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 64 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. Raissa Nkulu Kasongo Wa Nday, PA-CPittsfield, MA 012011265180582
  2. Allison Nocon, PA-CBoston, MA 021151205435393
  3. Kimberly Noe, PANorthborough, MA 015321528920691
  4. Patricia Noe, PA-CWorcester, MA 016551346579471
  5. Jessica NogaWorcester, MA 016551194353219
  6. Michelle Noiles, PABoston, MA 022151437470473
  7. Stephen Noiseux, PABurlington, MA 018051225189616
  8. John Nolan, PAFalmouth, MA 025401013982875
  9. Timothy NolandBurlington, MA 018051174937783
  10. Kelsey Nolen, PA-CBeverly, MA 019151770470460
  11. Katherine Noon, PA-CMilton, MA 021861700129160
  12. James Noonan, PA-CBoston, MA 021181194155069
  13. Samantha Noonan, P.A.-CJamaica Plain, MA 021301619119682
  14. Rachel Noone, PA-CWorcester, MA 016051003318940
  15. Nilaab NooriEast Longmeadow, MA 010281770476194
  16. Daniel Nordquist, PA-CMashpee, MA 026491205390176
  17. Tyler Normile, PA-CBoston, MA 021141407423908
  18. Kole Norris, PA-CBoston, MA 021181851799647
  19. Mae Norton, PA-CBoston, MA 021151528856168
  20. Andrew NosalFitchburg, MA 014201306433453
  21. Maureen Nothnagle, PA-CBoston, MA 021141841849478
  22. Eliot Nottleson, P.A.Winchendon, MA 014751386602548
  23. Carla Novaleski, PACBurlington, MA 018051750534525
  24. Raielle NovickBoston, MA 021181265173058
  25. Cesar Novoa, PA-CLawrence, MA 018411649517202
  26. Jessica Novy, PA-CFall River, MA 027241427351279
  27. Corinne Nowak, PA-CBellingham, MA 020191073963500
  28. Magdalena Nowak, PA-CSpringfield, MA 011041497993281
  29. Brett Nowlan, PA-CBoston, MA 021181023590288
  30. Alyssa NunezBoston, MA 021151235052721
  31. Kristen Nuspl, PA-CBurlington, MA 018051801106331
  32. Brittni NussBeverly, MA 019151962932301
  33. Candace O Keefe, PAFall River, MA 027201396708780
  34. Heidi O'Brien, PA-CMilford, MA 017571417057944
  35. Kayla O'Brien, PHYSICIAN ASSISTANTBoston, MA 021151356997787
  36. Michael O'Brien, PAFlorence, MA 010621922625185
  37. Molly O'Brien, PAFall River, MA 027231033614524
  38. Deanne O'Brien Hagerty, PABoston, MA 021181780540104
  39. Abigail O'Connell, PAMilford, MA 017571942199617
  40. Lauren O'Connell, PA-CNorth Quincy, MA 021711609372614
  41. Meaghan O'Connell, PA-CRehoboth, MA 027691194409532
  42. Molly O'ConnellBoston, MA 022151295665958
  43. Paul O'Connell, PA-CBoston, MA 021181578527875
  44. Colleen O'Connor, PABoston, MA 021141730116815
  45. Erin O'Connor, PA-CNorth Andover, MA 018451295756609
  46. Jordan O'Connor, PAWeymouth, MA 021901598062713
  47. Lizabeth O'Connor, PA-CEverett, MA 021491932278249
  48. Madison O'Connor, PA-CBoston, MA 021271669308359
  49. Rebecca O'Connor, CGC, PA-CSpringfield, MA 011041710143029
  50. Robert O'Connor, PA-C, MPHBoston, MA 021111316892276

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.