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 94 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. Brianna WyrosdicBrockton, MA 023021851042683
  2. Christina Wysocki, PA-CBoston, MA 022151801680764
  3. Mikayla Wysocki, PA-CBoston, MA 021151912559261
  4. Mei Xu, PA-CBoston, MA 021151669578605
  5. Alexandra Yacano, PAFoxborough, MA 020351114514916
  6. Laura Yacovone, PA-CBoston, MA 021151821230442
  7. Eric Yakuze, PAWorcester, MA 016551609335850
  8. Nicole Yannalfo, PA-CBoston, MA 021141609590744
  9. Philip Yanni, PAWest Springfield, MA 010891235113960
  10. Andrea Yarmak, P.A.Jamaica Plain, MA 021301548652480
  11. Kate Yarzebski, PA-CWorcester, MA 016051881920205
  12. Alexis Yeager, PA-CBoston, MA 021141770154098
  13. Jonathon Yee, PA-CSpringfield, MA 011071831736396
  14. Lucy Yee, PA-CNewton, MA 024591851540793
  15. Eric Yenulevich, PABoston, MA 021151023269206
  16. Michelle Yeow, PA-CBoston, MA 021141386126530
  17. Nicholas YevsyukNorthampton, MA 010601174455596
  18. Dana Yizhaky, PA-CBoston, MA 021111144920745
  19. Nicholas Yoakum, PA-CWorcester, MA 016051023424777
  20. Deborah Yolin-Raley, PA CBoston, MA 021151669423901
  21. Jaden Yoo, PA-CBoston, MA 021141962197426
  22. Colby Young, PA-CBoston, MA 021151760206510
  23. Emily Young, PA-CBoston, MA 021181205351616
  24. Gretchen Young, PA-CNewton, MA 024621982751400
  25. Michelle Young, PA-CBoston, MA 021141023669330
  26. Briana Yu, PA-CBurlington, MA 018051396391645
  27. Jessica YuBoston, MA 021301902576598
  28. Yiming Yu, PAWaltham, MA 024511255070413
  29. Nataliya Yuzych, PA-CWest Springfield, MA 010891881160216
  30. Julie Zabar, PA-CBoston, MA 021151760117352
  31. Lisa Zachert, PA-CN Chelmsford, MA 018631730158023
  32. Kellen ZakulaJamaica Plain, MA 021301801476981
  33. Rima Zalaket, PAMethuen, MA 018441306114921
  34. Emily Zaleski, PA-CHingham, MA 020431952097297
  35. Julia Zannotti, PA-CWorcester, MA 016551669105649
  36. Victoria Zappi, PABrockton, MA 023021417408535
  37. Nicole Zarba, PA-CEast Longmeadow, MA 010281750648853
  38. Helen ZarembaWorcester, MA 016081902793987
  39. Owen Zaret, PA-CHolyoke, MA 010401447356589
  40. Jessica ZarrielloBoston, MA 021111366111213
  41. John Zarriello, PA-CPlainville, MA 027621508608969
  42. Timothy ZawalichPaxton, MA 016121235798935
  43. Katharine ZeccaBurlington, MA 018051285425736
  44. Daniel Zenevitch, PAWorcester, MA 016551538605688
  45. Yvonne ZengBoston, MA 021151679325245
  46. Alon Zephrani, PA-CBrockton, MA 023021952635641
  47. Susan Zepka, PA-CPittsfield, MA 012011790870244
  48. Teresa Zhang, PA-CBoston, MA 021151952803983
  49. Xiaomei Zheng, PABoston, MA 021181548001324
  50. Jeffrey Zhu, PA-CBoston, MA 021141710644646

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.