Metformin (Glucophage, Fortamet) Prescribers in Pennsylvania

1. 1
   Robert PearlsteinD.O.

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

   7,469 Medicare Part D claims (2024)

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2. 2
   Brandon RoscoeM.D.

   Family Medicine Physician · Du Bois, PA

   2,611 Medicare Part D claims (2024)

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3. 3
   Jane MayrinMD

   Endocrinology, Diabetes & Metabolism Physician · Philadelphia, PA

   2,582 Medicare Part D claims (2024)

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4. 4
   Andrew Graf

   Internal Medicine Physician · Plymouth Meeting, PA

   2,270 Medicare Part D claims (2024)

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5. 5
   Mikhail AzrilevichMD

   Internal Medicine Physician · Philadelphia, PA

   1,913 Medicare Part D claims (2024)

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6. 6
   John MichelDO

   Internal Medicine Physician · Philadelphia, PA

   1,697 Medicare Part D claims (2024)

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7. 7
   Georgey EasowMD

   Internal Medicine Physician · Philadelphia, PA

   1,603 Medicare Part D claims (2024)

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8. 8
   Mikhail ChilingaryanMD

   Internal Medicine Physician · Pittsburgh, PA

   1,435 Medicare Part D claims (2024)

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9. 9
   Truong NguyenDO

   Internal Medicine Physician · Philadelphia, PA

   1,287 Medicare Part D claims (2024)

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10. 10
    Sergei ChekovMD

    Internal Medicine Physician · Philadelphia, PA

    1,273 Medicare Part D claims (2024)

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11. 11
    Haleh HaerianM.D.

    Endocrinology, Diabetes & Metabolism Physician · Altoona, PA

    1,263 Medicare Part D claims (2024)

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12. 12
    Hemlata MoturiM.D.

    Endocrinology, Diabetes & Metabolism Physician · Pittsburgh, PA

    1,216 Medicare Part D claims (2024)

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13. 13
    Chong KimM.D.

    Internal Medicine Physician · Elkins Park, PA

    1,183 Medicare Part D claims (2024)

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14. 14
    Kaushik PatelM.D.

    Internal Medicine Physician · Pittsburgh, PA

    1,178 Medicare Part D claims (2024)

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15. 15
    Janna PraterM.D.

    Endocrinology, Diabetes & Metabolism Physician · Philadelphia, PA

    1,170 Medicare Part D claims (2024)

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16. 16
    Edward RosenfeldM.D.

    Internal Medicine Physician · Center Valley, PA

    1,118 Medicare Part D claims (2024)

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17. 17
    Somera AliM.D.

    Endocrinology, Diabetes & Metabolism Physician · Limerick, PA

    1,103 Medicare Part D claims (2024)

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18. 18
    Craig FocklerDO

    Family Medicine Physician · Johnstown, PA

    1,096 Medicare Part D claims (2024)

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19. 19
    Cody HeintzelmanPA-C

    Physician Assistant · Selinsgrove, PA

    1,079 Medicare Part D claims (2024)

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20. 20
    Jennifer MillerPA-C

    Physician Assistant · Mill Hall, PA

    1,071 Medicare Part D claims (2024)

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21. 21
    Stephan KowalykM.D.

    Endocrinology, Diabetes & Metabolism Physician · Greensburg, PA

    1,064 Medicare Part D claims (2024)

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22. 22
    Guy FascianaM.D.

    Internal Medicine Physician · Duryea, PA

    1,058 Medicare Part D claims (2024)

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23. 23
    James KreshonDO

    Physical Medicine & Rehabilitation Physician · Pittsburgh, PA

    1,049 Medicare Part D claims (2024)

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24. 24
    Charles PaganaMD

    Family Medicine Physician · Selinsgrove, PA

    1,045 Medicare Part D claims (2024)

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25. 25
    Christopher BrunoDO

    Endocrinology, Diabetes & Metabolism Physician · Collegeville, PA

    1,011 Medicare Part D claims (2024)

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26. 26
    Zafar KhanM.D.

    Internal Medicine Physician · Levittown, PA

    1,009 Medicare Part D claims (2024)

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27. 27
    Silvia ColemanMD

    Internal Medicine Physician · New Castle, PA

    997 Medicare Part D claims (2024)

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28. 28
    Patrick GrayMD

    Internal Medicine Physician · Windber, PA

    992 Medicare Part D claims (2024)

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29. 29
    Jerzy MagdaMD

    Internal Medicine Physician · New Castle, PA

    991 Medicare Part D claims (2024)

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30. 30
    Donna SteelCRNP

    Adult Health Nurse Practitioner · Wynnewood, PA

    988 Medicare Part D claims (2024)

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31. 31
    Daniel LinMD, PHD

    Family Medicine Physician · Philadelphia, PA

    969 Medicare Part D claims (2024)

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32. 32
    David ShoberDO

    Family Medicine Physician · New Castle, PA

    969 Medicare Part D claims (2024)

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33. 33
    Julie KnapkaCRNP

    Nurse Practitioner · Meadville, PA

    967 Medicare Part D claims (2024)

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34. 34
    Brian KimmelDO

    Family Medicine Physician · Philadelphia, PA

    959 Medicare Part D claims (2024)

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35. 35
    Matthew KaneMD

    Endocrinology, Diabetes & Metabolism Physician · West Chester, PA

    953 Medicare Part D claims (2024)

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36. 36
    Leonid MagidenkoMD

    Internal Medicine Physician · Feasterville Trevose, PA

    946 Medicare Part D claims (2024)

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37. 37
    Sachin BahlM.D.

    Endocrinology, Diabetes & Metabolism Physician · Pittsburgh, PA

    937 Medicare Part D claims (2024)

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38. 38
    Simon Yongquan SuMD

    Internal Medicine Physician · Philadelphia, PA

    935 Medicare Part D claims (2024)

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39. 39
    Darryl GuistwiteDO

    Family Medicine Physician · Carlisle, PA

    919 Medicare Part D claims (2024)

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40. 40
    Samuel ValentiM.D.

    Internal Medicine Physician · Scranton, PA

    914 Medicare Part D claims (2024)

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41. 41
    Brett Scharf

    Family Medicine Physician · Altoona, PA

    911 Medicare Part D claims (2024)

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42. 42
    Gagandeep Grewal

    Endocrinology, Diabetes & Metabolism Physician · Meadville, PA

    905 Medicare Part D claims (2024)

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43. 43
    Rong JiM.D.

    Internal Medicine Physician · Philadelphia, PA

    889 Medicare Part D claims (2024)

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44. 44
    Arti PatelM.D.

    Endocrinology, Diabetes & Metabolism Physician · King of Prussia, PA

    888 Medicare Part D claims (2024)

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45. 45
    Snehal PatelM.D.

    Family Medicine Physician · York, PA

    885 Medicare Part D claims (2024)

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46. 46
    Alicia Novak

    Family Nurse Practitioner · Olyphant, PA

    884 Medicare Part D claims (2024)

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47. 47
    Kelly LoftusMD

    Endocrinology, Diabetes & Metabolism Physician · Langhorne, PA

    868 Medicare Part D claims (2024)

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48. 48
    Janusz WolaninMD

    Family Medicine Physician · Nanticoke, PA

    856 Medicare Part D claims (2024)

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49. 49
    Ahmed TariqueMD

    Hospitalist Physician · Millersburg, PA

    849 Medicare Part D claims (2024)

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50. 50
    Matthew HaleyDO

    Family Medicine Physician · Carbondale, PA

    839 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 metformin. Source: CMS NPPES (June 2026).