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 30 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. Darren Martin, MDHartford, CT 061201982823381
  2. Michael Martin, MDSouth Windsor, CT 060741952364341
  3. Ralph Martin, MDHartford, CT 061051760484083
  4. Walter Martin, M.D.Higganum, CT 064411619944600
  5. Charles Marvil, MDNew Haven, CT 065101639820012
  6. Jessica MaryMeriden, CT 064511356084347
  7. David Maslak, MDDerby, CT 064181477916179
  8. Shihab Masrur, M.D.Hartford, CT 061021861623431
  9. Shahena Master, D.O.Windsor, CT 060951174522973
  10. Alicia Masucci, MDNew Canaan, CT 068401992333777
  11. Litty Mathews, M.DWest Hartford, CT 061191164955787
  12. Ken Matsuo, MDWaterbury, CT 067061053600429
  13. Paul Matty, MDDayville, CT 062411255493698
  14. Kulsoom Maudoodi, M.D.Enfield, CT 060821104180926
  15. Anne Mauks, M.D.Danbury, CT 068101427044569
  16. Kathleen Mauks, M.D.Danbury, CT 068101629064035
  17. Kathleen Maurer, MDFarmington, CT 060301548585581
  18. Mark Mauriello, M.D.Wallingford, CT 064921255627618
  19. Joycelyn Maw, M.D.Middlebury, CT 067621629166574
  20. Donald Maxwell, MDBloomfield, CT 060021740235282
  21. Jeanine May, APRNNew Haven, CT 065111922043637
  22. Susan MayaNew Haven, CT 065111912324005
  23. Marcus Mayus, M.D.Greenwich, CT 068301073734935
  24. Kathryn Mazza, D.O.Guilford, CT 064371497196471
  25. Gerald McAuliffe, M.D.New Britain, CT 060511710986377
  26. Mitchell McClure, M.D.Hartford, CT 061021245442284
  27. Candi McCulloch, MDWaterford, CT 063851295099372
  28. Joseph McCullough, MDWaterbury, CT 067061861803025
  29. Edward McDermott, M.D.Groton, CT 063401356324008
  30. Sean McGrade, M.D.Bethel, CT 068011346205770
  31. Donna McHugh, M.D.Winsted, CT 060981518949536
  32. David McIntosh, M.D.Kent, CT 067571811976699
  33. Katherine McKenzie, MDNew Haven, CT 065191366425423
  34. Elizabeth McKinnis, M.D.Fairfield, CT 068241659628915
  35. Bianca McLean, MDNew Haven, CT 065101851034771
  36. Marsha-Marie McLeod, MD, M.B.B.SManchester, CT 060401578201364
  37. Charles McNair, MDWoodbury, CT 067981265405963
  38. Cynthia McNamara, MDWest Haven, CT 065161144331166
  39. Emily McNeill, MDNew Haven, CT 065101558001917
  40. Walter McPhee, MDWillimantic, CT 062261144229113
  41. William McQueen, MDSouthington, CT 064891376594531
  42. Roberto Medina, MDWethersfield, CT 061091215977855
  43. Thomas Meehan, M.D.Danbury, CT 068101750301958
  44. Barry Melton, MDStratford, CT 066141255380267
  45. Avery Meltzer, MDWest Haven, CT 065161477297869
  46. Roberta Meltzer, MDTorrington, CT 067901659425536
  47. Mohammed Memon, M.D.Wethersfield, CT 061091609826668
  48. Jacques Mendelsohn, MDRocky Hill, CT 060671861416703
  49. Cerrah Mendelsohn-Elzam, M.D.Greenwich, CT 068311568679736
  50. Nandini Menon, M.DBristol, CT 060101093120610

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.