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 28 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. Zhou Li, MBBSNorwalk, CT 068501679094833
  2. Eric Liben, MDNorth Haven, CT 064731336183888
  3. Mariano Librojo, M.D.Norwich, CT 063601689867533
  4. Charles Licata, DOBristol, CT 060101538172523
  5. Peter Licht, M.D.Newtown, CT 064701841267457
  6. Steven Lieu, DOMeriden, CT 064511629001300
  7. Richard Lifton, M.D.New Haven, CT 065191689922650
  8. Shin Lin, M.D.West Haven, CT 065161598930943
  9. Michael Lindberg, M.D.Hartford, CT 061021851494868
  10. Robert Lindberg, M.D.Darien, CT 068201295897973
  11. Robert Linden, MDNew Haven, CT 065111841283736
  12. Meredith Lindner, DOEssex, CT 064261942616826
  13. Juan Paolo Lirio, MDNorwalk, CT 068501124282025
  14. Jonathan Lis, MDWaterbury, CT 067081528558939
  15. Kristine Lisi, MDBridgeport, CT 066061477588754
  16. Ted Listokin, M.D.Stamford, CT 069021144395716
  17. Carla Lituma Lopez, MDBristol, CT 060101063288934
  18. Kenneth Litwin, M.D.Sandy Hook, CT 064821073570842
  19. Weitao Liu, MDNew Haven, CT 065101710583927
  20. Zhenxiang Liu, MDNorwich, CT 063601215115472
  21. David Lloyd, MDNew Britain, CT 060521093169617
  22. David Lo, M.D.Stamford, CT 069021841602273
  23. Caroline Lodato, MDGreenwich, CT 068301609075324
  24. Vidya Loganathan, M.D.Waterbury, CT 067051780782953
  25. Emmanuel Logiadis, MDTrumbull, CT 066111801874474
  26. Amed Logrono, MDNew Haven, CT 065101942737119
  27. David Loiewski, D.O.Winsted, CT 060981811089873
  28. Tess Lombard, MDWaterbury, CT 067021710999198
  29. Amor Lomibao, MDTorrington, CT 067901760495683
  30. Raymond London, MDSouth Windsor, CT 060741144233065
  31. Theodore Long, M.D.New Haven, CT 065101265757454
  32. Frank Longo, M.D.Naugatuck, CT 067701528171295
  33. Antonio Lopez, M.D.North Haven, CT 064731063492536
  34. Mabel Lopez, MDWaterbury, CT 067061720668098
  35. Maria Lourdes Lorenzo, M.D.Hartford, CT 061141396039855
  36. Wynee Lou, D.O.Farmington, CT 060321780022749
  37. David Louisia, MDDanbury, CT 068101003475971
  38. Esther Lu, MDNew Haven, CT 065101013122258
  39. Steven Lu, M.D.New London, CT 063201568460186
  40. Fnu Lubaina, MBBSHartford, CT 061021689297608
  41. Dawn LukoseTrumbull, CT 066111013449487
  42. Amy Lunding, M.D.Hartford, CT 061061215170444
  43. Christopher Luthi, MDMilford, CT 064601518100072
  44. Natasha LyallNorwalk, CT 068501669091641
  45. Barbara Mackintosh, MDWest Haven, CT 065161740342013
  46. Maher Madhoun, MDStamford, CT 069021790731768
  47. Uma Madhusudana, MDManchester, CT 060401447571708
  48. Tanya Madrid, MDStamford, CT 069021578553707
  49. Adelaida Magallanes, MDGreenwich, CT 068301720460173
  50. Nirmalamma Magavi, MDDanbury, CT 068101023040615

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.