Healthcare provider profile · identity verified

Daniel R Drumm, M.D.

Internal Medicine · GRAND RAPIDS, MI · NPI 1003991324

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
Levothyroxine SodiumLevothyroxine Sodium588146
Atorvastatin CalciumAtorvastatin Calcium473124
OmeprazoleOmeprazole436119
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen41277
GabapentinGabapentin34271
Losartan PotassiumLosartan Potassium33888
HydrochlorothiazideHydrochlorothiazide32786
LisinoprilLisinopril29983
Amlodipine BesylateAmlodipine Besylate23466
Rosuvastatin CalciumRosuvastatin Calcium20862
AlprazolamAlprazolam20746
Metoprolol SuccinateMetoprolol Succinate19659
EliquisApixaban18936
Pantoprazole SodiumPantoprazole Sodium18753
SimvastatinSimvastatin18248
Tamsulosin HclTamsulosin Hcl16846
Tramadol HclTramadol Hcl16744
Trazodone HclTrazodone Hcl16635
FurosemideFurosemide15550
PrednisonePrednisone14890
Fluoxetine HclFluoxetine Hcl14128
CarvedilolCarvedilol13735
Escitalopram OxalateEscitalopram Oxalate13031
Sertraline HclSertraline Hcl12531
Metformin Hcl ErMetformin Hcl12132
CephalexinCephalexin11665
GlimepirideGlimepiride11630
Albuterol Sulfate HfaAlbuterol Sulfate11439
Metformin HclMetformin Hcl11427
MeloxicamMeloxicam11133
Buspirone HclBuspirone Hcl10730
Duloxetine HclDuloxetine Hcl10318
TemazepamTemazepam10118
AzithromycinAzithromycin9877
Oxybutynin Chloride ErOxybutynin Chloride9825
LorazepamLorazepam9125
Metoprolol TartrateMetoprolol Tartrate8826
Zolpidem TartrateZolpidem Tartrate8827
Cyclobenzaprine HclCyclobenzaprine Hcl8722
Montelukast SodiumMontelukast Sodium8421
MounjaroTirzepatide8414
Potassium ChloridePotassium Chloride8426
EszopicloneEszopiclone8311
Hydralazine HclHydralazine Hcl8126
Tizanidine HclTizanidine Hcl8118
AllopurinolAllopurinol7919
FamotidineFamotidine7817
Pravastatin SodiumPravastatin Sodium7720
ClonazepamClonazepam7615
Diltiazem 24hr Er (Cd)Diltiazem Hcl7619
Alendronate SodiumAlendronate Sodium7516
DiazepamDiazepam7515
LovastatinLovastatin7417
IbuprofenIbuprofen6723
ClopidogrelClopidogrel Bisulfate6519
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine65suppressed
EstradiolEstradiol6522
XareltoRivaroxaban6514
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen64suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid6421
Warfarin SodiumWarfarin Sodium6415
Doxycycline HyclateDoxycycline Hyclate6343
Amitriptyline HclAmitriptyline Hcl6112
Fluticasone PropionateFluticasone Propionate6024
AmoxicillinAmoxicillin5939
Citalopram HbrCitalopram Hydrobromide5915
Trelegy ElliptaFluticasone/Umeclidin/Vilanter5515
CelecoxibCelecoxib5421
EzetimibeEzetimibe5416
HydrocortisoneHydrocortisone5430
BenzonatateBenzonatate5341
FinasterideFinasteride5216
MethocarbamolMethocarbamol5212
Oxycodone HclOxycodone Hcl5211
AtenololAtenolol4812
Olmesartan MedoxomilOlmesartan Medoxomil4713
Donepezil HclDonepezil Hcl4316
MirtazapineMirtazapine4311
SpironolactoneSpironolactone4311
Ropinirole HclRopinirole Hcl4111
ValacyclovirValacyclovir Hcl4118
Ciprofloxacin HclCiprofloxacin Hcl4033
Meclizine HclMeclizine Hcl4014
Morphine Sulfate ErMorphine Sulfate40suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3911
NystatinNystatin3919
LansoprazoleLansoprazole3812
Prochlorperazine MaleateProchlorperazine Maleate38suppressed
Paroxetine HclParoxetine Hcl3711
Ipratropium BromideIpratropium Bromide36suppressed
Methylphenidate HclMethylphenidate Hcl36suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl36suppressed
Diltiazem HclDiltiazem Hcl35suppressed
Methadone HclMethadone Hcl34suppressed
FluconazoleFluconazole3318
Nifedipine ErNifedipine31suppressed
Solifenacin SuccinateSolifenacin Succinate31suppressed
BaclofenBaclofen30suppressed
Dicyclomine HclDicyclomine Hcl3011
LevetiracetamLevetiracetam28suppressed
