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 53 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. Richard Zangrillo, MDTrumbull, CT 066111598758682
  2. Flora Zarcu-Power, MDMilford, CT 064601790716736
  3. Joel Zaretzky, M.D.Ansonia, CT 064011285621433
  4. Matthew Zaringhalam, MDNewington, CT 061111558891531
  5. Constantine Zariphes, MDManchester, CT 060401992788970
  6. Michael Zarrella, MDWaterbury, CT 067061528760683
  7. Sergey Zasypayko, M.DBranford, CT 064051992961775
  8. Stephen Zebrowski, M.D.Plainville, CT 060621730199274
  9. Matthew Zegarek, M.D.West Haven, CT 065161811333222
  10. Ang Zhang, D.O.Wallingford, CT 064921003282427
  11. Emily-Rose Zhou, MDNew Haven, CT 065101063108975
  12. Tracey Zhu, MDNew Haven, CT 065111023047990
  13. Anna Zielinska, M.D.Norwalk, CT 068501922354497
  14. Anna Zimmerman, M.D.West Haven, CT 065161942689682
  15. Chloe ZimmermanNew Haven, CT 065101568027431
  16. Eva Zimmerman, MDWestport, CT 068801366008740
  17. Jonathan Zimmerman, MDGreenwich, CT 068301609856897
  18. Natalie Zolotareva, DONew Britain, CT 060521104405745
  19. Michael Zucker, MDStamford, CT 069051225140874
  20. James Zumpano, M.D.Branford, CT 064051437141363
  21. Michelle Zur, DOHartford, CT 061021851911846
  22. Magdalena Zuzek, M.D.Bridgeport, CT 066101487113395
  23. Richard Zweig, MDBristol, CT 060101477548451

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.