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 12 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. William Delaney, MDDanbury, CT 068101942387634
  2. Eva DelappeNew Haven, CT 065101487238200
  3. Federico Andres Delgado Hernandez, MDBridgeport, CT 066061922661412
  4. Frank Delli Carpini, M.D.Ridgefield, CT 068771316272545
  5. Joseph Deluca, M.D.Middlebury, CT 067621629090071
  6. David Delucia, MDWaterbury, CT 067081285788786
  7. John Delvalle, M.D.New Britain, CT 060531437168960
  8. John Delvecchio, MDGreenwich, CT 068301619990868
  9. Roberta Delvy, MDMilford, CT 064601932803053
  10. Howard DembinMonroe, CT 064681841872231
  11. Mary Ann Demetrius, MDWest Haven, CT 065161295830966
  12. Arzu Demirci, M.D.Bloomfield, CT 060021669792354
  13. Marvin Den, M.D.Norwalk, CT 068511659363356
  14. Samir Dengle, M.D.Waterbury, CT 067061346602976
  15. Samuel Dengler, M.D.New London, CT 063201376993618
  16. Jill Denowitz, M.D.Westport, CT 068801215013941
  17. Albert Denuzzio, MDNewington, CT 061111447358056
  18. Aida Dervisevic, M.D.Danbury, CT 068101215945803
  19. Uday Desai, M.D.Stamford, CT 069051124122148
  20. Vincent Desantis, MDBristol, CT 060101972063741
  21. Michael Deshaies, DOGlastonbury, CT 060331376648634
  22. Aartee Deshpande, MDDerby, CT 064181306280904
  23. Garumuni Desilva, M.D.Hamden, CT 065181275539892
  24. Kismatkumar Detroja, MDMiddletown, CT 064571497774657
  25. Paul Deutsch, MD, RPHNorwich, CT 063601811990013
  26. Bindu Dey, MDBeacon Falls, CT 064031629013503
  27. Sudipta Dey, M.D.Beacon Falls, CT 064031538103833
  28. Nisha Dhanabalsamy, MBBSHartford, CT 061021003349960
  29. Aaras Dharia, MDNew Britain, CT 060521740741198
  30. Dinusha Dharmaratna, MBBSDanbury, CT 068101669112645
  31. Sonia Dhillon, M.D.Farmington, CT 060301043577323
  32. Abhay Dhond, MDNew Haven, CT 065111669424669
  33. Mukta DhondWest Haven, CT 065161235541277
  34. Vivek Dhungana, MDDerby, CT 064181467805598
  35. Ivette Diaz, M.D.Brookfield, CT 068041134109374
  36. Oliver Diaz, M.D.Bristol, CT 060101124037312
  37. Paula Dibo, MDDayville, CT 062411922536226
  38. Gail Dickinson, M.D.S Woodstock, CT 062671336155118
  39. Luis Diez-Morales, MDHartford, CT 061051205838513
  40. Maria Digiovanni, M.D.Stamford, CT 069021891874251
  41. Sylvester Dijeh, MDBridgeport, CT 066101750532883
  42. Edward Dill, M.D.Guilford, CT 064371700886587
  43. Jennifer Dilungo, PA-CNorth Haven, CT 064731972649812
  44. Ann Celeste Dimaya, M.D.East Haven, CT 065121295994721
  45. Yuewen Ding, MDNew Britain, CT 060521659878593
  46. Christopher Dipollina, DONew Britain, CT 060521346879616
  47. George Disesa, MDNew Haven, CT 065101255835393
  48. Peter Dixon, M.D.Essex, CT 064261578750808
  49. Santosh Doddamane, DOWallingford, CT 064921669491775
  50. Robert Dodenhoff, M.D.New Britain, CT 060511710989025

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.