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 123 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. Harun Thimmiah, MDWorcester, MA 016551730684945
  2. Aneetha ThirumalaiWorcester, MA 016051396881967
  3. Adeleke Thomas, MDSpringfield, MA 011041225087638
  4. Ajith Thomas, MDBoston, MA 021141629765847
  5. Chloe Thomas, MDBoston, MA 021181801422720
  6. Erin Thomas, MDWorcester, MA 016551922561893
  7. H. Thomas, M.D.Boston, MA 021991609828318
  8. Holly Thomas, M.D.Braintree, MA 021841114020328
  9. Jancy Thomas, MDLeominster, MA 014531457334187
  10. Linie Thomas, D.O.Springfield, MA 011071427066190
  11. Samuel Thomas, DOWorcester, MA 016051114584455
  12. Sheena Thomas, M.D.Auburndale, MA 024661124256680
  13. Susan Thomas, MDTaunton, MA 027801972513950
  14. Sydney Thomas, MDBoston, MA 021111326842121
  15. Vinod Thomas, MDPlainville, MA 027621598995045
  16. Candace Thompson, D.O.Gloucester, MA 019301013969906
  17. Jane Thompson, M.D.Lawrence, MA 018431194720904
  18. Ryan Thompson, MDBoston, MA 021141023145489
  19. Anne Thorndike, MDBoston, MA 021141043200231
  20. Mary Thorndike, M.D.Boston, MA 021151255472031
  21. Luanne Thorndyke, MDWorcester, MA 016551639128754
  22. Gisele Thornhill, M.D.Sharon, MA 020671861682908
  23. Margaret Threadgill, MD,MBABoston, MA 021141548610421
  24. Bhakti Thummar, M.B.B.S.Hyannis, MA 026011992449136
  25. Kalpna Thuraisamy, DOHyannis, MA 026011245315290
  26. Anna Thurmayr, MDSpringfield, MA 011441356311179
  27. Alla Tibbetts, M.D., D.O.Burlington, MA 018051386807329
  28. Richard Tibbetts, M.D.Worcester, MA 016551295096501
  29. Luis Ticona, M.D.Boston, MA 021181255693305
  30. Charles Tifft, M.D.Boston, MA 021161740233063
  31. Pragati Tikoo, M.D.Newton, MA 024581528368420
  32. Arno Tilles, MDCambridge, MA 021421528136827
  33. Dan Tilles, M.D.Concord, MA 017421912964321
  34. Regine Tillmanns, MDMelrose, MA 021761417981960
  35. Nicole Tilluckdharry, M.D.Boston, MA 021111063677821
  36. Sambida Timilsina, MDSpringfield, MA 011071326600776
  37. Sanjay Timilsina, MDSpringfield, MA 011071043731011
  38. Anne Timmerman, MDCanton, MA 020211881610970
  39. Stephanie Tin, MDBurlington, MA 018051013545094
  40. David Ting, MDEverett, MA 021491306814744
  41. Laura Ting, M.D.Concord, MA 017421669835591
  42. Rodrigo Tirado, M.D.Cambridge, MA 021381578551958
  43. Ali Tirmizi, MDBrighton, MA 021351184618902
  44. Hadia Tirmizi, M.D.Waltham, MA 024531235124249
  45. Sandra Tirrell, M.D.Worcester, MA 016551679733794
  46. Mihaela Tiru, M.D.Springfield, MA 011071184800526
  47. Jai Juganya Tirupur Ponnusamy, MDFramingham, MA 017021235712886
  48. Julie Tishler, M.D.Roxbury, MA 021191093755530
  49. Lori Tishler, MDBoston, MA 021151609826114
  50. Megan Titas, M.D.Boston, MA 021181487820338

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.