Healthcare provider profile · identity verified

Dennis R Drews, MD

Internal Medicine · COLUMBIA, MO · NPI 1972614519

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium2663455
GabapentinGabapentin2382363
Amlodipine BesylateAmlodipine Besylate1905324
EliquisApixaban1790250
Levothyroxine SodiumLevothyroxine Sodium1753268
FurosemideFurosemide1732316
Pantoprazole SodiumPantoprazole Sodium1451292
Potassium ChloridePotassium Chloride1411243
Tamsulosin HclTamsulosin Hcl1349235
Sertraline HclSertraline Hcl1287199
Trazodone HclTrazodone Hcl1282234
CarvedilolCarvedilol1212202
Metformin HclMetformin Hcl1113162
LisinoprilLisinopril1071197
MirtazapineMirtazapine1044180
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen983185
Donepezil HclDonepezil Hcl934129
Metoprolol TartrateMetoprolol Tartrate887154
FamotidineFamotidine870134
Divalproex SodiumDivalproex Sodium839116
Losartan PotassiumLosartan Potassium839152
Duloxetine HclDuloxetine Hcl811127
Buspirone HclBuspirone Hcl762115
Metoprolol SuccinateMetoprolol Succinate686143
ClopidogrelClopidogrel Bisulfate681119
Quetiapine FumarateQuetiapine Fumarate658109
SpironolactoneSpironolactone627127
Memantine HclMemantine Hcl60889
LevetiracetamLevetiracetam58084
XareltoRivaroxaban53147
Escitalopram OxalateEscitalopram Oxalate52784
Rosuvastatin CalciumRosuvastatin Calcium50698
JardianceEmpagliflozin49069
OlanzapineOlanzapine48969
Tramadol HclTramadol Hcl451120
MyrbetriqMirabegron40742
Oxycodone HclOxycodone Hcl399127
TopiramateTopiramate39839
Montelukast SodiumMontelukast Sodium39762
SimvastatinSimvastatin39570
BaclofenBaclofen39263
OmeprazoleOmeprazole38190
Oxybutynin Chloride ErOxybutynin Chloride37948
RisperidoneRisperidone37048
Benztropine MesylateBenztropine Mesylate36856
Citalopram HbrCitalopram Hydrobromide34751
Carbidopa-LevodopaCarbidopa/Levodopa34449
Hydralazine HclHydralazine Hcl33072
Midodrine HclMidodrine Hcl31660
Fluticasone PropionateFluticasone Propionate311140
Warfarin SodiumWarfarin Sodium30539
AllopurinolAllopurinol30159
LorazepamLorazepam30053
Amiodarone HclAmiodarone Hcl29658
FinasterideFinasteride29149
Tizanidine HclTizanidine Hcl29069
Albuterol Sulfate HfaAlbuterol Sulfate289181
Lantus SolostarInsulin Glargine,hum.Rec.Anlog28495
Ondansetron HclOndansetron Hcl272159
HaloperidolHaloperidol25442
TorsemideTorsemide25460
Ropinirole HclRopinirole Hcl25244
JanuviaSitagliptin Phosphate25125
PrednisonePrednisone24194
Isosorbide Mononitrate ErIsosorbide Mononitrate24044
AripiprazoleAripiprazole23945
Fluoxetine HclFluoxetine Hcl23344
Divalproex Sodium ErDivalproex Sodium22941
NystatinNystatin227107
LatanoprostLatanoprost22364
ClonazepamClonazepam22025
Cyclobenzaprine HclCyclobenzaprine Hcl21883
HydrochlorothiazideHydrochlorothiazide21638
Doxycycline HyclateDoxycycline Hyclate215140
Pravastatin SodiumPravastatin Sodium20631
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate20588
Hydroxyzine HclHydroxyzine Hcl20461
Bupropion XlBupropion Hcl20346
FarxigaDapagliflozin Propanediol18324
LactuloseLactulose17932
Sevelamer CarbonateSevelamer Carbonate17223
Lithium CarbonateLithium Carbonate17116
CephalexinCephalexin166101
