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 61 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. Jessica Morrissey, PHYSICIAN ASSISTANTBoston, MA 021151093439606
  2. Aaron Morse, PA-CNorthampton, MA 010601821458944
  3. Kayla Morse, PA-CBrookline, MA 024461780242875
  4. Samantha Morse, PA-CBoston, MA 021141366861999
  5. Madison MortillaroBoston, MA 021151316698202
  6. Claire Moses, PA-CBoston, MA 021151285412163
  7. Cameron Mosgrove, PA-CBoston, MA 021141093308520
  8. Monika MosioDudley, MA 015711700673647
  9. Emily Mossman, PA-CMansfield, MA 020481346026689
  10. Dayane Mota, PA-CDouglas, MA 015161346864162
  11. Reid Motha, PA-CNorthampton, MA 010601003207929
  12. Nathan Mott, PABoston, MA 021151689386468
  13. Elizabeth MoynihanBoston, MA 021141720695695
  14. Meagan Muench, PA-CWorcester, MA 016551083199053
  15. Stanley Mui, PA-CBoston, MA 021151417233719
  16. Michelle Mukasa, PA-CLowell, MA 018541023816857
  17. Dennis MuldoonBoston, MA 022151477216331
  18. Christine Mullaney, P.A.Worcester, MA 016051972606432
  19. Shannon Mullaney, PA-CWeymouth, MA 021881295394971
  20. Ariel Mullen, P.A.Abington, MA 023511174723977
  21. Kevin Mullen, PA-CNorwood, MA 020621093773665
  22. Mariah Mullen, PA-CBoston, MA 021151114270741
  23. Ryan Mullen, PAWorcester, MA 016081326304197
  24. Rebecca Muller, PA-CBoston, MA 021181730699497
  25. Elizabeth Mulley, PA-CConcord, MA 017421700611225
  26. Nicholas Mulligan, PABoston, MA 021151174171433
  27. Mary Mullins, PA-CAndover, MA 018101780358903
  28. Diana Munera-Santiago, PA-SHaverhill, MA 018301649544172
  29. Nyaradzo Munjanja, PA-CCambridge, MA 021391033474333
  30. Kendra Munkacsy, PA-CDevens, MA 014341184195521
  31. Ashley Munroe, PA-CBoston, MA 021141063006377
  32. Asif MuqtadirWorcester, MA 016051720871106
  33. Bridget Murphy, PA-CBoston, MA 021151275174054
  34. Denis Murphy, P.A.Boston, MA 021181154774040
  35. James Murphy, PA-CWorcester, MA 016081053546549
  36. Kaylie Murphy, PA-CNewburyport, MA 019501891314506
  37. Lauren Murphy, PA-CTaunton, MA 027801194594473
  38. Ryan Murphy, PA-CNorth Easton, MA 023561619935186
  39. Sarah Murphy, PA-CBrookline, MA 024451669276838
  40. Alison Murray, PA-CPlymouth, MA 023601518651629
  41. Amanda Murray, PA-CBoston, MA 021141639892995
  42. Debbie Murray, P.A.Springfield, MA 011181396752028
  43. Emily Murray, PA-CBoston, MA 021181366339236
  44. Jordyn Murray, PA-CDanvers, MA 019231750013686
  45. Karissa MurrayBeverly, MA 019151588378764
  46. Kerri Murray, PA-CBoston, MA 021151942694609
  47. Makenzie Murray, PA-CBoston, MA 021151770138786
  48. Nathaniel MurrayRandolph, MA 023681053955211
  49. Siobhan Murray, PABoston, MA 021151215787445
  50. Jamie MurtaughOak Bluffs, MA 025571588106421

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.