Sildenafil (Viagra, Revatio) Prescribers in Colorado

1. 1
   Brett FensterM.D.

   Cardiovascular Disease Physician · Lone Tree, CO

   185 Medicare Part D claims (2024)

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2. 2
   Lin-Wang DongMD

   Cardiovascular Disease Physician · Greeley, CO

   184 Medicare Part D claims (2024)

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3. 3
   Marjorie GeorgeMD

   Pulmonary Disease Physician · Denver, CO

   171 Medicare Part D claims (2024)

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4. 4
   Laura MarinelloPA

   Physician Assistant · Greeley, CO

   130 Medicare Part D claims (2024)

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5. 5
   David BadeschMD

   Pulmonary Disease Physician · Aurora, CO

   85 Medicare Part D claims (2024)

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6. 6
   Jeffrey SnyderMD

   Family Medicine Physician · Colorado Springs, CO

   64 Medicare Part D claims (2024)

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7. 7
   Andrew FreemanMD

   Cardiovascular Disease Physician · Denver, CO

   60 Medicare Part D claims (2024)

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8. 8
   Todd BullMD

   Critical Care Medicine (Internal Medicine) Physician · Aurora, CO

   58 Medicare Part D claims (2024)

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9. 9
   Ira DauberMD

   Interventional Cardiology Physician · Littleton, CO

   51 Medicare Part D claims (2024)

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10. 10
    Adam BetkowskiM.D.

    Cardiovascular Disease Physician · Denver, CO

    47 Medicare Part D claims (2024)

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11. 11
    Peter HountrasM.D.

    Critical Care Medicine (Internal Medicine) Physician · Aurora, CO

    46 Medicare Part D claims (2024)

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12. 12
    Bruce SucklingM.D.

    Pulmonary Disease Physician · Montrose, CO

    43 Medicare Part D claims (2024)

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13. 13
    Vikas ReddyM.D.

    Family Medicine Physician · Parker, CO

    38 Medicare Part D claims (2024)

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14. 14
    John CowdenMD

    Pulmonary Disease Physician · Longmont, CO

    36 Medicare Part D claims (2024)

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15. 15
    David ZbylskiMD

    Family Medicine Physician · Colorado Springs, CO

    35 Medicare Part D claims (2024)

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16. 16
    Genevieve BoddieAGPCNP-BC

    Adult Health Nurse Practitioner · Aurora, CO

    35 Medicare Part D claims (2024)

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17. 17
    Jennifer Taylor-CousarM.D.

    Pulmonary Disease Physician · Denver, CO

    34 Medicare Part D claims (2024)

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18. 18
    Richard MilchakMD

    Pulmonary Disease Physician · Loveland, CO

    33 Medicare Part D claims (2024)

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19. 19
    Mark RobinsonD.O.

    Family Medicine Physician · Colorado Springs, CO

    28 Medicare Part D claims (2024)

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20. 20
    Matthew FargoM.D.

    Family Medicine Physician · Colorado Springs, CO

    24 Medicare Part D claims (2024)

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21. 21
    William MalabreMD

    Family Medicine Physician · Colorado Springs, CO

    23 Medicare Part D claims (2024)

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22. 22
    George MeyersMD

    Family Medicine Physician · Colorado Springs, CO

    23 Medicare Part D claims (2024)

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23. 23
    Mark BerntsenMD

    Internal Medicine Physician · Greeley, CO

    23 Medicare Part D claims (2024)

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24. 24
    Carlos VeraM.D.

    Family Medicine Physician · Westminster, CO

    22 Medicare Part D claims (2024)

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25. 25
    Maria MarsalaFNP-BC

    Adult Health Nurse Practitioner · Aurora, CO

    22 Medicare Part D claims (2024)

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26. 26
    Dominique SwainPA-C

    Physician Assistant · Colorado Springs, CO

    22 Medicare Part D claims (2024)

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27. 27
    Jason PereiraMD

    Internal Medicine Physician · Littleton, CO

    21 Medicare Part D claims (2024)

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28. 28
    Gabriel CintronMD

    Hospitalist Physician · Parker, CO

    21 Medicare Part D claims (2024)

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29. 29
    Mark PereaMD

    Family Medicine Physician · Lone Tree, CO

    21 Medicare Part D claims (2024)

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30. 30
    David ZolotoM.D.

    Cardiovascular Invasive Specialist/Technologist · Lafayette, CO

    21 Medicare Part D claims (2024)

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31. 31
    Hee Chong ZimmermanMD

    Family Medicine Physician · Fort Lupton, CO

    21 Medicare Part D claims (2024)

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32. 32
    Chad MaurerMD

    Family Medicine Physician · Greeley, CO

    21 Medicare Part D claims (2024)

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33. 33
    Lance HarrisPA-C

    Physician Assistant · Loveland, CO

    21 Medicare Part D claims (2024)

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34. 34
    Justin GaborMD

    Family Medicine Physician · Brighton, CO

    20 Medicare Part D claims (2024)

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35. 35
    Tatiana TsvetkovaM.D.

    Cardiovascular Disease Physician · Golden, CO

    20 Medicare Part D claims (2024)

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36. 36
    Devon DaneyMD

    Family Medicine Physician · Durango, CO

    20 Medicare Part D claims (2024)

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37. 37
    Nicholas ToepferM.D.

    Urology Physician · Colorado Springs, CO

    20 Medicare Part D claims (2024)

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38. 38
    Erin RiggleM.D.

    Critical Care Medicine (Internal Medicine) Physician · Littleton, CO

    19 Medicare Part D claims (2024)

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39. 39
    Leah OzdemirD.O.

    Geriatric Medicine (Internal Medicine) Physician · Highlands Ranch, CO

    19 Medicare Part D claims (2024)

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40. 40
    James HuntMD

    Critical Care Medicine (Internal Medicine) Physician · Greenwood Village, CO

    19 Medicare Part D claims (2024)

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41. 41
    Kenneth OttMD

    Family Medicine Physician · Westminster, CO

    19 Medicare Part D claims (2024)

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42. 42
    Melanie PistentisPA-C

    Physician Assistant · Longmont, CO

    19 Medicare Part D claims (2024)

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43. 43
    Edward ShuherkM.D.

    Family Medicine Physician · Lakewood, CO

    18 Medicare Part D claims (2024)

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44. 44
    James FretwellM.D.

    Family Medicine Physician · Longmont, CO

    18 Medicare Part D claims (2024)

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45. 45
    Matthew MooreD.O.

    Family Medicine Physician · Colorado Springs, CO

    18 Medicare Part D claims (2024)

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46. 46
    Darlene KimM.D.

    Cardiovascular Disease Physician · Denver, CO

    18 Medicare Part D claims (2024)

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47. 47
    Adam BryanMD

    Family Medicine Physician · Firestone, CO

    18 Medicare Part D claims (2024)

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48. 48
    Jonathan PetersonMD

    Family Medicine Physician · Westminster, CO

    18 Medicare Part D claims (2024)

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49. 49
    Liberty RuizAGPCNP

    Gerontology Nurse Practitioner · Pueblo, CO

    18 Medicare Part D claims (2024)

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50. 50
    Gregory DilorenzoD.O

    Internal Medicine Physician · Broomfield, CO

    18 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 sildenafil. Source: CMS NPPES (June 2026).