Propranolol HclPropranolol Hcl28suppressed
Acetaminophen-CodeineAcetaminophen With Codeine27suppressed
JardianceEmpagliflozin26suppressed
Ondansetron HclOndansetron Hcl25suppressed
FenofibrateFenofibrate24suppressed
Hydroxyzine HclHydroxyzine Hcl24suppressed
Promethazine HclPromethazine Hcl24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol23suppressed
PaxlovidNirmatrelvir/Ritonavir2323
Pioglitazone HclPioglitazone Hcl23suppressed
TopiramateTopiramate23suppressed
Breo ElliptaFluticasone/Vilanterol22suppressed
BuprenorphineBuprenorphine22suppressed
NaproxenNaproxen22suppressed
Sumatriptan SuccinateSumatriptan Succinate22suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
LevofloxacinLevofloxacin2118
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Bisoprolol FumarateBisoprolol Fumarate20suppressed
ScopolamineScopolamine20suppressed
Testosterone CypionateTestosterone Cypionate20suppressed
TrulicityDulaglutide20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1915
Betamethasone DipropionateBetamethasone Dipropionate19suppressed
FenofibrateFenofibrate Nanocrystallized19suppressed
Hydromorphone HclHydromorphone Hcl19suppressed
IrbesartanIrbesartan19suppressed
NitrofurantoinNitrofurantoin Macrocrystal19suppressed
Carbidopa-LevodopaCarbidopa/Levodopa18suppressed
FarxigaDapagliflozin Propanediol18suppressed
Humalog Kwikpen U-100Insulin Lispro18suppressed
KetoconazoleKetoconazole18suppressed
Labetalol HclLabetalol Hcl18suppressed
SucralfateSucralfate18suppressed
SynthroidLevothyroxine Sodium18suppressed
TorsemideTorsemide18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Propranolol Hcl ErPropranolol Hcl17suppressed
TestosteroneTestosterone17suppressed
Triamcinolone AcetonideTriamcinolone Acetonide17suppressed
Verapamil SrVerapamil Hcl17suppressed
AcyclovirAcyclovir16suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip16suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
Econazole NitrateEconazole Nitrate16suppressed
Memantine Hcl ErMemantine Hcl16suppressed
NystopNystatin1611
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate15suppressed
Ondansetron OdtOndansetron1512
Silver SulfadiazineSilver Sulfadiazine15suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim15suppressed
Amiodarone HclAmiodarone Hcl14suppressed
Bupropion XlBupropion Hcl14suppressed
Clorazepate DipotassiumClorazepate Dipotassium14suppressed
Doxazosin MesylateDoxazosin Mesylate14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
PregabalinPregabalin14suppressed
Clindamycin HclClindamycin Hcl1311
Galantamine ErGalantamine Hbr13suppressed
GemfibrozilGemfibrozil13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
PrimidonePrimidone13suppressed
Rabeprazole SodiumRabeprazole Sodium13suppressed
Venlafaxine HclVenlafaxine Hcl13suppressed
Advair HfaFluticasone Propion/Salmeterol12suppressed
ElmironPentosan Polysulfate Sodium12suppressed
EnuloseLactulose12suppressed
GlipizideGlipizide12suppressed
LevocarnitineLevocarnitine12suppressed
Methenamine HippurateMethenamine Hippurate12suppressed
MethimazoleMethimazole12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
ModafinilModafinil12suppressed
Morphine SulfateMorphine Sulfate12suppressed
OxycontinOxycodone Hcl12suppressed
RizatriptanRizatriptan Benzoate12suppressed
Sildenafil CitrateSildenafil Citrate12suppressed
Verapamil ErVerapamil Hcl12suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone11suppressed
Cartia XtDiltiazem Hcl11suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
FebuxostatFebuxostat11suppressed
JanuviaSitagliptin Phosphate11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed
ValsartanValsartan11suppressed
ZolmitriptanZolmitriptan11suppressed

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