Metformin (Glucophage, Fortamet) Prescribers in Louisiana

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

3,635 providers in Louisiana have Medicare Part D claims for metformin. Ordering reflects documented Part D claim volume — a transparency signal, not a quality or "best" ranking. Open any provider for their full profile and what they prescribe under Medicare.

Prescribers in LA

3,635

Data year

2024

Registry vintage

June 2026

metformin prescribers in Louisiana

Ranked by Part D claim volume.

1
Lane FreyM.D.
Endocrinology, Diabetes & Metabolism Physician · Thibodaux, LA
1,455 Medicare Part D claims (2024)
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2
Devin BourgeoisMD
Internal Medicine Physician · Thibodaux, LA
1,134 Medicare Part D claims (2024)
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3
Bennett BaquetM.D.
Endocrinology, Diabetes & Metabolism Physician · Lafayette, LA
1,130 Medicare Part D claims (2024)
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4
Francis RobichauxM.D.
Family Medicine Physician · Thibodaux, LA
1,110 Medicare Part D claims (2024)
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5
Craig EhrensingMD
Internal Medicine Physician · Marrero, LA
1,032 Medicare Part D claims (2024)
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6
Joel SilverbergMD
Endocrinology, Diabetes & Metabolism Physician · Baton Rouge, LA
1,032 Medicare Part D claims (2024)
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7
Gary FieldMD
Endocrinology, Diabetes & Metabolism Physician · Baton Rouge, LA
1,029 Medicare Part D claims (2024)
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8
Brian GremillionM.D.
Internal Medicine Physician · Baton Rouge, LA
915 Medicare Part D claims (2024)
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9
Brian MatherneM.D.
Family Medicine Physician · Houma, LA
865 Medicare Part D claims (2024)
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10
Harold MillerM.D.
Endocrinology, Diabetes & Metabolism Physician · Hammond, LA
847 Medicare Part D claims (2024)
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11
Clinton SharpM.D.
Family Medicine Physician · Slidell, LA
837 Medicare Part D claims (2024)
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12
Fadi Abou-IssaMD
Specialist · Houma, LA
819 Medicare Part D claims (2024)
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13
Satinder SainiM.D.
Internal Medicine Physician · Crowley, LA
817 Medicare Part D claims (2024)
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14
Dwight CurtisM.D.
Family Medicine Physician · Rayne, LA
788 Medicare Part D claims (2024)
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15
Christopher EarnhardtMD
Family Medicine Physician · Minden, LA
778 Medicare Part D claims (2024)
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16
Pat BassM.D.
Internal Medicine Physician · Shreveport, LA
777 Medicare Part D claims (2024)
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17
Brian NaccariMD
Internal Medicine Physician · Metairie, LA
773 Medicare Part D claims (2024)
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18
David GuillotMD
Family Medicine Physician · Woodworth, LA
771 Medicare Part D claims (2024)
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19
Ronald LahaskyM.D.
Internal Medicine Physician · Abbeville, LA
752 Medicare Part D claims (2024)
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20
Eva StaffordNP
Adult Health Nurse Practitioner · Baton Rouge, LA
751 Medicare Part D claims (2024)
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21
Johnny IngramM.D.
Family Medicine Physician · Vidalia, LA
749 Medicare Part D claims (2024)
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22
Tuan-Huy TranMD
Endocrinology, Diabetes & Metabolism Physician · Metairie, LA
748 Medicare Part D claims (2024)
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23
Danielle DuhonMD
Family Medicine Physician · Rayne, LA
739 Medicare Part D claims (2024)
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24
Lara FalconMD
Internal Medicine Physician · Baton Rouge, LA
733 Medicare Part D claims (2024)
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25
Elizabeth CurtisMD
Family Medicine Physician · Baton Rouge, LA
710 Medicare Part D claims (2024)
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26
Kiran ZaveriMD
Internal Medicine Physician · Metairie, LA
692 Medicare Part D claims (2024)
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27
Randy DaigleMD
Family Medicine Physician · Sunset, LA
688 Medicare Part D claims (2024)
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28
Ignazio AlbergamoM.D.
Internal Medicine Physician · Baton Rouge, LA
673 Medicare Part D claims (2024)
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29
Kyle BruyninckxMD
Internal Medicine Physician · Rayville, LA
666 Medicare Part D claims (2024)
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30
Anu VellankiMD
Internal Medicine Physician · Gramercy, LA
658 Medicare Part D claims (2024)
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31
James DantoniM.D.
Family Medicine Physician · Prairieville, LA
652 Medicare Part D claims (2024)
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32
Beau BrouilletteM.D.
Family Medicine Physician · Marksville, LA
648 Medicare Part D claims (2024)
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33
Thomas FontenotM.D,
Family Medicine Physician · Ville Platte, LA
640 Medicare Part D claims (2024)
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34
George CousinMD
Family Medicine Physician · New Iberia, LA
637 Medicare Part D claims (2024)
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35
T LieuxMD
Internal Medicine Physician · Baton Rouge, LA
634 Medicare Part D claims (2024)
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36
Chaillie DanielM.D.
Family Medicine Physician · St. Francisville, LA
628 Medicare Part D claims (2024)
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37
Corey Majors
Endocrinology, Diabetes & Metabolism Physician · Hammond, LA
626 Medicare Part D claims (2024)
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38
David FontenotMD
Internal Medicine Physician · Baton Rouge, LA
626 Medicare Part D claims (2024)
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39
Russell HenryM.D.
Internal Medicine Physician · Houma, LA
625 Medicare Part D claims (2024)
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40
Richard EdwardsM.D.
Family Medicine Physician · Jennings, LA
624 Medicare Part D claims (2024)
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41
Luis ArencibiaM.D.
Family Medicine Physician · Metairie, LA
623 Medicare Part D claims (2024)
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42
J WestMD
Internal Medicine Physician · Baton Rouge, LA
622 Medicare Part D claims (2024)
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43
Robert LahaskyM.D.,
Family Medicine Physician · New Iberia, LA
621 Medicare Part D claims (2024)
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44
Keith HolmesM.D.
Internal Medicine Physician · Baton Rouge, LA
614 Medicare Part D claims (2024)
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45
Benjamin LeggioMD
Family Medicine Physician · Mansfield, LA
612 Medicare Part D claims (2024)
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46
Roy KadairMD
Internal Medicine Physician · Baton Rouge, LA
611 Medicare Part D claims (2024)
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47
John KnappM.D.
Internal Medicine Physician · Prairieville, LA
611 Medicare Part D claims (2024)
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48
Thomas DavisMD
Family Medicine Physician · Oakdale, LA
610 Medicare Part D claims (2024)
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49
Brian WilderM.D.
Internal Medicine Physician · Jennings, LA
610 Medicare Part D claims (2024)
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50
Jahanyar KhorsandiM.D.
Family Medicine Physician · Breaux Bridge, LA
604 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).