NPPES file of Aug 9, 2026

Physician Assistant in Massachusetts

4,713 NPPES records list physician assistant with a practice address in Massachusetts, 67 per 100,000 residents, the 12th highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 77 of 95.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363A00000X · method

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

Boston has the most, 1,660

  1. Boston1,660
  2. Worcester425
  3. Springfield172
  4. Burlington154
  5. Cambridge99

Physician Assistant records in Massachusetts

  1. Brendan Ryan, PA-CRaynham, MA 027671396152187
  2. Jocelyn Ryan, PA-CBoston, MA 021181407302920
  3. Kaelly Ryan, PA-CSpringfield, MA 011091811558943
  4. Kevin Ryan, PABrockton, MA 023011548769524
  5. Mark Ryan, PA-CNorthampton, MA 010601568020626
  6. Paige RyanBoston, MA 021151518708973
  7. Jessica SaadBoston, MA 021151518899111
  8. Jennifer Saari, PAWest Springfield, MA 010891538191119
  9. Jonathan SachariahWorcester, MA 016041821658840
  10. Catherine Sadowski, PA-CBoston, MA 021181477525418
  11. Heather Sagan, P.A.Worcester, MA 016041801193370
  12. Alexandra Saganich, PA-SBoston, MA 021151649064916
  13. Shannon Sage, PAWorcester, MA 016551649676396
  14. Emily SahlbergBoston, MA 021201790331999
  15. Divya Sahore, PA-CBoston, MA 021111427681113
  16. Taylor Saimeri, PA-CSpringfield, MA 011071023485133
  17. Emmanuel Saintfleur, PAChestnut Hill, MA 024671700926615
  18. Joseph Salamone, PABurlington, MA 018051679624068
  19. Susan Salander, P.A.C.Leominster, MA 014531487624748
  20. Mari Krisel Salazar, PA-CMilton, MA 021861770944779
  21. Leya SalisBoston, MA 022151083530083
  22. Lisa Salisbury, PASpringfield, MA 011071033546643
  23. Scot Sallaway, P.A.Mansfield, MA 020481194730523
  24. Megan Salm, P.A.Boston, MA 021141871610022
  25. Luciann Saloio, PA-CChicopee, MA 010201275935298
  26. Marie SalomonWorcester, MA 016081497611263
  27. Sabrina Salomon, PA-CWorcester, MA 016551235263450
  28. Alanna Salomone, PA-CBrockton, MA 023011558878579
  29. Donald Salva, PA-CSpringfield, MA 011071992718142
  30. Jennifer Samale, PACSpringfield, MA 011071154391597
  31. Amanda Samarasinghe, PA-CBoston, MA 021141669841805
  32. Hannah Sambataro, PA-CBrighton, MA 021351659896355
  33. Mary Samborski, PA-CBoston, MA 021151518058965
  34. Christina SampsonisChelsea, MA 021501396871992
  35. Lisa Samson, PA-CBoston, MA 021151093810517
  36. Stephanie San Giovanni, PAYarmouth Port, MA 026751568039949
  37. Kimi San Miguel Diaz, MS, PA-CPeabody, MA 019601114632510
  38. Jason Sanchez, PA-CBoston, MA 021141669984704
  39. Neha SandeepBoston, MA 021181992363519
  40. Lynne Sandell-Somes, PA-CSouth Easton, MA 023751710900972
  41. Joseph Sansone, PA-CBoston, MA 021111699958751
  42. Melissa Sansone, PABoston, MA 022151912147059
  43. Regina Santana, PA-CSpringfield, MA 011031740898204
  44. Ellice SantangeloBoston, MA 021151043048408
  45. Ilianna SantangeloBoston, MA 021151083547350
  46. Hailey Santarpio, PA-CTaunton, MA 027801083278485
  47. Emily Santis, PHYSICIAN ASSISTANTWorcester, MA 016081962394809
  48. Robyn Santo, PA-CBoston, MA 021151235007956
  49. Dawn Santos, PASwansea, MA 027771083682223
  50. Jamie SantosBoston, MA 021141568713113

Source: CMS NPPES, primary taxonomy 363A00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 12 of 51 per resident

  1. Nebraska68
  2. New Hampshire68
  3. Delaware67
  4. Massachusetts67
  5. West Virginia65
  6. Colorado64
  7. 50 states and D.C.49

Source: CMS NPPES, primary taxonomy 363A00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.6% of these records appear in a Medicare file, against 77.9% 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. Massachusetts77.6%
  2. United States77.9%

Physician Assistant records in Massachusetts, measured

  • In a Medicare file3,659 of 4,713 · 77.6% here, 77.9% nationally
  • In the CMS Doctors and Clinicians file3,220 · 68.3% here, 62.6% nationally
  • Not updated in five years or more1,780 · 37.8% here, 39.3% nationally
  • Median graduation year2019 · the 3,217 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363A00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,713 NPPES records list physician assistant (363A00000X) as their primary taxonomy with a practice address in Massachusetts: 67 per 100,000 residents against 49 nationally (50 states and D.C.). Boston has 1,660 of them (35%).

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. Georgia4,662
  2. Illinois4,926
  3. Virginia4,408
  4. Ohio5,325

States with a similar rate per 100,000

  1. Delaware67.4
  2. New Hampshire67.5
  3. Nebraska68.3
  4. Michigan69.6

The largest states

  1. New York15,555
  2. California14,451
  3. Texas10,999
  4. Florida10,257
  5. North Carolina9,279

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.