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 56 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. Christina McCarthy, P.A.Milford, MA 017571942322284
  2. Collin McCarthy, PA-CCambridge, MA 021381962786103
  3. Conor McCarthy, PA-CBoston, MA 021151346027059
  4. Emmalie McCarthy, PA-CBoston, MA 021151285206243
  5. Jessica McCarthy, PA-CBoston, MA 022151699177436
  6. Kenneth McCarthy, PA-CBoston, MA 021141477126738
  7. Kristina McCarthy, PAFranklin, MA 020381144493206
  8. Michael McCarthy, PASomerville, MA 021441477828382
  9. Neil McCarthy, PA-CMelrose, MA 021761962053926
  10. Sean McCarthy, PA-CBoston, MA 021141255963740
  11. Kathryn McCartney, PA-CBoston, MA 022151134964612
  12. Mana McClain, PA-CSwampscott, MA 019071104418854
  13. Rebecca McClelland, PA-C, ATCBoston, MA 021141457519597
  14. Rachael McClure, PA-CBoston, MA 021151699340158
  15. Jennifer McColgan, P.A.Boston, MA 022151609212018
  16. Pamela McColl, PA-CBoston, MA 021151023241593
  17. Aaron McCollum, PA-CLongmeadow, MA 011061780429738
  18. Katherine McConnellBoston, MA 022151114703204
  19. Jeanne McConologue, PA-CLeominster, MA 014531720281546
  20. Michael McCool, PA-CWilbraham, MA 010951114404126
  21. Rian McCormackSomerville, MA 021431699186312
  22. Michael McCormick, PA-CDedham, MA 020261962018176
  23. Shannon McCormick, PA-CFramingham, MA 017021053644658
  24. Shawn McCoyMelrose, MA 021761619639077
  25. Margaret McCreaBoston, MA 021141609556653
  26. Megan McCrea, PA-CQuincy, MA 021691548822323
  27. Catherine McCrossan, PABoston, MA 021181356923916
  28. Vera McCullen, PA-CDorchester, MA 021241962734616
  29. Kelly McDonagh, PA-CBoston, MA 021181992566137
  30. Brittney McDonald, PA-CNatick, MA 017601679286421
  31. Elizabeth McDonald, PA-CWoburn, MA 018011780026641
  32. John McDonald, PALowell, MA 018521609834043
  33. Michael McDonald, PAAgawam, MA 010011013953785
  34. Michael McDonald, PA-CBoston, MA 021111013267442
  35. Kevin McDonnell, PA-CNewton, MA 024621801327648
  36. Kristen McDonnell, PABoston, MA 021141225553274
  37. Siobhan McDonough, PA-CBoston, MA 022151710723911
  38. Stephen McDonough, PA-CBoston, MA 021151922746254
  39. Thomas McDowell, PACSpringfield, MA 011041376625061
  40. Kathleen McElhiney, PABoston, MA 021141659880151
  41. Shawn McEwan, PA-CLeeds, MA 010531194875633
  42. Jessica McFadden, PA-CBoston, MA 022151477066413
  43. Nicole McFarlane, PHYSICIAN ASSISTANTBoston, MA 021141548939408
  44. Kiely McGill, PA-CNorton, MA 027661710818869
  45. Amanda McGinn, PA-CBoston, MA 021151457170219
  46. Michelle McGinnisBoston, MA 022151841662574
  47. Danielle McGinty, PA-CLowell, MA 018521497456222
  48. Edward McGlynn, PA-CAmherst, MA 010031629156591
  49. Michael McGlynn, PAMelrose, MA 021761063592541
  50. Alexandria McGovern, PA-CWinchester, MA 018901083110753

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.