Lorazepam (Ativan) Prescribers in South Dakota

1. 1
   Rajesh SinghMD

   Psychiatry Physician · Sioux Falls, SD

   584 Medicare Part D claims (2024)

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2. 2
   Richard RenkaMD

   Psychiatry Physician · Rapid City, SD

   422 Medicare Part D claims (2024)

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3. 3
   Carrie DyllaPAC

   Psychiatric/Mental Health Nurse Practitioner · Watertown, SD

   365 Medicare Part D claims (2024)

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4. 4
   Brenda DavenportCNP

   Nurse Practitioner · Aberdeen, SD

   351 Medicare Part D claims (2024)

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5. 5
   Tyler HansonM.D.

   Internal Medicine Physician · Yankton, SD

   335 Medicare Part D claims (2024)

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6. 6
   Lauri WolterPMHNP

   Psychiatric/Mental Health Nurse Practitioner · Yankton, SD

   329 Medicare Part D claims (2024)

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7. 7
   Rachelle BroveleitPA-C

   Physician Assistant · Sioux Falls, SD

   262 Medicare Part D claims (2024)

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8. 8
   Harry HamlynMD

   Psychiatry Physician · Rapid City, SD

   259 Medicare Part D claims (2024)

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9. 9
   Kay FolandCNP

   Psychiatric/Mental Health Nurse Practitioner · Rapid City, SD

   256 Medicare Part D claims (2024)

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10. 10
    Berne BahnsonM.D.

    Psychiatry Physician · Sioux Falls, SD

    247 Medicare Part D claims (2024)

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11. 11
    Robert NussM.D.

    Neurology Physician · Sioux Falls, SD

    208 Medicare Part D claims (2024)

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12. 12
    Kelly Mcdermott

    Family Nurse Practitioner · Mitchell, SD

    193 Medicare Part D claims (2024)

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13. 13
    Charles LordMD

    Psychiatry Physician · Rapid City, SD

    185 Medicare Part D claims (2024)

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14. 14
    Jonathan OlsonM.D.

    Family Medicine Physician · Vermillion, SD

    180 Medicare Part D claims (2024)

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15. 15
    Gregg HarvisonM.D.

    Family Medicine Physician · Sioux Falls, SD

    173 Medicare Part D claims (2024)

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16. 16
    Xiaofan LiMD

    Psychiatry Physician · Sioux Falls, SD

    171 Medicare Part D claims (2024)

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17. 17
    Daniel MegardMD

    Internal Medicine Physician · Yankton, SD

    160 Medicare Part D claims (2024)

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18. 18
    Holly AhlersCNP

    Psychiatric/Mental Health Nurse Practitioner · Sioux Falls, SD

    158 Medicare Part D claims (2024)

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19. 19
    Elizabeth GravleyM.D.

    Family Medicine Physician · Webster, SD

    156 Medicare Part D claims (2024)

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20. 20
    David NelsonM.D.

    Internal Medicine Physician · Sioux Falls, SD

    148 Medicare Part D claims (2024)

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21. 21
    Ashley ReinerPA-C

    Physician Assistant · Yankton, SD

    148 Medicare Part D claims (2024)

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22. 22
    Michael BerganM.D.

    Neurology Physician · Sioux Falls, SD

    147 Medicare Part D claims (2024)

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23. 23
    Jonathan OlegarioM.D.

    Internal Medicine Physician · Mitchell, SD

    146 Medicare Part D claims (2024)

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24. 24
    Jay AllisonMD

    Family Medicine Physician · Sioux Falls, SD

    142 Medicare Part D claims (2024)

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25. 25
    Jennifer OligmuellerM.D.

    Psychiatry Physician · Sioux Falls, SD

    142 Medicare Part D claims (2024)

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26. 26
    Stanley GallagherDO

    Family Medicine Physician · Sisseton, SD

    141 Medicare Part D claims (2024)

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27. 27
    Andrea Hansen

    Physician Assistant · Rapid City, SD

    140 Medicare Part D claims (2024)

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28. 28
    Kelsey NylanderD.O.

    Family Medicine Physician · Spearfish, SD

    138 Medicare Part D claims (2024)

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29. 29
    Christina CoffieldNP

    Psychiatric/Mental Health Nurse Practitioner · Spearfish, SD

    137 Medicare Part D claims (2024)

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30. 30
    Rebecca ChristensenCNP

    Family Nurse Practitioner · Rapid City, SD

    137 Medicare Part D claims (2024)

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31. 31
    Brenda JohnsonCNP

    Psychiatric/Mental Health Nurse Practitioner · Brookings, SD

    137 Medicare Part D claims (2024)

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32. 32
    Hollis NipeMD

    Internal Medicine Physician · Watertown, SD

    134 Medicare Part D claims (2024)

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33. 33
    Justin ClemM.D.

    Family Medicine Physician · Madison, SD

    133 Medicare Part D claims (2024)

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34. 34
    Steven RedmondMD

    Family Medicine Physician · Aberdeen, SD

    131 Medicare Part D claims (2024)

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35. 35
    Brianna BrownleeDO

    Family Medicine Physician · Dakota Dunes, SD

    129 Medicare Part D claims (2024)

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36. 36
    Andria PetersenNP-C

    Psychiatric/Mental Health Nurse Practitioner · Sioux Falls, SD

    127 Medicare Part D claims (2024)

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37. 37
    Laura Withorne-MaloneyCNP

    Family Nurse Practitioner · Sioux Falls, SD

    126 Medicare Part D claims (2024)

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38. 38
    Lisa BucklinCNP

    Nurse Practitioner · Sisseton, SD

    126 Medicare Part D claims (2024)

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39. 39
    Jessica VanderhamCNP

    Family Nurse Practitioner · Wagner, SD

    125 Medicare Part D claims (2024)

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40. 40
    Kristine WrenMD

    Family Medicine Physician · Redfield, SD

    125 Medicare Part D claims (2024)

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41. 41
    Janell PowellMD

    Internal Medicine Physician · Sioux Falls, SD

    123 Medicare Part D claims (2024)

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42. 42
    Muriel EngbrechtCNP

    Family Nurse Practitioner · Harrisburg, SD

    120 Medicare Part D claims (2024)

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43. 43
    Jeffry MeyerMD

    Family Medicine Physician · Sioux Falls, SD

    120 Medicare Part D claims (2024)

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44. 44
    Michele ThorpeAPRN, PMHNP

    Psychiatric/Mental Health Nurse Practitioner · Aberdeen, SD

    119 Medicare Part D claims (2024)

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45. 45
    Josie RiesPMHNP-BC

    Psychiatric/Mental Health Nurse Practitioner · Watertown, SD

    118 Medicare Part D claims (2024)

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46. 46
    Carol LarsenPA

    Physician Assistant · Sioux Falls, SD

    116 Medicare Part D claims (2024)

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47. 47
    Ukamaka NwadibiaMD

    Internal Medicine Physician · Sioux Falls, SD

    115 Medicare Part D claims (2024)

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48. 48
    Georgiana NussM.D.

    Psychiatry Physician · Sioux Falls, SD

    109 Medicare Part D claims (2024)

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49. 49
    Meredith PowellM.D.

    Psychiatry Physician · Sioux Falls, SD

    109 Medicare Part D claims (2024)

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50. 50
    Gabriel JohnsonD.O

    Family Medicine Physician · Viborg, SD

    109 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 lorazepam. lorazepam is a Schedule IV controlled substance; this is a factual claims directory only — not medical advice, not an endorsement, and not instructions for obtaining any medication. Source: CMS NPPES (June 2026).