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 51 of 53.

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).

New Haven has the most, 329

  1. New Haven329
  2. Hartford169
  3. Stamford131
  4. Bridgeport130
  5. Waterbury119

Internal Medicine Physician records in Connecticut

  1. Clara Warden, MDNew Haven, CT 065101194475731
  2. Rebecca Warkol, MDOld Greenwich, CT 068701184820110
  3. Wayne Warren, M.D.New Haven, CT 065111447220496
  4. Jared Wasser, M.D., M.P.H.West Hartford, CT 061101528334695
  5. Mark Wasserman, MDNew Haven, CT 065191487680625
  6. Neil Wasserman, M.D.New Britain, CT 060511285621250
  7. Collin Watson, M.D.West Haven, CT 065161083896088
  8. Stephanie Watts, MBBSNew Haven, CT 065101275062085
  9. Aubre Weber, D.O.Ridgefield, CT 068771437479029
  10. Litchia Weber, MDStamford, CT 069021184852030
  11. Prabasha Weeraddana, M.DDanbury, CT 068101851975635
  12. Catherine Wegner Wippel, MDNew Haven, CT 065101174261333
  13. Xiaofei WeiNorwalk, CT 068511043442148
  14. Richard Wein, MDWallingford, CT 064421255341319
  15. Jeffrey Weinberger, MDRiverside, CT 068781831106228
  16. Shari Weisenfeld, MDMilford, CT 064601306831714
  17. Lisa Weisinger, M.D.New Haven, CT 065111891095188
  18. Benjamin Weisman, M.D.Bridgeport, CT 066061427053073
  19. Ruth Weissberger, MDNew Haven, CT 065111255365326
  20. Murray Wellner, MDWest Hartford, CT 061071508887290
  21. Robert Welsch, MDEast Lyme, CT 063331720061906
  22. Scott Welsh, M.D.Middletown, CT 064571215907167
  23. John Wenceslao, MDBloomfield, CT 060021740203868
  24. Diane Wenick, MDDanbury, CT 068101801853684
  25. Robert Wenick, M.D.Bethel, CT 068011508820598
  26. Lee Wesler, MDDayville, CT 062411982766325
  27. Edmund West, MDMystic, CT 063551154347250
  28. Richard Westfal, M.D.New Canaan, CT 068401528166824
  29. Patricia Wetherill, M.D.Norwalk, CT 068501538316468
  30. Joseph Whalen, FNP-CNewington, CT 061111396501326
  31. Kathleen White, M.D.Hamden, CT 065181457326688
  32. Mary WhiteNew Haven, CT 065101124602016
  33. Lacey Whitmire, MDNew Haven, CT 065191962847780
  34. Cornelius Wickersham, M.D.Waterbury, CT 067021104893650
  35. Thilan Wijesekera, M.D.New Haven, CT 065101417392333
  36. Richard Wilcon, M.D.Moosup, CT 063541982627188
  37. Dorothea Wild, M.D.Derby, CT 064181912989187
  38. Gail Wilder, M.D.Trumbull, CT 066111093144693
  39. Tracey Wiles, DOTorrington, CT 067901396899282
  40. Joel Wilken, DOHartford, CT 061021720079353
  41. Dorothy Williams, M.D.New Fairfield, CT 068121962439794
  42. Jessie Williams, M.D.Milford, CT 064601558361402
  43. Martin Williams, MDDanbury, CT 068101902863798
  44. Zack Williams, MDNew Britain, CT 060521861831505
  45. Robert Willig, M.D.Shelton, CT 064841467668178
  46. Leigh Wilson, DO MPHWallingford, CT 064921629225347
  47. Madeline Wilson, MDNew Haven, CT 065201871574152
  48. Robert Wilson, MDNorwalk, CT 068561922554682
  49. Banya Win, MDDerby, CT 064181043960206
  50. Donna Windish, MDWaterbury, CT 067081578537114

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.