NPPES file of Aug 9, 2026

Gastroenterology Physician in Connecticut

336 NPPES records list gastroenterology physician with a practice address in Connecticut, 9.3 per 100,000 residents, the 3rd highest rate of 51. New Haven and Farmington have the most; each record links to the provider's NPI and the Connecticut license search. Page 2 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0100X · 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, 73

  1. New Haven73
  2. Farmington21
  3. Hamden19
  4. Hartford19
  5. Danbury17

Gastroenterology Physician records in Connecticut

  1. Dean Chang, MDHamden, CT 065181770564247
  2. Louis Chaptini, MDNew Haven, CT 065101679663389
  3. Subin Chirayath, DONorwalk, CT 068501518525336
  4. Judy Cho, MDNew Haven, CT 065191326235425
  5. Catherine ChoiNew Haven, CT 065101437654142
  6. Priyanka Chugh, MDWaterbury, CT 067081700147915
  7. Chuhan Chung, MDNew Haven, CT 065191285610345
  8. Edmund Chung, MDMiddletown, CT 064571306804323
  9. Shang Lin ChungNew Haven, CT 065101275095028
  10. Donna Cipolla, MDGlastonbury, CT 060331508845306
  11. Gary Cohen, M.D.Meriden, CT 064511093738197
  12. Matthew Cohen, MDDerby, CT 064181548241490
  13. William Coll, MDTorrington, CT 067901275526469
  14. Tyson Collazo, M.D.Danbury, CT 068101801195565
  15. Louis Competiello, MDEnfield, CT 060821306949995
  16. Thomas Corredine, DOAvon, CT 060011417214214
  17. Teresa Da Cunha, MDHartford, CT 061061346806841
  18. Robert Dettmer, MDStamford, CT 069021679648281
  19. Jill Deutsch, MDNew Haven, CT 065101417299835
  20. Murali Dharan, M.D.Farmington, CT 060301740294313
  21. Janet Dickinson, MDMeriden, CT 064511942295449
  22. Michael Disiena, M.D.Torrington, CT 067901932593837
  23. John Dobbins, M.D.New Haven, CT 065101053452797
  24. Michael Dorfman, M.D.Branford, CT 064051164658555
  25. Jeffrey Dreznick, M.D.Ansonia, CT 064011902895436
  26. Karen Dufour, M.D.Orange, CT 064771609859842
  27. Michael Einstein, M.D.Hartford, CT 061061659339901
  28. Jon Ernstoff, M.D.Meriden, CT 064511598789653
  29. Scott Estabrook, M.D.Danbury, CT 068101225053051
  30. Thomas Feldman, MDFarmington, CT 060321366558983
  31. Samuel Feldshon, MDNew Haven, CT 065101861464547
  32. Gerald Fette, M.D.Derby, CT 064181043396112
  33. Paul Feuerstadt, M.D.Hamden, CT 065181386975928
  34. Lizabeth Fiedler, MDDanbury, CT 068111982634960
  35. Carlos Figueredo Alcala, MDNorwalk, CT 068501699252023
  36. Joseph Fiorito, M.D.Danbury, CT 068101730108010
  37. Rosemarie Fisher, MDNew Haven, CT 065101174507685
  38. Robin Forman Rose, D.O.Ridgefield, CT 068771336287515
  39. Gerald Franklin, MDDanbury, CT 068101184658528
  40. John Frese, M.D.New London, CT 063201457316382
  41. James Freston, M.D.Farmington, CT 060301184629875
  42. Jill Gaidos, MDNew Haven, CT 065101750598827
  43. Guadalupe Garcia Tsao, MDNew Haven, CT 065101194706416
  44. Joel Garsten, M.DWaterbury, CT 067081679521363
  45. Golam Gazi, M.D.Wethersfield, CT 061091427076330
  46. Jeffrey Gelwan, MDGlastonbury, CT 060331619071230
  47. Wolfram Goessling, MD PHDNew Haven, CT 065101083696298
  48. Steven Goldenberg, MDFarmington, CT 060301851495931
  49. Leslie Goldman, MDTorrington, CT 067901801880109
  50. Michael Golioto, MDHartford, CT 061061811091432

Source: CMS NPPES, primary taxonomy 207RG0100X: records by practice city and the list of records, file of Aug 9, 2026.

Connecticut ranks 3 of 51 per resident

  1. District of Columbia13.1
  2. Massachusetts9.8
  3. Connecticut9.3
  4. New York9.2
  5. Rhode Island8.8
  6. 50 states and D.C.6.2

Source: CMS NPPES, primary taxonomy 207RG0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

85.7% of these records appear in a Medicare file, against 84.4% 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. Connecticut85.7%
  2. United States84.4%

Gastroenterology Physician records in Connecticut, measured

  • In a Medicare file288 of 336 · 85.7% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file255 · 75.9% here, 73.7% nationally
  • Not updated in five years or more231 · 68.8% here, 55.6% nationally
  • Median graduation year2001 · the 255 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

336 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in Connecticut: 9.3 per 100,000 residents against 6.2 nationally (50 states and D.C.). New Haven has 73 of them (22%).

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. Colorado334
  2. Wisconsin340
  3. South Carolina303
  4. Indiana372

States with a similar rate per 100,000

  1. New York9.2
  2. Massachusetts9.8
  3. Rhode Island8.8
  4. Maryland8.2

The largest states

  1. California2,140
  2. New York1,797
  3. Florida1,513
  4. Texas1,478
  5. Pennsylvania1,049

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.