NPI Central

Who Prescribes Levothyroxine (Synthroid, Levoxyl)?

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

285,459 providers have Medicare Part D claims for levothyroxine (sold as Synthroid, Levoxyl). Open a state for the local directory, or any provider for their full profile. Ordering reflects documented Part D claim volume — a transparency signal, not a quality or "best" ranking.

Prescribers (Part D)
285,459
Data year
2024
Registry vintage
June 2026

Top levothyroxine prescribers (Medicare Part D)

A sample, ranked by Part D claim volume.
  1. 1

    Geriatric Medicine (Internal Medicine) Physician · Plymouth Meeting, PA

    13,489 Medicare Part D claims (2024)

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  2. 2

    Geriatric Medicine (Family Medicine) Physician · Hendersonville, TN

    8,020 Medicare Part D claims (2024)

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  3. 3

    Endocrinology, Diabetes & Metabolism Physician · Caguas, PR

    8,014 Medicare Part D claims (2024)

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  4. 4

    Family Medicine Physician · Gray, GA

    7,088 Medicare Part D claims (2024)

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  5. 5

    Endocrinology, Diabetes & Metabolism Physician · Mayaguez, PR

    6,404 Medicare Part D claims (2024)

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  6. 6

    Family Medicine Physician · Du Bois, PA

    6,327 Medicare Part D claims (2024)

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  7. 7

    Endocrinology, Diabetes & Metabolism Physician · Ponce, PR

    6,314 Medicare Part D claims (2024)

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  8. 8

    Endocrinology, Diabetes & Metabolism Physician · San German, PR

    5,497 Medicare Part D claims (2024)

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  9. 9

    Endocrinology, Diabetes & Metabolism Physician · San Juan, PR

    5,455 Medicare Part D claims (2024)

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  10. 10

    Internal Medicine Physician · Louisville, KY

    5,367 Medicare Part D claims (2024)

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  11. 11

    Family Medicine Physician · Macon, GA

    4,991 Medicare Part D claims (2024)

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  12. 12

    Endocrinology, Diabetes & Metabolism Physician · Carolina, PR

    4,983 Medicare Part D claims (2024)

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  13. 13

    Internal Medicine Physician · Weston, MA

    4,944 Medicare Part D claims (2024)

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  14. 14

    Internal Medicine Physician · Charlotte, NC

    4,901 Medicare Part D claims (2024)

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  15. 15

    Internal Medicine Physician · Birmingham, AL

    4,892 Medicare Part D claims (2024)

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  16. 16

    Family Medicine Physician · Cave Spring, GA

    4,826 Medicare Part D claims (2024)

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  17. 17

    Endocrinology, Diabetes & Metabolism Physician · Pittsburgh, PA

    4,789 Medicare Part D claims (2024)

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  18. 18

    Endocrinology, Diabetes & Metabolism Physician · Manati, PR

    4,767 Medicare Part D claims (2024)

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  19. 19

    Endocrinology, Diabetes & Metabolism Physician · Caguas, PR

    4,720 Medicare Part D claims (2024)

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  20. 20

    Endocrinology, Diabetes & Metabolism Physician · Bayamon, PR

    4,719 Medicare Part D claims (2024)

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  21. 21

    Endocrinology, Diabetes & Metabolism Physician · Ponce, PR

    4,679 Medicare Part D claims (2024)

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  22. 22

    Family Medicine Physician · Columbus, GA

    4,568 Medicare Part D claims (2024)

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  23. 23

    Internal Medicine Physician · Plymouth Meeting, PA

    4,565 Medicare Part D claims (2024)

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  24. 24

    Family Medicine Physician · Albany, GA

    4,500 Medicare Part D claims (2024)

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  25. 25

    Endocrinology, Diabetes & Metabolism Physician · Mayaguez, PR

    4,459 Medicare Part D claims (2024)

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  26. 26
    Jack BrownMD, DPM

    Family Medicine Physician · Sand Springs, OK

    4,406 Medicare Part D claims (2024)

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  27. 27

    Geriatric Medicine (Family Medicine) Physician · Oakwood, OH

    4,402 Medicare Part D claims (2024)

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  28. 28

    Endocrinology, Diabetes & Metabolism Physician · Rego Park, NY

    4,380 Medicare Part D claims (2024)

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  29. 29

    Family Medicine Physician · Kewanee, IL

    4,359 Medicare Part D claims (2024)

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  30. 30

    Internal Medicine Physician · Lexington, OK

    4,311 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 from this list does not mean a provider does not prescribe levothyroxine.