Insulin Lispro Kwikpen U-100Insulin Lispro15651
PregabalinPregabalin15640
Propranolol HclPropranolol Hcl15621
MethocarbamolMethocarbamol15151
EntrestoSacubitril/Valsartan14718
MeloxicamMeloxicam14728
OxcarbazepineOxcarbazepine14720
SucralfateSucralfate14423
Venlafaxine Hcl ErVenlafaxine Hcl14421
CelecoxibCelecoxib14326
EzetimibeEzetimibe14139
TradjentaLinagliptin139suppressed
Metformin Hcl ErMetformin Hcl13617
AlprazolamAlprazolam13320
Triamcinolone AcetonideTriamcinolone Acetonide13357
Bupropion HclBupropion Hcl13215
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13127
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12935
GlipizideGlipizide12927
Oxybutynin ChlorideOxybutynin Chloride12829
Diclofenac SodiumDiclofenac Sodium12552
Invega SustennaPaliperidone Palmitate12324
Diltiazem 24hr Er (Cd)Diltiazem Hcl12023
Clonidine HclClonidine Hcl11930
Prazosin HclPrazosin Hcl11921
Ondansetron OdtOndansetron11156
BumetanideBumetanide11027
Alendronate SodiumAlendronate Sodium10428
Colestipol HclColestipol Hcl10414
Dicyclomine HclDicyclomine Hcl10429
LamotrigineLamotrigine10220
ClozapineClozapine100suppressed
GemtesaVibegron10014
GlimepirideGlimepiride10019
Novolog FlexpenInsulin Aspart9639
Ventolin HfaAlbuterol Sulfate9655
Metoclopramide HclMetoclopramide Hcl9419
Isosorbide DinitrateIsosorbide Dinitrate9219
Paroxetine HclParoxetine Hcl9120
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav9068
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst9053
Medroxyprogesterone AcetateMedroxyprogesterone Acetate8713
TrulicityDulaglutide8721
IbuprofenIbuprofen8431
KetoconazoleKetoconazole8444
CefdinirCefdinir8166
Hydroxyzine PamoateHydroxyzine Pamoate8117
RexultiBrexpiprazole81suppressed
Doxazosin MesylateDoxazosin Mesylate8012
Insulin Aspart FlexpenInsulin Aspart8029
Albuterol SulfateAlbuterol Sulfate7849
Esomeprazole MagnesiumEsomeprazole Magnesium7726
Fluticasone-SalmeterolFluticasone Propion/Salmeterol7630
Humalog Kwikpen U-100Insulin Lispro7632
Morphine SulfateMorphine Sulfate7517
SantylCollagenase Clostridium Hist.7531
PrimidonePrimidone7413
SymbicortBudesonide/Formoterol Fumarate7326
CholestyramineCholestyramine (With Sugar)7118
NyamycNystatin7138
BrilintaTicagrelor70suppressed
Diltiazem 24hr Er (La)Diltiazem Hcl7012
Ziprasidone HclZiprasidone Hcl70suppressed
Levemir FlexpenInsulin Detemir6723
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate6628
Paliperidone ErPaliperidone6613
Pramipexole DihydrochloridePramipexole Di-Hcl6619
DigoxinDigoxin6516
FluconazoleFluconazole6539
ScopolamineScopolamine6519
ZonisamideZonisamide65suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc6317
LidocaineLidocaine6333
LovastatinLovastatin63suppressed
Fludrocortisone AcetateFludrocortisone Acetate60suppressed
LantusInsulin Glargine,hum.Rec.Anlog6028
LinzessLinaclotide6017
NystopNystatin6046
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim6043
NitroglycerinNitroglycerin5953
Alfuzosin Hcl ErAlfuzosin Hcl58suppressed
Meclizine HclMeclizine Hcl5719
ColchicineColchicine56suppressed
Diltiazem HclDiltiazem Hcl5512
Memantine Hcl ErMemantine Hcl55suppressed
