NPI Central

Levothyroxine (Synthroid, Levoxyl) Prescribers in Connecticut

Ranked by documented Medicare Part D claim volume (2024).

3,263 providers in Connecticut have Medicare Part D claims for levothyroxine. Ordering reflects documented Part D claim volume — a transparency signal, not a quality or "best" ranking. Open any provider for their full profile and what they prescribe under Medicare.

Prescribers in CT
3,263
Data year
2024
Registry vintage
June 2026

levothyroxine prescribers in Connecticut

Ranked by Part D claim volume.
  1. 1

    Internal Medicine Physician · Wolcott, CT

    3,757 Medicare Part D claims (2024)

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  2. 2

    Endocrinology, Diabetes & Metabolism Physician · New Haven, CT

    2,260 Medicare Part D claims (2024)

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  3. 3

    Family Medicine Physician · Wallingford, CT

    2,160 Medicare Part D claims (2024)

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  4. 4

    Internal Medicine Physician · Enfield, CT

    2,132 Medicare Part D claims (2024)

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  5. 5

    Endocrinology, Diabetes & Metabolism Physician · Hartford, CT

    1,950 Medicare Part D claims (2024)

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  6. 6

    Geriatric Medicine (Internal Medicine) Physician · Hartford, CT

    1,904 Medicare Part D claims (2024)

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  7. 7

    Internal Medicine Physician · Canton, CT

    1,803 Medicare Part D claims (2024)

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  8. 8

    Geriatric Medicine (Internal Medicine) Physician · Hartford, CT

    1,732 Medicare Part D claims (2024)

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  9. 9

    Internal Medicine Physician · Sandy Hook, CT

    1,675 Medicare Part D claims (2024)

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  10. 10

    Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

    1,630 Medicare Part D claims (2024)

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  11. 11

    Endocrinology, Diabetes & Metabolism Physician · Storrs, CT

    1,542 Medicare Part D claims (2024)

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  12. 12

    Endocrinology, Diabetes & Metabolism Physician · New Haven, CT

    1,527 Medicare Part D claims (2024)

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  13. 13

    Endocrinology, Diabetes & Metabolism Physician · Bloomfield, CT

    1,508 Medicare Part D claims (2024)

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  14. 14

    Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

    1,431 Medicare Part D claims (2024)

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  15. 15

    Internal Medicine Physician · South Windsor, CT

    1,423 Medicare Part D claims (2024)

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  16. 16

    Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

    1,414 Medicare Part D claims (2024)

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  17. 17

    Family Medicine Physician · Stamford, CT

    1,410 Medicare Part D claims (2024)

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  18. 18

    Hospice and Palliative Medicine (Family Medicine) Physician · Danielson, CT

    1,409 Medicare Part D claims (2024)

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  19. 19

    Internal Medicine Physician · Milford, CT

    1,348 Medicare Part D claims (2024)

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  20. 20

    Internal Medicine Physician · Cos Cob, CT

    1,343 Medicare Part D claims (2024)

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  21. 21

    Internal Medicine Physician · Fairfield, CT

    1,311 Medicare Part D claims (2024)

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  22. 22

    Internal Medicine Physician · Trumbull, CT

    1,305 Medicare Part D claims (2024)

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  23. 23

    Endocrinology, Diabetes & Metabolism Physician · Manchester, CT

    1,298 Medicare Part D claims (2024)

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  24. 24

    Internal Medicine Physician · Milford, CT

    1,298 Medicare Part D claims (2024)

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  25. 25

    Endocrinology, Diabetes & Metabolism Physician · New Haven, CT

    1,277 Medicare Part D claims (2024)

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  26. 26

    Internal Medicine Physician · Norwich, CT

    1,275 Medicare Part D claims (2024)

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  27. 27

    Endocrinology, Diabetes & Metabolism Physician · Ansonia, CT

    1,272 Medicare Part D claims (2024)

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  28. 28

    Geriatric Medicine (Internal Medicine) Physician · New Haven, CT

    1,219 Medicare Part D claims (2024)

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  29. 29

    Specialist · Greenwich, CT

    1,210 Medicare Part D claims (2024)

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  30. 30

    Internal Medicine Physician · West Haven, CT

    1,184 Medicare Part D claims (2024)

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  31. 31

    Endocrinology, Diabetes & Metabolism Physician · Pawcatuck, CT

    1,160 Medicare Part D claims (2024)

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  32. 32

    Internal Medicine Physician · Waterbury, CT

    1,114 Medicare Part D claims (2024)

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  33. 33

    Endocrinology, Diabetes & Metabolism Physician · Avon, CT

    1,103 Medicare Part D claims (2024)

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  34. 34

    Internal Medicine Physician · Manchester, CT

    1,102 Medicare Part D claims (2024)

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  35. 35

    Internal Medicine Physician · Greenwich, CT

    1,082 Medicare Part D claims (2024)

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  36. 36

    Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

    1,075 Medicare Part D claims (2024)

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  37. 37

    Endocrinology, Diabetes & Metabolism Physician · Middletown, CT

    1,075 Medicare Part D claims (2024)

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  38. 38

    Endocrinology, Diabetes & Metabolism Physician · Torrington, CT

    1,065 Medicare Part D claims (2024)

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  39. 39

    Endocrinology, Diabetes & Metabolism Physician · Norwich, CT

    1,035 Medicare Part D claims (2024)

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  40. 40

    Endocrinology, Diabetes & Metabolism Physician · New Haven, CT

    1,015 Medicare Part D claims (2024)

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  41. 41

    Internal Medicine Physician · Danbury, CT

    1,011 Medicare Part D claims (2024)

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  42. 42

    Internal Medicine Physician · Bloomfield, CT

    1,009 Medicare Part D claims (2024)

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  43. 43

    Endocrinology, Diabetes & Metabolism Physician · Norwalk, CT

    1,006 Medicare Part D claims (2024)

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  44. 44

    Internal Medicine Physician · Enfield, CT

    1,006 Medicare Part D claims (2024)

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  45. 45

    Endocrinology, Diabetes & Metabolism Physician · New London, CT

    1,004 Medicare Part D claims (2024)

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  46. 46

    Internal Medicine Physician · Stratford, CT

    999 Medicare Part D claims (2024)

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  47. 47

    Internal Medicine Physician · Newington, CT

    981 Medicare Part D claims (2024)

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  48. 48

    Endocrinology, Diabetes & Metabolism Physician · Cheshire, CT

    967 Medicare Part D claims (2024)

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  49. 49

    Endocrinology, Diabetes & Metabolism Physician · Trumbull, CT

    963 Medicare Part D claims (2024)

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  50. 50

    Internal Medicine Physician · Wethersfield, CT

    962 Medicare Part D claims (2024)

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Medicare Part D only. Counts and ordering reflect Medicare Part D claims (2024) from CMS — they exclude cash-pay, commercial, and Medicaid prescriptions and undercount cash-pay categories (e.g. GLP-1 weight-loss, testosterone). Not a quality or "best" ranking. Absence does not mean a provider does not prescribe levothyroxine. Source: CMS NPPES (June 2026).