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 51 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. Cecilia Liu, PA-CBoston, MA 021181194459313
  2. Christopher Liu, PABoston, MA 021151871698381
  3. Luyang Liu, MPAS, MPH, PA-CBoston, MA 021141932838430
  4. Nancy Livada, PA-CBurlington, MA 018051912206897
  5. Samantha Livermore, PA-CBoston, MA 022151639840978
  6. John Livingstone, PA-CBedford, MA 017301437649647
  7. Mayrelys Liz JimenezBrookline, MA 024451659237709
  8. Catherine Llamas, PAJamaica Plain, MA 021301023162344
  9. Hannah LlewellynBoston, MA 021151699455642
  10. Victoria Llewellyn, PACSouth Weymouth, MA 021901730510884
  11. Andrea Llosa, PA-CWorcester, MA 016551609186410
  12. Jenna Lloyd, PA-CQuincy, MA 021691467382028
  13. Ka-Yi Lo, PACambridge, MA 021391992914964
  14. Katherine Lobben, PA-CBoston, MA 021151275092736
  15. Kate Lobisser, PA-CWorcester, MA 016051093521809
  16. Lauren Lockney, PA-CBillerica, MA 018211861123788
  17. Brianna LocurtoBoston, MA 021151760099485
  18. Kalie Lodowsky, PA-CWorcester, MA 016551689113078
  19. Brigid Loftus, PABoston, MA 021151346131273
  20. Timothy Loftus, PACWorcester, MA 016061215522099
  21. Erin LogeeBoston, MA 021111710688411
  22. Jessica Logsdon, MHS, MHA, PA-CBoston, MA 021151720185473
  23. Jesse Loiurio, PA-CBoston, MA 021181215205380
  24. Patrick Lombardo, PAWorcester, MA 016051861155897
  25. Katelyn Lonergan, PA-CPlymouth, MA 023601326615212
  26. Connor Long, PA-CSouth Weymouth, MA 021901811643554
  27. Morgan Long, PA-CLudlow, MA 010561629770953
  28. Russell Longendorfer, PA-CWorcester, MA 016551194249136
  29. Katie Lonsdale, PAPembroke, MA 023591588504468
  30. Kristen Looman, PABrighton, MA 021351205400439
  31. Brianna Looney, PA-CBoston, MA 021151760194260
  32. Luciane Lord, PA-CBoston, MA 021141689869000
  33. Kathleen Lord Naples, PABraintree, MA 021841861456857
  34. Leisa Lord-HalvorsonBoston, MA 022151942778394
  35. Rocco Loricco, PAJamaica Plain, MA 021301275740383
  36. Caitlin Losi, PABoston, MA 021301548726870
  37. Charles Loucraft, PALeominster, MA 014531699865899
  38. Margaret Loughman, PA-C, ATCWilbraham, MA 010951073017448
  39. Marc LouisBoston, MA 021111447076922
  40. Rhosemalindha Louis, PA-CBrockton, MA 023021518895697
  41. Jordan Love, PABoston, MA 021151164041950
  42. Nicole LoveRevere, MA 021511144866427
  43. Robin LowNatick, MA 017601568406494
  44. Dana Lowney, PA-CSouth Easton, MA 023751447148176
  45. Katherine Lowry, PA-CBoston, MA 021181609395565
  46. Moriah LuallenSouth Hamilton, MA 019821750188272
  47. Jeffrey Lucak, PA-CBrookline, MA 024461366791733
  48. Jessica Lucas Stanton, PA-CBoston, MA 021141649724519
  49. Caroline Luce, PA-CBoston, MA 021181083189849
  50. Devin Luce, PA-CBurlington, MA 018051710616347

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.