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 27 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. Ralph Laguardia, M.D.Mansfield Center, CT 062501902805781
  2. Pallavi LakraWest Hartford, CT 061171083228134
  3. Si-Hoi Lam, M.D.Branford, CT 064051477574929
  4. Anthony Lamarca, MDWestport, CT 068801336105139
  5. Jean Christian Lamothe Flores, MDNew London, CT 063201538891601
  6. Leslie LampteyBridgeport, CT 066061508208232
  7. Marie Louies Lamsen, M.D.Danbury, CT 068101982975710
  8. Fausto Lanao, MDWaterbury, CT 067081801844675
  9. Thomas Lane, MDNew Britain, CT 060521831176767
  10. Carolyn Langelier, M.D.Darien, CT 068201780930933
  11. Eric Lao, MDSouth Windsor, CT 060741801878681
  12. Benjamin Larsen, DODerby, CT 064181780333690
  13. Jessie Larson, M.D.Killingworth, CT 064191902253701
  14. David Lastomirsky, M.D.Fairfield, CT 068241598707762
  15. Max Lataillade, M.D.Greenwich, CT 068301245346824
  16. Muhammad LatifNew Haven, CT 065101417575192
  17. Haklai Lau, MDNew Britain, CT 060521730136631
  18. Denise Lautenbach, MDNew Canaan, CT 068401174620694
  19. Erin Lawlor, DONew Britain, CT 060521437610854
  20. David Lawrence, MDWinsted, CT 060981306852736
  21. Fraser LawrenceGuilford, CT 064371295084770
  22. Kendra Lawrence, MDNewington, CT 061111861415762
  23. Lazaros Lazarides, M.D.New Haven, CT 065151619958899
  24. Maura Le, M.D.Branford, CT 064051346515657
  25. Charles Leach, MDGlastonbury, CT 060331720091788
  26. Arthur Lebowitz, M.D.Thomaston, CT 067871205851169
  27. Yitzchok Lederman, MDFarmington, CT 060301619473253
  28. John Lee, M.D.Meriden, CT 064511326574310
  29. Justine Lee, M.D.Stamford, CT 069021407292980
  30. Marisa Lee Kim, M.D.Bristol, CT 060101144670639
  31. Suzanne Lefebvre, M.D.Kent, CT 067571255310033
  32. Rafael Lefkowitz, M.D.New Haven, CT 065101578715033
  33. Marc Legris, M.D.Norwalk, CT 068501114935723
  34. Kathryn Leinhardt, M. D.New Haven, CT 065201558302513
  35. Matthew LempelWaterbury, CT 067081881182467
  36. Aurora Teresa Leon Conde, M.D.Willimantic, CT 062261245524289
  37. Nilda Leon-Smith, MDNew Haven, CT 065131992807937
  38. Christian Leonardi, D.O.New Milford, CT 067761134112824
  39. Donald Leone, M.D.Wilton, CT 068971295727782
  40. Vincent Leone, M.D.Southington, CT 064891073532339
  41. Rene Lerer, M.D.Avon, CT 060011982826616
  42. Wayne Levin, MDBridgeport, CT 066061568473494
  43. Ronald Levine, MDCos Cob, CT 068071154473817
  44. Susan Levine, MDFarmington, CT 060301174632988
  45. Peter Levinson, M.D.Middlebury, CT 067621881612851
  46. Jody Lewinter, MDWest Hartford, CT 061171376520858
  47. Jennifer Lewis, NURSE PRACTITIONERNew Britain, CT 060511487421384
  48. Jeremiah Lewis, M.D.Wilton, CT 068971497747968
  49. Emily Li, M.D.,Manchester, CT 060401144386541
  50. Weiming Li, M.D.Ridgefield, CT 068771912968090

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.