AzithromycinAzithromycin5448
Chlorpromazine HclChlorpromazine Hcl5415
Insulin Glargine-YfgnInsulin Glargine-Yfgn5433
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat5313
RivastigmineRivastigmine Tartrate53suppressed
Solifenacin SuccinateSolifenacin Succinate53suppressed
Valproic AcidValproic Acid (As Sodium Salt)5313
Gentamicin SulfateGentamicin Sulfate5226
Naltrexone HclNaltrexone Hcl52suppressed
AtenololAtenolol51suppressed
Combivent RespimatIpratropium/Albuterol Sulfate5119
LevofloxacinLevofloxacin5137
Lurasidone HclLurasidone Hcl51suppressed
Morphine Sulfate ErMorphine Sulfate51suppressed
Hydromorphone HclHydromorphone Hcl50suppressed
AmoxicillinAmoxicillin4929
Brimonidine TartrateBrimonidine Tartrate4815
Ciprofloxacin HclCiprofloxacin Hcl4835
Methenamine HippurateMethenamine Hippurate4811
Silver SulfadiazineSilver Sulfadiazine4817
AmantadineAmantadine Hcl47suppressed
Breo ElliptaFluticasone/Vilanterol4716
Insulin LisproInsulin Lispro4718
Trelegy ElliptaFluticasone/Umeclidin/Vilanter4720
Sodium Chloride0.9 % Sodium Chloride4628
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid46suppressed
Acetaminophen-CodeineAcetaminophen With Codeine45suppressed
Incruse ElliptaUmeclidinium Bromide4513
MethotrexateMethotrexate Sodium45suppressed
Zolpidem TartrateZolpidem Tartrate45suppressed
AustedoDeutetrabenazine44suppressed
Haloperidol DecanoateHaloperidol Decanoate44suppressed
Prednisolone AcetatePrednisolone Acetate4417
ValsartanValsartan4411
Calcium AcetateCalcium Acetate4312
CyclosporineCyclosporine43suppressed
Olanzapine OdtOlanzapine43suppressed
Acetic AcidAcetic Acid42suppressed
Pioglitazone HclPioglitazone Hcl42suppressed
AristadaAripiprazole Lauroxil41suppressed
XifaxanRifaximin41suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa40suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate40suppressed
Tolterodine Tartrate ErTolterodine Tartrate40suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide39suppressed
CarbamazepineCarbamazepine3812
HydrocortisoneHydrocortisone3821
Bupropion Hcl SrBupropion Hcl3714
FentanylFentanyl37suppressed
BudesonideBudesonide36suppressed
Carbamazepine ErCarbamazepine36suppressed
Enoxaparin SodiumEnoxaparin Sodium3613
Diltiazem 24hr ErDiltiazem Hcl34suppressed
Quetiapine Fumarate ErQuetiapine Fumarate34suppressed
Valproic AcidValproic Acid34suppressed
ChlorthalidoneChlorthalidone33suppressed
ClotrimazoleClotrimazole3318
DiazepamDiazepam33suppressed
RivastigmineRivastigmine33suppressed
TelmisartanTelmisartan33suppressed
ClonidineClonidine32suppressed
Nifedipine ErNifedipine32suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr31suppressed
Benazepril HclBenazepril Hcl31suppressed
ErtapenemErtapenem Sodium3114
Glipizide ErGlipizide31suppressed
Timolol MaleateTimolol Maleate3113
EstradiolEstradiol3018
FenofibrateFenofibrate30suppressed
MetronidazoleMetronidazole3021
CeftriaxoneCeftriaxone Sodium2914
DapagliflozinDapagliflozin Propanediol2915
EplerenoneEplerenone29suppressed
Mycophenolate MofetilMycophenolate Mofetil29suppressed
OzempicSemaglutide2914
Phenytoin Sodium ExtendedPhenytoin Sodium Extended29suppressed
