NPPES file of Aug 9, 2026

Internal Medicine Physician in Connecticut

2,623 NPPES records list internal medicine physician with a practice address in Connecticut, 73 per 100,000 residents, the 4th highest rate of 51. New Haven and Hartford have the most; each record links to the provider's NPI and the Connecticut license search. Page 48 of 53.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

New Haven has the most, 329

Internal Medicine Physician records in Connecticut

  1. John Testa, MDProspect, CT 067121609835735
  2. Jeanette Tetrault, MDNew Haven, CT 065111003841321
  3. Nisarg Thakker, MB,BSBridgeport, CT 066101487263497
  4. Sanket Thakore, M.D.New Haven, CT 065101023450988
  5. Shilpa Thakur, MDHartford, CT 061561326014341
  6. Varshitha Thanikonda, MBBSNew Haven, CT 065111841789203
  7. Rashmi Thatte, M.D.New Britain, CT 060521801120746
  8. Ananthakumar Thillainathan, MDStratford, CT 066141285900621
  9. Sudha Thiruvengadam, MDDerby, CT 064181639433832
  10. Aiswarya Thomas, M.D.Danbury, CT 068101841584026
  11. Jared Thomas, MDNew Haven, CT 065111184289860
  12. Mary Thomas, MD, MPHNew Haven, CT 065101215556253
  13. Mathew Thomas, MDPlainville, CT 060621568543429
  14. Nelson ThomasNew Haven, CT 065101083356364
  15. Prem Thomas, MDHamden, CT 065171043223555
  16. Alison Thompson, M.D.Greenwich, CT 068301558741728
  17. David Thompson, MDNiantic, CT 063571477546455
  18. Michael Thompson, D.O.New Britain, CT 060521629462080
  19. Gerald Thornberg, DONew Britain, CT 060521073255196
  20. Patrice Thornton, MDNew Fairfield, CT 068121205824455
  21. William Thramann, M.D.West Hartford, CT 061191619282647
  22. Thien Tien, MDDanbury, CT 068101235699919
  23. Vadim Tikhomirov, MDDanbury, CT 068101982649836
  24. Svetlana Tikhomirova, MDDanbury, CT 068101689631467
  25. Elizabeth Tillman, M.D.West Haven, CT 065161326014630
  26. Harmandeep Tinna, M.D.New Haven, CT 065101881045359
  27. Kevin Titus, MDNew Haven, CT 065101205451945
  28. Aaron Joseph Tiu, M.D.New Haven, CT 065101659996601
  29. Lauren Tobias, M.D.New Haven, CT 065191497939680
  30. Daniel Tobin, MDNew Haven, CT 065111942283171
  31. Timothy Tobin, MDEssex, CT 064261184669566
  32. Henry Todd, M.D.Plainville, CT 060621699066951
  33. Lynne Todd, M.D.New Britain, CT 060531144431602
  34. Ahmed Toheed, MDTorrington, CT 067901679181887
  35. John Toksoy, M. D.New Haven, CT 065201396773511
  36. Michael Toma, M.D.Southbury, CT 064881396985891
  37. Kiyoko Tomita, M.D.Greenwich, CT 068311194041947
  38. Nasim Toor, MDNew Britain, CT 060521528172855
  39. Peter Tortora, MDFairfield, CT 068241235190984
  40. Joseph Tortorello, M.D.Trumbull, CT 066111114974417
  41. Karine Toumanian, MDTrumbull, CT 066111306882675
  42. Katherine Tracy, M.D.Manchester, CT 060421245259068
  43. Todd Tracy, MDMilford, CT 064601780769919
  44. Michael Trager, MDCanaan, CT 060181811961014
  45. Sarah Trainor, MDWest Haven, CT 065161659936243
  46. Ralph Tremaglio, MDNaugatuck, CT 067701053360305
  47. Ralph Tremaglio, M.D.Danbury, CT 068101629205265
  48. Edward Tristine, M.DTrumbull, CT 066111881700631
  49. Cathrine Troy, MDStamford, CT 069051396847851
  50. Richard Truex, M.D.Wethersfield, CT 061091568473825

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Connecticut ranks 4 of 51 per resident

  1. District of Columbia133
  2. Massachusetts97
  3. Rhode Island94
  4. Connecticut73
  5. Maryland63
  6. Hawaii63
  7. 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.

81.2% 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. Connecticut81.2%
  2. United States78.7%

Internal Medicine Physician records in Connecticut, measured

  • In a Medicare file2,130 of 2,623 · 81.2% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,648 · 62.8% here, 61.4% nationally
  • Not updated in five years or more1,605 · 61.2% here, 55.4% nationally
  • Median graduation year2004 · the 1,646 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

2,623 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Connecticut: 73 per 100,000 residents against 44 nationally (50 states and D.C.). New Haven has 329 of them (13%).

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. Minnesota2,632
  2. Missouri2,604
  3. Tennessee2,596
  4. Arizona2,853

States with a similar rate per 100,000

  1. Maryland63.2
  2. Hawaii62.9
  3. New York61.7
  4. Delaware58.1

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.