NPI Central

Levothyroxine (Synthroid, Levoxyl) Prescribers in Washington

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

7,199 providers in Washington 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 WA
7,199
Data year
2024
Registry vintage
June 2026

levothyroxine prescribers in Washington

Ranked by Part D claim volume.
  1. 1

    Endocrinology, Diabetes & Metabolism Physician · Seattle, WA

    2,382 Medicare Part D claims (2024)

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  2. 2

    Internal Medicine Physician · Mount Vernon, WA

    1,961 Medicare Part D claims (2024)

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  3. 3

    Family Nurse Practitioner · Federal Way, WA

    1,791 Medicare Part D claims (2024)

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  4. 4

    Adolescent Medicine (Family Medicine) Physician · University Place, WA

    1,454 Medicare Part D claims (2024)

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  5. 5

    Internal Medicine Physician · Longview, WA

    1,430 Medicare Part D claims (2024)

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  6. 6

    Endocrinology, Diabetes & Metabolism Physician · Spokane, WA

    1,307 Medicare Part D claims (2024)

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  7. 7

    Endocrinology, Diabetes & Metabolism Physician · Wenatchee, WA

    1,290 Medicare Part D claims (2024)

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  8. 8

    Internal Medicine Physician · Kennewick, WA

    1,151 Medicare Part D claims (2024)

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  9. 9

    Endocrinology, Diabetes & Metabolism Physician · Richland, WA

    1,145 Medicare Part D claims (2024)

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  10. 10

    Pharmacist · Seattle, WA

    1,118 Medicare Part D claims (2024)

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  11. 11

    Family Medicine Physician · Yakima, WA

    1,113 Medicare Part D claims (2024)

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  12. 12

    Endocrinology, Diabetes & Metabolism Physician · Bremerton, WA

    1,092 Medicare Part D claims (2024)

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  13. 13

    Endocrinology, Diabetes & Metabolism Physician · Tacoma, WA

    1,091 Medicare Part D claims (2024)

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  14. 14

    Pharmacist · Kirkland, WA

    1,036 Medicare Part D claims (2024)

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  15. 15

    Physician Assistant · Vancouver, WA

    998 Medicare Part D claims (2024)

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  16. 16

    Pharmacist · Edmonds, WA

    971 Medicare Part D claims (2024)

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  17. 17

    Endocrinology, Diabetes & Metabolism Physician · Seattle, WA

    952 Medicare Part D claims (2024)

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  18. 18

    Internal Medicine Physician · Bellingham, WA

    949 Medicare Part D claims (2024)

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  19. 19

    Internal Medicine Physician · Stanwood, WA

    940 Medicare Part D claims (2024)

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  20. 20

    Endocrinology, Diabetes & Metabolism Physician · Tacoma, WA

    930 Medicare Part D claims (2024)

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  21. 21

    Primary Care Nurse Practitioner · Seattle, WA

    913 Medicare Part D claims (2024)

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  22. 22

    Endocrinology, Diabetes & Metabolism Physician · Edmonds, WA

    911 Medicare Part D claims (2024)

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  23. 23

    Endocrinology, Diabetes & Metabolism Physician · Spokane, WA

    903 Medicare Part D claims (2024)

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  24. 24

    Internal Medicine Physician · Edmonds, WA

    887 Medicare Part D claims (2024)

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  25. 25
    Dali ChenMD, PHD

    Endocrinology, Diabetes & Metabolism Physician · Tacoma, WA

    887 Medicare Part D claims (2024)

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  26. 26

    Family Medicine Physician · Renton, WA

    886 Medicare Part D claims (2024)

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  27. 27
    Dana BiggsPHARM.D.

    Pharmacist · Everett, WA

    874 Medicare Part D claims (2024)

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  28. 28

    Endocrinology, Diabetes & Metabolism Physician · Tacoma, WA

    861 Medicare Part D claims (2024)

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  29. 29
    Blakely GarrityPHYSICIAN ASSISTANT

    Physician Assistant · Vancouver, WA

    858 Medicare Part D claims (2024)

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  30. 30

    Physician Assistant · Longview, WA

    839 Medicare Part D claims (2024)

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  31. 31

    Geriatric Medicine (Internal Medicine) Physician · Richland, WA

    821 Medicare Part D claims (2024)

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  32. 32

    Internal Medicine Physician · Bremerton, WA

    771 Medicare Part D claims (2024)

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  33. 33

    Family Nurse Practitioner · Bellevue, WA

    762 Medicare Part D claims (2024)

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  34. 34

    Internal Medicine Physician · Walla Walla, WA

    762 Medicare Part D claims (2024)

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  35. 35

    Specialist · Bellevue, WA

    761 Medicare Part D claims (2024)

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  36. 36
    Qin OuyangM.D. PH.D

    Endocrinology, Diabetes & Metabolism Physician · Tacoma, WA

    760 Medicare Part D claims (2024)

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  37. 37

    Physician Assistant · Deer Park, WA

    747 Medicare Part D claims (2024)

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  38. 38

    Family Medicine Physician · Union Gap, WA

    746 Medicare Part D claims (2024)

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  39. 39

    Pharmacist · Everett, WA

    728 Medicare Part D claims (2024)

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  40. 40
    Chi ChanPHARMD

    Pharmacist · Bonney Lake, WA

    725 Medicare Part D claims (2024)

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  41. 41

    Gerontology Nurse Practitioner · Redmond, WA

    722 Medicare Part D claims (2024)

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  42. 42

    Endocrinology, Diabetes & Metabolism Physician · Issaquah, WA

    708 Medicare Part D claims (2024)

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  43. 43

    Endocrinology, Diabetes & Metabolism Physician · Richland, WA

    706 Medicare Part D claims (2024)

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  44. 44

    Internal Medicine Physician · Tacoma, WA

    701 Medicare Part D claims (2024)

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  45. 45

    Endocrinology, Diabetes & Metabolism Physician · Lacey, WA

    696 Medicare Part D claims (2024)

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  46. 46

    Endocrinology, Diabetes & Metabolism Physician · Everett, WA

    695 Medicare Part D claims (2024)

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  47. 47

    Family Medicine Physician · Spokane Valley, WA

    692 Medicare Part D claims (2024)

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  48. 48

    Family Medicine Physician · Spokane, WA

    689 Medicare Part D claims (2024)

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  49. 49

    Nurse Practitioner · Spokane, WA

    688 Medicare Part D claims (2024)

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  50. 50

    Endocrinology, Diabetes & Metabolism Physician · Vancouver, WA

    682 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).