Risperdal ConstaRisperidone Microspheres29suppressed
VascepaIcosapent Ethyl29suppressed
VraylarCariprazine Hcl29suppressed
CefuroximeCefuroxime Axetil2826
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip28suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine28suppressed
Glucagon Emergency KitGlucagon2811
LansoprazoleLansoprazole28suppressed
Oseltamivir PhosphateOseltamivir Phosphate2828
AcyclovirAcyclovir27suppressed
Amitriptyline HclAmitriptyline Hcl27suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)27suppressed
LoperamideLoperamide Hcl2720
Mexiletine HclMexiletine Hcl27suppressed
MounjaroTirzepatide27suppressed
Vitamin D2Ergocalciferol (Vitamin D2)27suppressed
CalcitriolCalcitriol26suppressed
FenofibrateFenofibrate,micronized26suppressed
GemfibrozilGemfibrozil26suppressed
LacosamideLacosamide26suppressed
LevemirInsulin Detemir26suppressed
Mesalamine DrMesalamine26suppressed
RytaryCarbidopa/Levodopa26suppressed
Bisoprolol FumarateBisoprolol Fumarate25suppressed
Kapspargo SprinkleMetoprolol Succinate25suppressed
Levalbuterol HclLevalbuterol Hcl25suppressed
Spiriva HandihalerTiotropium Bromide25suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine24suppressed
Doxepin HclDoxepin Hcl24suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride24suppressed
Lithium Carbonate ErLithium Carbonate24suppressed
Lorazepam IntensolLorazepam2413
NuplazidPimavanserin Tartrate24suppressed
Ranolazine ErRanolazine24suppressed
Spiriva RespimatTiotropium Bromide2413
Tolterodine TartrateTolterodine Tartrate24suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala23suppressed
CilostazolCilostazol23suppressed
Folic AcidFolic Acid23suppressed
Galantamine HbrGalantamine Hbr23suppressed
Haloperidol LactateHaloperidol Lactate2312
Ipratropium BromideIpratropium Bromide2311
Mirabegron ErMirabegron23suppressed
MupirocinMupirocin2318
Nebivolol HclNebivolol Hcl23suppressed
Raloxifene HclRaloxifene Hcl23suppressed
CaplytaLumateperone Tosylate22suppressed
LoxapineLoxapine Succinate22suppressed
NamzaricMemantine Hcl/Donepezil Hcl22suppressed
IndapamideIndapamide21suppressed
IrbesartanIrbesartan21suppressed
OfloxacinOfloxacin21suppressed
Venlafaxine HclVenlafaxine Hcl21suppressed
AnastrozoleAnastrozole20suppressed
Arformoterol TartrateArformoterol Tartrate20suppressed
Asenapine MaleateAsenapine Maleate20suppressed
Aspirin-Dipyridamole ErAspirin/Dipyridamole20suppressed
FiaspInsulin Aspart (Niacinamide)20suppressed
HydroxyureaHydroxyurea20suppressed
ModafinilModafinil20suppressed
Verapamil HclVerapamil Hcl20suppressed
CreonLipase/Protease/Amylase19suppressed
Tresiba Flextouch U-100Insulin Degludec19suppressed
Verapamil ErVerapamil Hcl19suppressed
ZenpepLipase/Protease/Amylase19suppressed
Candesartan CilexetilCandesartan Cilexetil18suppressed
Colesevelam HclColesevelam Hcl18suppressed
DaptomycinDaptomycin18suppressed
EnuloseLactulose18suppressed
IngrezzaValbenazine Tosylate18suppressed
NovologInsulin Aspart1811
Pyridostigmine BromidePyridostigmine Bromide18suppressed
SulfasalazineSulfasalazine18suppressed
Bethanechol ChlorideBethanechol Chloride17suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol17suppressed
