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 20 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. Omar Caticha, MDTaunton, MA 027801700873924
  2. Branimir Catipovic, MDNeedham, MA 024921871680389
  3. Pamela Cattel, MDSouth Boston, MA 021271023081841
  4. Charles Cavagnaro, MDBrimfield, MA 010101578597456
  5. John Cavallo, M.D.East Bridgewater, MA 023331619914322
  6. Robert Cavanaugh, MDMillbury, MA 015271659331916
  7. Erin Cebular, CNPChelmsford, MA 018241104456359
  8. Jacob Cedarbaum, MDBoston, MA 021141144789009
  9. Philip Cefalo, M.D.Boston, MA 021181407888936
  10. Peter Ceglowski, MDCambridge, MA 021381831849884
  11. Frederic Celestin, MDCambridge, MA 021381417173436
  12. Nathalie Celestin, M.D.Gloucester, MA 019301528265394
  13. Ann Celi, MD MPHBoston, MA 021151467488916
  14. Matthew CenciBoston, MA 021111720711211
  15. Albert Cennerazzo, M.D.Springfield, MA 011071528092285
  16. Beth Cerce, MDTaunton, MA 027801386668796
  17. Rodrigo Cerda, MD MPHChelsea, MA 021501821301417
  18. Miriam Cerutti, D.O.Hyannis, MA 026011609077437
  19. Emily Cetrone, MDBoston, MA 021181902334915
  20. Bruce Chabner, MDBoston, MA 021141467443176
  21. Matthew Chabot, M.D.Springfield, MA 011071053601096
  22. Michele Chabot, MDMilton, MA 021861629062781
  23. Alexandra Chabrerie, MDCambridge, MA 021381033260930
  24. Claudia Chae, MDBoston, MA 021141922079342
  25. Jin Byung Chae, M.D.Boston, MA 021091477713121
  26. Uma Chaganti, MDSpringfield, MA 011041609173954
  27. Sreekanth Chaguturu, M.D.Boston, MA 021141689788572
  28. Karen Chahal, MDCambridge, MA 021381477083749
  29. John Chahraban, MDBoston, MA 021111750968194
  30. Alexander ChaitoffBoston, MA 021151568922771
  31. Samuel Chakola, M.D.Cambridge, MA 021381932485604
  32. Aniket Chakrabarti, M.D.Pembroke, MA 023591932282936
  33. Sandipan ChakrabortySpringfield, MA 011071568815686
  34. Rajib Chakravarty, M.D.Springfield, MA 011071972945830
  35. Shaleen Chakyayil, MDBoston, MA 021181447613047
  36. Melvin Chalfen, M.D.Cambridge, MA 021391215052022
  37. Nina Chalfin, M.D.Boston, MA 021151902836661
  38. Charles Chalko, D.O.South Weymouth, MA 021901548218126
  39. Madhavi Challagulla, MDAndover, MA 018101023132800
  40. Paul Chamberlin, M.D.Cambridge, MA 021421841238144
  41. Adepeju Champion, M.D.Worcester, MA 016551003090499
  42. Heidi Chamula, DOWorcester, MA 016081740718915
  43. Belinda Chan, MDBoston, MA 021141134154917
  44. David Chan, M.D., M.SC.Boston, MA 021151750433249
  45. Elizabeth Chan, MDMedford, MA 021551225602105
  46. Eugene ChanBoston, MA 021151811181365
  47. Nancy Chan, M.D.Attleboro, MA 027031801932462
  48. Raymond Chan, M.D.Boston, MA 022151932400264
  49. Zita Chan, MDBoston, MA 021181992407639
  50. Jyotirmay Chanda, MDWinchester, MA 018901396729224

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.