NPPES file of Aug 9, 2026

Medical Physician Assistant in Massachusetts

886 NPPES records list medical physician assistant with a practice address in Massachusetts, 13 per 100,000 residents, the 22nd highest rate of 51. Springfield and Boston have the most; each record links to the provider's NPI and the Massachusetts license search. Page 15 of 18.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363AM0700X · method

Springfield has the most, 182

Medical Physician Assistant records in Massachusetts

  1. Rachael Rivers, PA-CBoston, MA 021181134050495
  2. Katherine Rivest, PA-CEasthampton, MA 010271164766226
  3. Sandra RobbinsBoston, MA 021151053863126
  4. Zachary Robidoux, PABelchertown, MA 010071801784962
  5. Carolynn Robinson, PASpringfield, MA 011071407590136
  6. Colin Robinson, PAChicopee, MA 010201104496959
  7. Stephen Robinson, PABoston, MA 021181538290549
  8. Chelsea Robitaille, PASpringfield, MA 011071780164244
  9. Natasha Rodriguez, PA-CChicopee, MA 010201366805814
  10. Evelyn Roesler, PA-CWellfleet, MA 026671770615361
  11. Megan Rogers, PA-CBoston, MA 021141235713934
  12. Sarah Rogers, PA-CWorcester, MA 016551275707036
  13. Kathleen Rooney, PA-CWorcester, MA 016081629039375
  14. Rebecca Rose, PA-CNorth Attleboro, MA 027601154771319
  15. Karen Rosen, PABoston, MA 022151114982055
  16. Iris Rosenstein, P.A.Braintree, MA 021841538479605
  17. Kayla Rowan, PA-CBoston, MA 022151477338937
  18. Madison Roy, PABoston, MA 022151205768108
  19. Stephanie Roy, PA-CWestfield, MA 010851720617996
  20. Scott Rubin, PASpringfield, MA 011071649257031
  21. Michael Ruggiero, PAPeabody, MA 019601275598112
  22. Caeli Russell, PASpringfield, MA 011991801319785
  23. Christopher Russell, PA-CBoston, MA 021141902117385
  24. Elizabeth Russell, PA-CBoston, MA 022151457426702
  25. Dylan RyanLawrence, MA 018411891297727
  26. Jacob Sadeck, PA-CFall River, MA 027241073943429
  27. Michael SageMalden, MA 021481588144505
  28. Jean Wilkens SainristilBrockton, MA 023011912658493
  29. Carla SakhtemaniBoston, MA 021111629665534
  30. Isaac Sampson, PALongmeadow, MA 011061861123481
  31. Dana Sandler, PA-CBoston, MA 021151851776587
  32. Yulia Santa, PAJamaica Plain, MA 021301952071276
  33. Melissa Savino, PA-CHolyoke, MA 010401316653843
  34. Mary Sue Schaefer, PHYSICIAN ASSISTANTWorcester, MA 016091063645430
  35. Karyn Schalet, PA-CSpringfield, MA 011071669603049
  36. Elizabeth Scheer, PA-CGloucester, MA 019301053501262
  37. Emily Schwartz, PA-CBoston, MA 021091265375869
  38. Lorelee Scipione, PANewburyport, MA 019501225003007
  39. Margaret Scott, PAWilliamstown, MA 012671003185026
  40. Meghan Seaward, PA-CBoston, MA 021151477881001
  41. Lisa Sebastyn, PA-CSpringfield, MA 011991811083371
  42. Ariana Selby, PABeverly, MA 019151841206380
  43. Dallas Seltzer, PASpringfield, MA 011071073164828
  44. Jennifer Senkier, PAHyde Park, MA 021361225131303
  45. Emily Senra, PA-CWest Bridgewater, MA 023791386578441
  46. Carrie Sepke, PABoston, MA 021151871699363
  47. Sabrina Serino, PA-CBoston, MA 021151558619650
  48. Jordan Seroka, PA-CBoston, MA 021151093430357
  49. Alanna Servant, PA-CSpringfield, MA 011071013622018
  50. Alexis Severin, PAFlorence, MA 010621477193167

Source: CMS NPPES, primary taxonomy 363AM0700X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 22 of 51 per resident

  1. New Mexico13
  2. North Dakota13
  3. Oklahoma13
  4. Massachusetts13
  5. North Carolina12
  6. Florida12
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 363AM0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.2% of these records appear in a Medicare file, against 74.0% 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. Massachusetts78.2%
  2. United States74.0%

Medical Physician Assistant records in Massachusetts, measured

  • In a Medicare file693 of 886 · 78.2% here, 74.0% nationally
  • In the CMS Doctors and Clinicians file562 · 63.4% here, 54.5% nationally
  • Not updated in five years or more474 · 53.5% here, 54.7% nationally
  • Median graduation year2015 · the 559 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363AM0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

886 NPPES records list medical physician assistant (363AM0700X) as their primary taxonomy with a practice address in Massachusetts: 13 per 100,000 residents against 12 nationally (50 states and D.C.). Springfield has 182 of them (21%).

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. Maryland871
  2. Ohio846
  3. Virginia941
  4. New Jersey794

States with a similar rate per 100,000

  1. Oklahoma12.7
  2. North Carolina12.5
  3. North Dakota12.9
  4. New Mexico13.0

The largest states

  1. Pennsylvania3,897
  2. New York3,670
  3. California3,376
  4. Florida2,776
  5. Texas2,146

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.