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 104 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. Emily Roan, M.D.Burlington, MA 018051881890259
  2. L Robb-Nicholson, MDBoston, MA 021141891779518
  3. Jonathan Robbins, M.D., PH.D.Boston, MA 021151386938405
  4. Hubert RobertsBoston, MA 022151750601654
  5. Joseph Roberts, MDBoston, MA 021181306473152
  6. Michael Roberts, MDFall River, MA 027201265787238
  7. Ria Roberts, MDLowell, MA 018521821528894
  8. Zachary Roberts, MD, PHDBoston, MA 021141952538449
  9. Blair Robinson, MD MPHBoston, MA 021141699235614
  10. Gregory Robke, MDPlymouth, MA 023601003843202
  11. Marcel Robles, MDBrighton, MA 021351891323804
  12. Ana Roca Mattei, M.D.Holyoke, MA 010401144485145
  13. Rodrigo Rocha, M.D.Natick, MA 017601619186319
  14. Nadia Rodberg, M.D.Southborough, MA 017721093740607
  15. Sarah Roderick, M.D.Boston, MA 021181962864041
  16. Adam Rodman, M.D., M.P.H.Boston, MA 022151649512872
  17. Mariellen Rodman, M.D.Hyannis, MA 026011912996513
  18. Maria Rodrigues, M.D.Randolph, MA 023681750350708
  19. Rodrigo Rodrigues, MDSalem, MA 019701013193259
  20. Carla RodriguezBoston, MA 021151306437561
  21. Cynthia Rodriguez, MDHyannis, MA 026011104894690
  22. Esdras Rodriguez, MDBoston, MA 021141639744709
  23. Jorge Rodriguez, MDBoston, MA 021151598102758
  24. Oreli Rodriguez, MDLeeds, MA 010531578581757
  25. Santiago Rodriguez Vega, MDFramingham, MA 017021356020101
  26. Alice Rogado, M.D.Boston, MA 021101720119662
  27. Anne Rogal, MDDorchester, MA 021241194715490
  28. Shari Rogal, M.D.Boston, MA 021151437296894
  29. Noga RogelBoston, MA 021141316697527
  30. Margot Rogers, M.D.Boston, MA 021181235591736
  31. Rebecca Rogers, M.D.Somerville, MA 021451205120862
  32. Thomas Rogers, MD/PHDBoston, MA 021151164784435
  33. Jason Roh, MDBoston, MA 022151942469101
  34. Gil Rohald, M.D.Webster, MA 015701740324730
  35. Surbhi Rohatgi, M.DWellesley, MA 024811679821938
  36. Peter Rohloff, MDBoston, MA 021151992964167
  37. Daniela Rohne-Garlapati, D.O., MPHCambridge, MA 021391093985467
  38. Sarah RokawBoston, MA 022151811630163
  39. Chastidy Roldan, MDBurlington, MA 018031518591296
  40. David Roll, M.D.Revere, MA 021511194824417
  41. Kirollos RomanBoston, MA 021141477016525
  42. Elisa Romano, M.D.Braintree, MA 021841730116286
  43. Keith Romano, M.D./PH.D.Boston, MA 021151437597622
  44. Andrew Romanowsky, MDLowell, MA 018521578883237
  45. Mark Romanowsky, M.D.Lowell, MA 018521578521761
  46. Benjamin Rome, M.D.Boston, MA 021151558711861
  47. Richard Romero, MDBelmont, MA 024781235129412
  48. Ruth Romero Velasco, MDBoston, MA 021241992158547
  49. Tatiana Romero-Pantazopoulos, M.D.Cambridge, MA 021391508939752
  50. Mary Romeyn, M.D.Harwich, MA 026451205941275

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.