,869
  3. New York2,732
  4. Illinois1,498

States with a similar rate per 100,000

  1. Florida16.9
  2. Missouri17.2
  3. Indiana15.9
  4. Rhode Island15.8

The largest states

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