Cinacalcet HclCinacalcet Hcl17suppressed
DexamethasoneDexamethasone1715
Dorzolamide-TimololDorzolamide/Timolol/Pf17suppressed
MetolazoneMetolazone17suppressed
Testosterone CypionateTestosterone Cypionate17suppressed
TravoprostTravoprost17suppressed
ValacyclovirValacyclovir Hcl17suppressed
Admelog SolostarInsulin Lispro16suppressed
Azelastine HclAzelastine Hcl1612
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine16suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
Fluphenazine HclFluphenazine Hcl16suppressed
HumalogInsulin Lispro16suppressed
Insulin AspartInsulin Aspart16suppressed
Lidocaine HclLidocaine Hcl1616
Lidocaine HclLidocaine Hcl/Pf16suppressed
MethylprednisoloneMethylprednisolone1614
NitrofurantoinNitrofurantoin Macrocrystal16suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1513
LeflunomideLeflunomide15suppressed
LevocarnitineLevocarnitine15suppressed
MeropenemMeropenem15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Promethazine HclPromethazine Hcl15suppressed
Vancomycin HclVancomycin Hcl15suppressed
Advair HfaFluticasone Propion/Salmeterol14suppressed
Clindamycin HclClindamycin Hcl1411
Clomipramine HclClomipramine Hcl14suppressed
Diltiazem 12hr ErDiltiazem Hcl14suppressed
Flecainide AcetateFlecainide Acetate14suppressed
Galantamine ErGalantamine Hbr14suppressed
LinezolidLinezolid1412
OrgovyxRelugolix14suppressed
Prochlorperazine MaleateProchlorperazine Maleate14suppressed
Sevelamer HclSevelamer Hcl14suppressed
Acamprosate CalciumAcamprosate Calcium13suppressed
Arnuity ElliptaFluticasone Furoate13suppressed
Carbidopa-Levodopa-EntacaponeCarbidopa/Levodopa/Entacapone13suppressed
Cholestyramine LightCholestyramine13suppressed
DutasterideDutasteride13suppressed
Fluvoxamine Maleate ErFluvoxamine Maleate13suppressed
Insulin Degludec Pen (U-100)Insulin Degludec13suppressed
LumiganBimatoprost13suppressed
Nortriptyline HclNortriptyline Hcl13suppressed
RamiprilRamipril13suppressed
Seroquel XrQuetiapine Fumarate13suppressed
ClobazamClobazam12suppressed
Donepezil Hcl OdtDonepezil Hcl12suppressed
Dorzolamide HclDorzolamide Hcl12suppressed
GlycopyrrolateGlycopyrrolate12suppressed
LetrozoleLetrozole12suppressed
NaproxenNaproxen12suppressed
Novofine AutocoverPen Needle, Diabetic, Safety12suppressed
Polymyxin B Sul-TrimethoprimPolymyxin B Sulf/Trimethoprim1211
RhopressaNetarsudil Mesylate12suppressed
ApriDesogestrel-Ethinyl Estradiol11suppressed
Atropine SulfateAtropine Sulfate11suppressed
Bromocriptine MesylateBromocriptine Mesylate11suppressed
Dalfampridine ErDalfampridine11suppressed
DuleraMometasone/Formoterol11suppressed
EszopicloneEszopiclone11suppressed
GlucagenGlucagon11suppressed
KlayestaNystatin11suppressed
Levetiracetam ErLevetiracetam11suppressed
MisoprostolMisoprostol11suppressed
MovantikNaloxegol Oxalate11suppressed
Norethindrone AcetateNorethindrone Acetate11suppressed
PhenobarbitalPhenobarbital11suppressed
Piperacillin-TazobactamPiperacillin Sodium/Tazobactam11suppressed
TemazepamTemazepam11suppressed
Topiramate ErTopiramate11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error