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 45 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. Kirsten Kenny, PA-CBoston, MA 021151770218117
  2. Brooke Kent, PA-SBoston, MA 021181346834603
  3. Daniel KentBoston, MA 021151558767145
  4. Lily Kent, PA-CWorcester, MA 016551821957861
  5. Donna Kentley, PASouthbridge, MA 015501356495907
  6. Linda KeoLowell, MA 018511881317592
  7. Kimberly Keogh, PAFramingham, MA 017021457583973
  8. Mo Keovongsa, P.A.Burlington, MA 018051710157300
  9. Deanna Kerkhof, PA-C MPHBoston, MA 021151841806213
  10. Julianna Kessilyas, PA-CBoston, MA 021141891409900
  11. Daniela KesslerBoston, MA 022151497472054
  12. Mark Kestner, PAMedford, MA 021551053863662
  13. Harrison Keyes, MPAS, PA-CBoston, MA 021181902372519
  14. Nonna Khachiyan, PA-CFall River, MA 027201073677498
  15. Riyana KhalifaMedford, MA 021551215613591
  16. Ryan Khalifa, PABoston, MA 021101407696917
  17. Tara KhalilBoston, MA 021141851135008
  18. Huma Khan, PHYSICIAN ASSISTANTWestborough, MA 015811750849253
  19. Momina Khan, PA-CWorcester, MA 016061215743380
  20. Fatima Khawaja, PA-CBrighton, MA 021351699481978
  21. Yvonne Khazen, P.A.North Dartmouth, MA 027471871913061
  22. Cynthia Kiang, PA-CBoston, MA 021181811974116
  23. Vanessa KibathiWorcester, MA 016101740993849
  24. Brenna KielNewburyport, MA 019501356290902
  25. Sean KielyNewburyport, MA 019501760941447
  26. Edward KierklaBoston, MA 022151336882919
  27. Nicole Kiley, PA-CBoston, MA 021181295352821
  28. Catherine KimBoston, MA 021151245046978
  29. Jessica King, PA-CWinchester, MA 018901982317814
  30. Jsane KingBurlington, MA 018051881496693
  31. Julia King, PA-CWakefield, MA 018801689240129
  32. Wendy King, PACWest Springfield, MA 010891528184181
  33. Sarah Kingston, PA-CLynn, MA 019011235751124
  34. Laurie Kinsella, PABurlington, MA 018051962552554
  35. Claire KintnerBoston, MA 021141982266433
  36. Elizabeth Kirstein, PAWaltham, MA 024511689634842
  37. Mary Kirya, PA-CBoston, MA 021181144950593
  38. Amy Klagges, P.A.Boston, MA 021151609888395
  39. Joshua Kleckner, PA-CCambridge, MA 021411184358392
  40. Jonathan Klee, PA-CBoston, MA 021151730069501
  41. Alyssa Klein, PA-CWeymouth, MA 021901316635618
  42. Haley Klein, PA-CBoston, MA 021111376080028
  43. Carly Klimek, PA-CWorcester, MA 016051124749981
  44. Skylar Kline, PA-CBeverly, MA 019151669993945
  45. Mikayla KloosterLongmeadow, MA 011061619651981
  46. Ian Knapton, PA-CHyannis, MA 026011487115234
  47. Gaia KnightWorcester, MA 016081427940675
  48. Monique Knopf-Shaffer, PAPlymouth, MA 023601114924420
  49. Kiley Knowlton, PA-CWorcester, MA 016551992353908
  50. Lauren KnoxAuburn, MA 015011528460326

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.