NPPES file of Aug 9, 2026

Internal Medicine Physician in Massachusetts

6,825 NPPES records list internal medicine physician with a practice address in Massachusetts, 97 per 100,000 residents, the 2nd highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 31 of 137.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 2,320

  1. Boston2,320
  2. Worcester448
  3. Cambridge300
  4. Springfield282
  5. Burlington144

Internal Medicine Physician records in Massachusetts

  1. Kara Dillon, MDBoston, MA 021181760019350
  2. Pradeep Dilwali, M.D.Lexington, MA 024201023226107
  3. Jordan Dimitrakoff, M.D., PH.D.Boston, MA 022151225272412
  4. Nizam DinSouthbridge, MA 015501861659625
  5. James Dineen, MDBoston, MA 021141821076654
  6. Ann Ding, MDNorth Attleboro, MA 027601376034363
  7. Cheng Ding, MDWeymouth, MA 021901700248499
  8. Svetlin Dinovski, M.D.Wellesley, MA 024811093027062
  9. Jason Diogo, MDFall River, MA 027201861559429
  10. John Diorio, MDAbington, MA 023511932131000
  11. Joseph Dipane, MDBoston, MA 021151326733809
  12. Melissa Dipetrillo, M.D.Boston, MA 021181487619540
  13. Alexander Disciullo, MDBoston, MA 021141932725470
  14. Bruce Ditzion, M.D.Cambridge, MA 021401346365269
  15. Rohit Dixit, MDLawrence, MA 018431730568866
  16. Vidya Dixit, M.D.Franklin, MA 020381790125045
  17. Ronald Dixon, MDBoston, MA 021141144204447
  18. Danny DoCambridge, MA 021391538818158
  19. Hung Do, M.D.Boston, MA 021181013069962
  20. John Do, M.D.Swampscott, MA 019071902138084
  21. Nhan Do, MDBoston, MA 021301750353967
  22. Thi Hong Van Do, M.D.Uxbridge, MA 015691255718318
  23. Hoang-Oanh Doan, DOWatertown, MA 024721760843619
  24. David Dobson, MDBeverly, MA 019151295833804
  25. Holly Dockery, MDBoston, MA 021151649968975
  26. Lauren Doctoroff, MDBoston, MA 021141952383960
  27. Abhinav Dodeja, MDSpringfield, MA 011071801271234
  28. Merriebeth Dodge, DOOak Bluffs, MA 025571801857933
  29. Afua DodooMilford, MA 017571568807170
  30. Adam Doerr, MDWorcester, MA 016551023646379
  31. David Dohan, M.D.Billerica, MA 018211336108638
  32. Jayne Doherty, MDBoston, MA 021141598755035
  33. Jan Dohlman, M.D.East Boston, MA 021281528046943
  34. Brian Dolan, M.D.Weymouth, MA 021901952345928
  35. Natasha Dolgin, MD, PHDCambridge, MA 021381083135982
  36. Paul Dolinsky, MDHarwich, MA 026451942212998
  37. Hilary Dolstad, MDBrookline, MA 024461447887575
  38. Emily Domingue, MDPlymouth, MA 023601255822920
  39. Katherine Domoto, M.D.Canton, MA 020211588602809
  40. Alexandra Doms, MDBoston, MA 021141215564638
  41. Henry Donaghy, M.D.Boston, MA 021111023116662
  42. Aletheia Donahue, M.D.Oak Bluffs, MA 025571548559396
  43. Christine Donahue, M.D.Worcester, MA 016051912980525
  44. Stephen Dong, M.D.Burlington, MA 018031437122470
  45. Beth Donnelly, MDOak Bluffs, MA 025571235195207
  46. Esther Dono De Quiusky, M.DSalem, MA 019701699172254
  47. Sarah Donohue, NPBoston, MA 021161326630906
  48. Jaiganesh Dorai, MDFall River, MA 027211194099705
  49. Subbiah Doraiswami, M.D.Belmont, MA 024781093959439
  50. Dragana Doran, MDHaverhill, MA 018301750451795

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia133
  2. Massachusetts97
  3. Rhode Island94
  4. Connecticut73
  5. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.5% of these records appear in a Medicare file, against 78.7% 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. Massachusetts74.5%
  2. United States78.7%

Internal Medicine Physician records in Massachusetts, measured

  • In a Medicare file5,088 of 6,825 · 74.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file4,103 · 60.1% here, 61.4% nationally
  • Not updated in five years or more4,346 · 63.7% here, 55.4% nationally
  • Median graduation year2004 · the 4,103 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

6,825 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Massachusetts: 97 per 100,000 residents against 44 nationally (50 states and D.C.). Boston has 2,320 of them (34%).

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. Illinois7,238
  2. Pennsylvania7,300
  3. Michigan5,735
  4. Ohio5,277

States with a similar rate per 100,000

  1. Rhode Island94.3
  2. Connecticut72.5
  3. Maryland63.2
  4. Hawaii62.9

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.