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 46 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. Kayla KobelskiAndover, MA 018101235064650
  2. Cassidy KochTaunton, MA 027801679310098
  3. Kristen Koch, PA-CSalem, MA 019701205074721
  4. Bruce Kocher, PA-CBoston, MA 021151548457799
  5. Kenadie KocotSpringfield, MA 011091063345163
  6. Leah Koechlin, RPA-CBoston, MA 021111669135083
  7. Stefanie Koelewyn, PA-CBellingham, MA 020191811617897
  8. Marie KolarikTurners Falls, MA 013761528794617
  9. Sarah Kolchinsky, PA-CBrighton, MA 021351174068134
  10. Thomas KolekBoston, MA 021151366135436
  11. Sara Kolinski, PA-CNorthampton, MA 010601124889142
  12. Kelley Koloski, PA-CNewton, MA 024621336605369
  13. Alexandra Kolossovsky, PA-CBoston, MA 021151538836820
  14. Olivia Konaxis, PA-CBoston, MA 021291649045436
  15. Gabriel Kondrotas, PA-C, ATCBarre, MA 010051821664426
  16. Efrosini Konomi, PA-CBarre, MA 010051033088976
  17. Madeline Konz, PA-CShrewsbury, MA 015451477238145
  18. Olivia Kopin, PABoston, MA 021151588210629
  19. Miranda Kopnisky, PA-CMelrose, MA 021761578872255
  20. Stephanie KopsEast Longmeadow, MA 010281306449608
  21. Kimia Kordestani, PA-CBoston, MA 021141083163901
  22. Jessica Korman, PABoston, MA 021141558661546
  23. Andreana Kosinski, PABurlington, MA 018051730270208
  24. Christina KosmidisAuburn, MA 015011073170460
  25. Klajdi KosovrastiWorcester, MA 016051265072169
  26. Cori Kostick, PA-CBoston, MA 021151922320092
  27. Kristen Kotsopoulos, PA-CWorcester, MA 016551124634720
  28. Melanie Koumentakos, PA CAgawam, MA 010011295925956
  29. Ashleigh Kowtoniuk, PA-CBoston, MA 021151255808218
  30. Anne Kozak, PABoston, MA 021151962033654
  31. Hanna KozlowskiWorcester, MA 016081114797966
  32. Bradley Kozub, PA-CWorcester, MA 016551295045680
  33. Ellen Krag, PAConcord, MA 017421851454318
  34. Kelly Kraines, PABoston, MA 022151457827115
  35. Edward KrajkowskiWestfield, MA 010851629881032
  36. Anna KramerChestnut Hill, MA 024671205723152
  37. Cody Kramer, PA-CBoston, MA 021141881076677
  38. Elizabeth Kramer, PA-CBoston, MA 021151336354695
  39. Justine Kramer, PA-CJamaica Plain, MA 021301235592833
  40. Todd Kramer, PAWorcester, MA 016051811914393
  41. Amy Kravitz, PA-CBoston, MA 021141477838084
  42. Betty Krechmer, PA-CBoston, MA 021151578967436
  43. Emily KrendelBurlington, MA 018031952248759
  44. Joseph Kroell, PA-CNorwood, MA 020621619525078
  45. Sonia Krotkov, RPA-CWest Springfield, MA 010891932245958
  46. Taylor Krozy, PA-CBoston, MA 021151720710718
  47. Christopher Krukonis, PA-CBoston, MA 021181871095018
  48. Sierra Kruser, PA-CBoston, MA 022151164112710
  49. Ulyana Kryvenko-Zalizetsky, PA-CSaugus, MA 019061437686706
  50. Matthew KrzystyniakConcord, MA 017421902785470

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.