NPI Central

Who Prescribes Warfarin (Coumadin, Jantoven)?

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

98,205 providers have Medicare Part D claims for warfarin (sold as Coumadin, Jantoven). 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)
98,205
Data year
2024
Registry vintage
June 2026

Top warfarin prescribers (Medicare Part D)

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

    Hematology & Oncology Physician · Fort Wayne, IN

    7,275 Medicare Part D claims (2024)

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  2. 2

    Family Nurse Practitioner · York, PA

    5,659 Medicare Part D claims (2024)

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  3. 3

    Hospitalist Physician · Salt Lake City, UT

    3,945 Medicare Part D claims (2024)

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  4. 4

    Pharmacist · Sacramento, CA

    3,659 Medicare Part D claims (2024)

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  5. 5

    Interventional Cardiology Physician · Madison, WI

    3,598 Medicare Part D claims (2024)

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  6. 6

    Clinical Cardiac Electrophysiology Physician · Grand Rapids, MI

    3,577 Medicare Part D claims (2024)

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  7. 7

    Pharmacist · Vallejo, CA

    3,500 Medicare Part D claims (2024)

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  8. 8

    Nurse Practitioner · Dubuque, IA

    3,413 Medicare Part D claims (2024)

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  9. 9

    Pharmacist · San Bruno, CA

    3,294 Medicare Part D claims (2024)

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  10. 10
    Goldie YipPHARM D

    Pharmacist · Oakland, CA

    3,245 Medicare Part D claims (2024)

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  11. 11

    Cardiovascular Disease Physician · Wyoming, MI

    3,053 Medicare Part D claims (2024)

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  12. 12

    Family Nurse Practitioner · Troy, NY

    2,649 Medicare Part D claims (2024)

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  13. 13

    Pharmacist · San Francisco, CA

    2,489 Medicare Part D claims (2024)

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  14. 14

    Hospitalist Physician · Marshfield, WI

    2,477 Medicare Part D claims (2024)

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  15. 15

    Cardiovascular Disease Physician · Mankato, MN

    2,419 Medicare Part D claims (2024)

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  16. 16

    Geriatric Medicine (Internal Medicine) Physician · Columbus, OH

    2,354 Medicare Part D claims (2024)

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  17. 17
    Susan CollazoAPRN, CNP

    Nurse Practitioner · Winfield, IL

    2,301 Medicare Part D claims (2024)

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  18. 18

    Adult Health Nurse Practitioner · Allentown, PA

    2,206 Medicare Part D claims (2024)

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  19. 19

    Family Nurse Practitioner · Redding, CA

    2,098 Medicare Part D claims (2024)

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  20. 20
    Jodi BatesANP-C,FNP

    Family Nurse Practitioner · Sayre, PA

    2,085 Medicare Part D claims (2024)

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  21. 21

    Family Nurse Practitioner · Burlington, WI

    1,984 Medicare Part D claims (2024)

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  22. 22

    Hematology (Internal Medicine) Physician · Temple, TX

    1,910 Medicare Part D claims (2024)

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  23. 23

    Hospitalist Physician · Philadelphia, PA

    1,885 Medicare Part D claims (2024)

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  24. 24

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

    1,830 Medicare Part D claims (2024)

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  25. 25

    Physician Assistant · Roy, UT

    1,717 Medicare Part D claims (2024)

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  26. 26

    Family Nurse Practitioner · Fort Wayne, IN

    1,617 Medicare Part D claims (2024)

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  27. 27

    Internal Medicine Physician · Sheboygan, WI

    1,591 Medicare Part D claims (2024)

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  28. 28

    Critical Care Medicine (Internal Medicine) Physician · La Jolla, CA

    1,519 Medicare Part D claims (2024)

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  29. 29

    Cardiovascular Disease Physician · Atlanta, GA

    1,497 Medicare Part D claims (2024)

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  30. 30

    Internal Medicine Physician · Boston, MA

    1,471 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 warfarin.