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 11 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. Alfred Baum, M.D.Plymouth, MA 023601841239845
  2. Robert Baumgartner, MDBoston, MA 021111487975397
  3. Robert Baumwoll, M.D.Boston, MA 022151043256266
  4. Karmina Bautista, MDN Dartmouth, MA 027471033131008
  5. Grover Baxley, MDHyannis, MA 026011912961707
  6. Kern Bayard, MDWorcester, MA 016061699777888
  7. Matthew Bean, M.D.Southborough, MA 017721730107244
  8. Michael Bean, MDFramingham, MA 017021447266408
  9. Stephen Beaudoin, M.D.Newburyport, MA 019501902808124
  10. John Beaulieu, M.D.Swampscott, MA 019071124068663
  11. George Beauregard, DODedham, MA 020261396883880
  12. Ronald Beauzile, MDBelchertown, MA 010071003062647
  13. Thevenin Beauzile, M.D.Holyoke, MA 010401093047524
  14. Kristin Beaver, M.D.Boston, MA 022151689995219
  15. Jerry Beavers, M.D.Burlington, MA 018031023243342
  16. Stacey Beberman, M.D.Hopkinton, MA 017481134356843
  17. Ma Leonor Beck, M.D.Worcester, MA 016081174979447
  18. Daniel Becker, M.D.Boston, MA 021151710911474
  19. Anne BeckettBoston, MA 021181649698408
  20. William Beckett, MDCambridge, MA 021381841220985
  21. Susanna Bedell, MDBoston, MA 021151023151180
  22. Rachael Bednarz-Medeiros, DOFairhaven, MA 027191174267900
  23. Camille Bedrosian, MDCambridge, MA 021391487715546
  24. Laura Beeghly, MDLynn, MA 019041215988100
  25. Vanessa Begolli, M.D.Holyoke, MA 010401770553562
  26. Tahmina Begum, M.DSpringfield, MA 011091942641345
  27. Heidi Behforouz, MDBoston, MA 021151073579736
  28. Clifford Behmer, M.D.Westborough, MA 015811407839392
  29. William Belcastro, M.D.Springfield, MA 011041548269251
  30. Elias Belezos, M.D.Charlton, MA 015071205819109
  31. Raquel Belforti, DOSpringfield, MA 011071417165887
  32. Alistair Bell, MDSpringfield, MA 011041265953616
  33. Declan Bell, MDBoston, MA 022151700370426
  34. Rebeca Bell, M.D.Springfield, MA 011091376869800
  35. Danielle Bellavance, MDBoston, MA 021181164008173
  36. Laide Bello, M.D.Dorchester Center, MA 021241285949321
  37. Mozidat Bello, MDBurlington, MA 018051467187872
  38. Steele Belok, MDCambridge, MA 022381831138536
  39. Sourik Beltran, MD, MBEBoston, MA 022151871170456
  40. Susan Beluk, M.D.Newbury, MA 019511083738785
  41. Eyal Benjamin Ben Assa, MDBoston, MA 021141740720937
  42. Hanane Ben Faras, M.D.Burlington, MA 018051134531403
  43. Michael Benari, MDNewton, MA 024591669472965
  44. Cecelia Bender, DOBoston, MA 021141063095008
  45. Melissa Bender, MDBoston, MA 021141740259878
  46. Laurent Benedetti, M.D.Worcester, MA 016081184852345
  47. Roger Beneitone, MDWestfield, MA 010851760452635
  48. Richard Benetti, M.D.Stoneham, MA 021801174752448
  49. Evan Benjamin, MDSpringfield, MA 011091669572939
  50. Peter Benjamin, M.D.Concord, MA 017421073669248

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.