Metformin (Glucophage, Fortamet) Prescribers in Texas

1. 1
   Najmuddin KarimjeeM.D.

   Internal Medicine Physician · Houston, TX

   3,628 Medicare Part D claims (2024)

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2. 2
   Scotty OrtegaM.D.

   Family Medicine Physician · Odessa, TX

   1,930 Medicare Part D claims (2024)

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3. 3
   Enrique GriegoM.D.

   Family Medicine Physician · Mcallen, TX

   1,928 Medicare Part D claims (2024)

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4. 4
   Khoren HekimianDO

   Family Medicine Physician · Troup, TX

   1,732 Medicare Part D claims (2024)

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5. 5
   Murtaza MussajiDO

   Internal Medicine Physician · Houston, TX

   1,726 Medicare Part D claims (2024)

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6. 6
   Oscar De ValleM.D.

   Family Medicine Physician · Houston, TX

   1,691 Medicare Part D claims (2024)

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7. 7
   Duc PhanM.D

   Internal Medicine Physician · Houston, TX

   1,624 Medicare Part D claims (2024)

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8. 8
   Armando HinojosaM.D.

   Internal Medicine Physician · Laredo, TX

   1,530 Medicare Part D claims (2024)

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9. 9
   Nghia NguyenM.D.

   Internal Medicine Physician · Houston, TX

   1,498 Medicare Part D claims (2024)

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10. 10
    Mustafa MoazamMD

    Internal Medicine Physician · El Paso, TX

    1,473 Medicare Part D claims (2024)

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11. 11
    Onyema AmakiriD.O.

    Internal Medicine Physician · El Paso, TX

    1,436 Medicare Part D claims (2024)

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12. 12
    Hugo ToroM.D.

    Internal Medicine Physician · Katy, TX

    1,413 Medicare Part D claims (2024)

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13. 13
    Jose MarinM.D.

    Family Medicine Physician · El Paso, TX

    1,401 Medicare Part D claims (2024)

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14. 14
    Mario AnzalduaM.D.

    Family Medicine Physician · Mission, TX

    1,383 Medicare Part D claims (2024)

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15. 15
    Alejandro RochaD.O.

    Family Medicine Physician · El Paso, TX

    1,349 Medicare Part D claims (2024)

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16. 16
    Ronaldo FactorizaM.D.

    Internal Medicine Physician · Brownsville, TX

    1,341 Medicare Part D claims (2024)

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17. 17
    Javier SaenzM.D.

    Family Medicine Physician · La Joya, TX

    1,325 Medicare Part D claims (2024)

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18. 18
    Mogbolahan KuyeMD

    Internal Medicine Physician · Harlingen, TX

    1,273 Medicare Part D claims (2024)

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19. 19
    Wentian HuangMD, PHD

    Internal Medicine Physician · Garland, TX

    1,269 Medicare Part D claims (2024)

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20. 20
    Robert PyleM.D.

    Endocrinology, Diabetes & Metabolism Physician · Palestine, TX

    1,258 Medicare Part D claims (2024)

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21. 21
    Andres Garcia ZunigaM.D.

    Internal Medicine Physician · Laredo, TX

    1,225 Medicare Part D claims (2024)

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22. 22
    Tram HoMD

    Internal Medicine Physician · Houston, TX

    1,194 Medicare Part D claims (2024)

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23. 23
    Arif MahmoodM.D.

    Family Medicine Physician · Wichita Falls, TX

    1,188 Medicare Part D claims (2024)

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24. 24
    Ikedieze ChukwuM.D.

    Internal Medicine Physician · El Paso, TX

    1,165 Medicare Part D claims (2024)

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25. 25
    Jose PenaM.D.

    Internal Medicine Physician · Donna, TX

    1,161 Medicare Part D claims (2024)

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26. 26
    Huy LeM.D.

    Family Medicine Physician · Houston, TX

    1,137 Medicare Part D claims (2024)

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27. 27
    Arturo HernandezM.D.

    Family Medicine Physician · El Paso, TX

    1,135 Medicare Part D claims (2024)

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28. 28
    Mario RodriguezM.D.

    Family Medicine Physician · Rio Grande City, TX

    1,107 Medicare Part D claims (2024)

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29. 29
    Saleh JaafarMD

    Internal Medicine Physician · Castroville, TX

    1,098 Medicare Part D claims (2024)

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30. 30
    Dwayne Friday

    Internal Medicine Physician · El Paso, TX

    1,097 Medicare Part D claims (2024)

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31. 31
    John PreddyDO

    Family Medicine Physician · Uvalde, TX

    1,086 Medicare Part D claims (2024)

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32. 32
    Robert MoralesM.D.

    Family Medicine Physician · Kingsville, TX

    1,075 Medicare Part D claims (2024)

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33. 33
    Mauricio JimenezMD

    Internal Medicine Physician · El Paso, TX

    1,054 Medicare Part D claims (2024)

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34. 34
    Juan LoyaM.D.

    Family Medicine Physician · Boerne, TX

    1,049 Medicare Part D claims (2024)

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35. 35
    Shridhar KottaM.D.

    Internal Medicine Physician · Harlingen, TX

    1,041 Medicare Part D claims (2024)

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36. 36
    Tony ChuongM.D.

    Internal Medicine Physician · Arlington, TX

    1,040 Medicare Part D claims (2024)

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37. 37
    Carlina LoraMD

    Family Medicine Physician · San Benito, TX

    1,036 Medicare Part D claims (2024)

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38. 38
    Manuel PalafoxDO

    Internal Medicine Physician · El Paso, TX

    1,035 Medicare Part D claims (2024)

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39. 39
    Paul ChebibMD

    Internal Medicine Physician · Brownfield, TX

    1,026 Medicare Part D claims (2024)

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40. 40
    Aman JafarMD

    Internal Medicine Physician · Sugar Land, TX

    1,018 Medicare Part D claims (2024)

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41. 41
    Timothy DanielMD

    Endocrinology, Diabetes & Metabolism Physician · Pearland, TX

    999 Medicare Part D claims (2024)

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42. 42
    Dinorah NutisM.D.

    Internal Medicine Physician · El Paso, TX

    984 Medicare Part D claims (2024)

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43. 43
    James ChudleighMD

    Geriatric Medicine (Family Medicine) Physician · Luling, TX

    978 Medicare Part D claims (2024)

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44. 44
    Ramon GarciaMD

    Internal Medicine Physician · Garland, TX

    974 Medicare Part D claims (2024)

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45. 45
    Nam HoM.D

    Family Medicine Physician · Houston, TX

    973 Medicare Part D claims (2024)

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46. 46
    Cini JohnFNP-BC

    Family Nurse Practitioner · Houston, TX

    972 Medicare Part D claims (2024)

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47. 47
    Robert RoachD.O.

    Family Medicine Physician · Crosby, TX

    964 Medicare Part D claims (2024)

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48. 48
    Arun JainMD

    Internal Medicine Physician · Victoria, TX

    953 Medicare Part D claims (2024)

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49. 49
    Carlos ElizondoM.D.

    Family Medicine Physician · Alice, TX

    953 Medicare Part D claims (2024)

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50. 50
    Richard LockM.D.

    Internal Medicine Physician · Houston, TX

    951 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).