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 34 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. Ellen Nestler, M.D.Hartford, CT 061121427060805
  2. Santi Neuberger, M.D.Stamford, CT 069051013024736
  3. Rebecca Newell, MDWaterbury, CT 067061881620268
  4. Rebecca Newman, M.D.Stamford, CT 069021548481740
  5. Benjamin Newton, M.D.Waterford, CT 063851265520191
  6. Kenneth Newton, MDNaugatuck, CT 067701194799700
  7. Giac Chan Nguyen Tan, M.D.Waterbury, CT 067081962585042
  8. Julian Nieves, MDFarmington, CT 060301649225269
  9. Sushant Niroula, MDHartford, CT 061021134733884
  10. Jacqueline Nissen, MDFarmington, CT 060301053318618
  11. Leilani Nixon, MDPlainfield, CT 063741861577587
  12. Edwin Njoku, M.D.East Hartford, CT 061081568428449
  13. William Nkemdirim, MDWethersfield, CT 061091720656994
  14. Elodie Nofiele, M.D.Danbury, CT 068101346495751
  15. Ilya Noginskiy, MDPutnam, CT 062601831658699
  16. Timothy Nolan, MDGlastonbury, CT 060331922798487
  17. Emily Nolfo, MDGuilford, CT 064371417971920
  18. Naomi Nomizu, M.D.New London, CT 063201780681833
  19. Beenish Noor, M.DHartford, CT 061021073860169
  20. Aiste Norberg, MDBurlington, CT 060131922095793
  21. Kenneth Nori, MDTrumbull, CT 066111134283195
  22. Katelyn Norman, M.D.Waterbury, CT 067081194259408
  23. George Northrop, MDDanbury, CT 068101760497432
  24. Jeffrey Norwood, M.D.Meriden, CT 064511891961413
  25. Lisandra Nunez Cuello, MDDanbury, CT 068101497333256
  26. Amna Nusrat, MDHartford, CT 061021356069025
  27. Kasiemobi Nwaedozie, MDDanbury, CT 068101205400611
  28. Belinda Nwagbara, MDFarmington, CT 060301750844288
  29. Chioma Nwokolo Nwangwu, MDWest Haven, CT 065161073674545
  30. Adwoa Nyanin, MDMeriden, CT 064511487626065
  31. James O'Connell, MDNorwalk, CT 068501669443214
  32. Ryan O'Connell, MDBridgeport, CT 066061487618369
  33. Carolyn O'Connor, MDSouthbury, CT 064881851328413
  34. Jaclyn O'Connor, MDBridgeport, CT 066101588026173
  35. Lisa O'Donovan, MDNewington, CT 061111194380949
  36. Stephen O'Mahony, MDNorwalk, CT 068501144291162
  37. Susan O'Malley, M.D.Madison, CT 064431336586502
  38. Daniel O'Neill, M.D.Putnam, CT 062601972578508
  39. Darren O'Neill, M.D.Enfield, CT 060821861434607
  40. Michael O'Neill, M.D.Fairfield, CT 068241356873319
  41. Eileen O'Regan, MDCheshire, CT 064101932273299
  42. Ada Obidike, M.D.Norwalk, CT 068501366722399
  43. James Ocampo, MDGlastonbury, CT 060331720221344
  44. Mario Ochoa Prieto, M.D.New Haven, CT 065131407206295
  45. Lisa Ochola-Tinker, M.D.Middletown, CT 064571053390179
  46. Patrick Oconnor, MDNew Haven, CT 065191689657819
  47. Angeles Ocson-Belleza, MDWoodbridge, CT 065251386907368
  48. Edosa Odaro, M.DBridgeport, CT 066101275849135
  49. Onyechela Ogbonna, M.DHartford, CT 061021508193137
  50. Nneka OgbutorTrumbull, CT 066111386265445

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.