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 69 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. Jennifer Peet, P.A.North Adams, MA 012471023039443
  2. Cali Peffer, PA-CCharlton, MA 015071023605953
  3. Elissa Peixoto, PA-CHingham, MA 020431790973527
  4. Andrew Pellechia, PAStoneham, MA 021801265092423
  5. Anthony Pellegrino, PA-CSpringfield, MA 011041083769111
  6. Melissa Pellegrino, PA-CWorcester, MA 016051740662154
  7. Brian Pellicano, PASpringfield, MA 011071497395842
  8. Michala Peltak, PA-CWorcester, MA 016551720735889
  9. Loreiny Penalo, PA-CSpringfield, MA 011081982375614
  10. Adriana Penicaud, PACBoston, MA 021151144271438
  11. Alexandra Penney, RDN, LDNBurlington, MA 018051366842593
  12. Cara Penney, PABurlington, MA 018051124179510
  13. Jacquelyn Pennie, PADedham, MA 020261134536055
  14. Julia Pennington, PA-CBoston, MA 021111275217150
  15. Emma Pennock, PA-CBoston, MA 021151053872895
  16. Antonia Penta, PA-CFramingham, MA 017011932892098
  17. Sarah Peredna, PA-C, ATCMilford, MA 017571104165679
  18. Allison Pereira, PADartmouth, MA 027471518505510
  19. Holly PereiraHaverhill, MA 018301730899337
  20. Jennifer Pereira, PABoston, MA 021141295445765
  21. Kimberley Perenick, PA-CNorth Adams, MA 012471902875230
  22. Erika Pereyra, PA-CBoston, MA 021301457893067
  23. Maria Perez, PHYSICIAN ASSISTANTBoston, MA 021151992705834
  24. Natalie Perez, PA-CNewburyport, MA 019501053872614
  25. Amanda Perillo, PA-CBoston, MA 021091033554241
  26. Ian PerlaStow, MA 017751376423160
  27. Alexa Peroni, PA-CBoston, MA 021131497625040
  28. Jessica Peroni, PADorchester, MA 021251114090859
  29. Brittany Perron, PA-CBoston, MA 021151477894988
  30. Kelsey Perry, PA-S1Boston, MA 022151780400457
  31. Megan Persenaire, PAHolden, MA 015201578122271
  32. Adam PerssonCambridge, MA 021381104615640
  33. Julian Perti, PA-CPeabody, MA 019601548759731
  34. Kerri Perusse, PA-CJamaica Plain, MA 021301558580332
  35. Joan Peters-Gilmartin, PA-COrleans, MA 026531740282730
  36. Courtney Petersen, PA-CBoston, MA 021111730184375
  37. Calvin Peterson, PACSouthbridge, MA 015501508845421
  38. Heather Peterson, PA-CHolyoke, MA 010401821419862
  39. John Peterson, PA-CAttleboro, MA 027031336083997
  40. Karen Peterson, PA-CWeymouth, MA 021901861610610
  41. Lance Peterson, PHYSICIAN ASSISSTANTStoughton, MA 020721659552610
  42. Mackenzie PetersonBoston, MA 021151235852286
  43. Margaret Peterson, PABoston, MA 021161386609766
  44. Mary Anne Peterson, PA-CBoston, MA 021181649704545
  45. Alexa Petkewich, PHYSICIAN ASSISTANTBoston, MA 022151508757287
  46. Andrew Petlock, PAHudson, MA 017491972381077
  47. Alessandra Petrelli, PA-CQuincy, MA 021691518641497
  48. Laura Petrillo-Deluca, PACMilford, MA 017571548317662
  49. Ashley Petrou, PA-CBrockton, MA 023011285255034
  50. Sharon Petroules, PA-CBoston, MA 021151043837776

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.