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 26 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. John Copanos, M.D.Winchester, MA 018901033282272
  2. Maria Copello, M.D.Jamaica Plain, MA 021301134151962
  3. William Corbett, M.D.Worcester, MA 016051033192778
  4. Ryan Corcoran, MD, PHDBoston, MA 021141508993957
  5. Teresa Corcoran, MDHarwich Port, MA 026461093880411
  6. Nicholas Cordella, MDBoston, MA 021181528403250
  7. Anthony Cordova, MD, PHDBoston, MA 021151679262539
  8. Kathryn Corelli, MDBoston, MA 021151306336672
  9. Joseph Corkery, MDBurlington, MA 018051356440762
  10. Nancy Corliss, MDWellesley, MA 024811699763482
  11. Diana Cornell, MDBoston, MA 021141497135644
  12. Suzanne Corrado, MDFalmouth, MA 025401902816861
  13. Ronaldo Correa Fabiano Filho, MDBoston, MA 021151649853102
  14. Christian Correia, M.D.Framingham, MA 017011104866631
  15. Gail Corson, MDLexington, MA 024211750314563
  16. Alice Cort, M.D.Boston, MA 021141629127279
  17. Chadi Cortas, MDBoston, MA 021151174782114
  18. Kristen Cortes, FNP-CAttleboro, MA 027031477479566
  19. Jeffrey Cossin, MDSpringfield, MA 011071740297407
  20. Mark Costa, MDWaban, MA 024681912997420
  21. Joseph Costagliola, M.D.Wilmington, MA 018871972507242
  22. Gerard Coste, MDCambridge, MA 021391598830499
  23. Cody CotnerBoston, MA 021151962089987
  24. Nina Cotran, M.D.Chestnut Hill, MA 024671104883321
  25. Eric Cotter, MDLeominster, MA 014531114013216
  26. Martin Cotti, MDMashpee, MA 026491912496209
  27. Paul Coutu, MDBrockton, MA 023011114911757
  28. Evelyn Coves-DatsonBoston, MA 021151174102529
  29. Robert Covett, D.O.Brockton, MA 023021689607079
  30. Michele Coviello, MDNorwood, MA 020621558441105
  31. Shiavax Cowasji, M.D.Worcester, MA 016051679603617
  32. Kristin Cox, MDBoston, MA 022151619134368
  33. Cormac Coyle, MDHyannis, MA 026011023030053
  34. Arthur Crago, MDHyannis, MA 026011851340475
  35. Jane Craig, M.D.Harwich, MA 026451952461402
  36. Lindsay Crampton, M.D.Pittsfield, MA 012011841236197
  37. Robert Crausman, M.D.Fall River, MA 027211790880490
  38. Betsey Crawford, M.D.Burlington, MA 018031629174859
  39. Damian Crawford, M.D.Boston, MA 021181063686327
  40. Jeralyn Cremone, MDWest Roxbury, MA 021321194711739
  41. Gwen Crevensten, M.D.Boston, MA 021141811188931
  42. Ronald Criscitiello, M.DArlington, MA 024741114027091
  43. J Crocker, MDBoston, MA 021141063402790
  44. Jonathan Crocker, MDBoston, MA 022151902855323
  45. Jennifer Crombie, M.D.Boston, MA 021151649533860
  46. Jon Cronin, M.D.Milton, MA 021861326085523
  47. Sondra Crosby, M.D.Boston, MA 021181275599847
  48. Julie Crosson, M.D.Dorchester, MA 021221457317935
  49. Peter CrossonHyannis, MA 026011952481095
  50. Jenna Crowe, D.O.Burlington, MA 018051700142213

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.