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 2 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. Sonia Almeida, PAChelmsford, MA 018241063560357
  2. Elizabeth Alqueza, PA-CBoston, MA 022151972584100
  3. Halah AlsariWest Springfield, MA 010891639731011
  4. Kylie Altavesta, PA-CConcord, MA 017421235776832
  5. Carla Altema, PA-CLawrence, MA 018411740039452
  6. Sophia AltimariBoston, MA 021161457243347
  7. Annemarie Altomare, PA-CBoston, MA 021141386516854
  8. Nomee AltschulBoston, MA 021301770664500
  9. Sandra Alua, P.A.Fall River, MA 027201376867176
  10. Santiago AlvaBoston, MA 021151013702141
  11. Nicolle Alvarez, RPA-CPittsfield, MA 012011942591193
  12. Caitlin AlvesWorcester, MA 016551417499906
  13. Emily Alves, PAFall River, MA 027201639511678
  14. Katherine Amaral, PA-CBoston, MA 021151487495479
  15. Matthew Amaral, PA-CFairhaven, MA 027191891342218
  16. Rebecca Amaral, PA-CRaynham, MA 027671134403439
  17. Sarah Amaral, PA-CSpringfield, MA 011071932839297
  18. Marine Amatya Joshi, PA-CCambridge, MA 021391053944868
  19. Paul Ambrose, PA-CBoston, MA 021181730631557
  20. Alexia AmesBoston, MA 021151942136692
  21. Mia Ames, PA-CNorwell, MA 020611407331440
  22. Daylin Amesimeku, PA-CWestborough, MA 015811093490856
  23. Anisa AmijiBoston, MA 021181063210433
  24. Zahra Amiji, PA-CMilford, MA 017571477277135
  25. Hannah AmmiratoBoston, MA 022151306733175
  26. Jean AmoreDartmouth, MA 027471932082963
  27. Susan Amquy, PA-CBoston, MA 021151255015160
  28. Robert Amrien, PA-CChelsea, MA 021501073570016
  29. Marina Anastopoulos, MS, PA-CBurlington, MA 018051710461884
  30. Katherine AndersenBoston, MA 022151760001549
  31. Beth Anderson, PA-CBoston, MA 021181841441623
  32. Erin Anderson, PANorwell, MA 020611164838926
  33. James Anderson, PA-CSpringfield, MA 011071295538833
  34. Katie AndersonBoston, MA 021151730698861
  35. Keryn Anderson, PA-CBoston, MA 021181992481972
  36. Lauren AndersonBoston, MA 021111760251730
  37. Samantha Anderson, PA-SMelrose, MA 021761083444392
  38. Samuel Anderson, PA-CBoston, MA 021141245983576
  39. Sarah Anderson, PA-CPlainville, MA 027621184033417
  40. Shawn Anderson, PA-CBoston, MA 021151427524941
  41. Shonah AndersonBoston, MA 021151265167399
  42. William Anderson, PA-CBrighton, MA 021351154611838
  43. Anthony AndradeBoston, MA 021151073322947
  44. Jonathan Andrade, PA-CBoston, MA 021151265996615
  45. Tiffany Andrade, PA-CBoston, MA 021151700369410
  46. Darlene Andrade FonsecaBrockton, MA 023011871303172
  47. Kristin Andres, PA-CBoston, MA 021141801302922
  48. Mia Andresen Roumia, PA-CWorcester, MA 016551285252064
  49. Allie Andreski, PABoston, MA 021141043909153
  50. Sean Andrew, PA-CBoston, MA 021141346753407

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.