Healthcare provider profile · identity verified

Bruce A Langerak, D.O.

Internal Medicine · GRAND RAPIDS, MI · NPI 1467569475

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 Calcium640177
Levothyroxine SodiumLevothyroxine Sodium571138
Amlodipine BesylateAmlodipine Besylate449120
OmeprazoleOmeprazole417113
LisinoprilLisinopril375102
HydrochlorothiazideHydrochlorothiazide25969
SimvastatinSimvastatin23659
Losartan PotassiumLosartan Potassium22559
GabapentinGabapentin21458
Metoprolol SuccinateMetoprolol Succinate19055
Tamsulosin HclTamsulosin Hcl18057
Sertraline HclSertraline Hcl16444
Escitalopram OxalateEscitalopram Oxalate15134
Rosuvastatin CalciumRosuvastatin Calcium14745
Trazodone HclTrazodone Hcl14634
Fluticasone PropionateFluticasone Propionate13848
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13539
AlprazolamAlprazolam13141
FurosemideFurosemide12335
ArexvyRsvpref3 Antigen/As01e/Pf120120
Tramadol HclTramadol Hcl12034
Duloxetine HclDuloxetine Hcl11824
EliquisApixaban11832
Metformin HclMetformin Hcl11133
AllopurinolAllopurinol10930
Pantoprazole SodiumPantoprazole Sodium10934
Potassium ChloridePotassium Chloride10836
Citalopram HbrCitalopram Hydrobromide10427
Pravastatin SodiumPravastatin Sodium9929
MeloxicamMeloxicam9830
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid9327
Montelukast SodiumMontelukast Sodium9024
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8724
MounjaroTirzepatide7512
Zolpidem TartrateZolpidem Tartrate6725
GlimepirideGlimepiride6618
Ipratropium BromideIpratropium Bromide6618
Alendronate SodiumAlendronate Sodium6518
Metformin Hcl ErMetformin Hcl6317
Boostrix TdapDiphth,pertuss(Acell),tet Vac6262
CephalexinCephalexin6244
EstradiolEstradiol5517
Paroxetine HclParoxetine Hcl5516
Bupropion XlBupropion Hcl5211
LansoprazoleLansoprazole5014
Oxybutynin Chloride ErOxybutynin Chloride5018
PrednisonePrednisone4834
Albuterol Sulfate HfaAlbuterol Sulfate4626
Buspirone HclBuspirone Hcl4614
CarvedilolCarvedilol4613
AtenololAtenolol4512
BaclofenBaclofen45suppressed
ClopidogrelClopidogrel Bisulfate4515
Ropinirole HclRopinirole Hcl4411
Cyclobenzaprine HclCyclobenzaprine Hcl4218
Doxycycline HyclateDoxycycline Hyclate4233
Lantus SolostarInsulin Glargine,hum.Rec.Anlog40suppressed
LorazepamLorazepam4018
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4033
Tizanidine HclTizanidine Hcl4014
ValacyclovirValacyclovir Hcl3915
CelecoxibCelecoxib3813
ClonazepamClonazepam3811
Diltiazem 24hr Er (Cd)Diltiazem Hcl38suppressed
Fluoxetine HclFluoxetine Hcl38suppressed
LovastatinLovastatin38suppressed
Venlafaxine Hcl ErVenlafaxine Hcl38suppressed
IbuprofenIbuprofen3614
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide35suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf3526
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3527
XareltoRivaroxaban34suppressed
AmoxicillinAmoxicillin3312
Azelastine HclAzelastine Hcl3116
Metoprolol TartrateMetoprolol Tartrate31suppressed
Propranolol Hcl ErPropranolol Hcl31suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol30suppressed
Amitriptyline HclAmitriptyline Hcl29suppressed
Qvar RedihalerBeclomethasone Dipropionate29suppressed
Verapamil ErVerapamil Hcl29suppressed
EszopicloneEszopiclone26suppressed
JanuviaSitagliptin Phosphate26suppressed
OzempicSemaglutide25suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide25suppressed
FamotidineFamotidine24suppressed
FinasterideFinasteride24suppressed
Bupropion Hcl SrBupropion Hcl23suppressed
SpironolactoneSpironolactone23suppressed
Benazepril HclBenazepril Hcl22suppressed
FenofibrateFenofibrate Nanocrystallized22suppressed
FentanylFentanyl22suppressed
MirtazapineMirtazapine22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2119
PaxlovidNirmatrelvir/Ritonavir2121
Hydroxyzine HclHydroxyzine Hcl20suppressed
MyrbetriqMirabegron19suppressed
NaproxenNaproxen19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
Warfarin SodiumWarfarin Sodium19suppressed
DiazepamDiazepam18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
MethocarbamolMethocarbamol18suppressed
Sildenafil CitrateSildenafil Citrate18suppressed
Terazosin HclTerazosin Hcl18suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate17suppressed
Enalapril MaleateEnalapril Maleate17suppressed
PremarinEstrogens, Conjugated17suppressed
TemazepamTemazepam17suppressed
TorsemideTorsemide17suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril16suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide16suppressed
Betamethasone DipropionateBetamethasone Dipropionate1611
Ciprofloxacin HclCiprofloxacin Hcl1613
Dicyclomine HclDicyclomine Hcl16suppressed
Hydralazine HclHydralazine Hcl16suppressed
ProgesteroneProgesterone, Micronized16suppressed
Solifenacin SuccinateSolifenacin Succinate16suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride15suppressed
Methylphenidate HclMethylphenidate Hcl15suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid15suppressed
AripiprazoleAripiprazole14suppressed
AzithromycinAzithromycin1313
Butalb-Acetaminoph-Caff-CodeinButalbit/Acetamin/Caff/Codeine13suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13suppressed
EzetimibeEzetimibe13suppressed
JardianceEmpagliflozin13suppressed
UrsodiolUrsodiol13suppressed
Clonidine HclClonidine Hcl12suppressed
Dantrolene SodiumDantrolene Sodium12suppressed
FenofibrateFenofibrate12suppressed
IrbesartanIrbesartan12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
RamiprilRamipril12suppressed
Donepezil HclDonepezil Hcl11suppressed
LevoxylLevothyroxine Sodium11suppressed
PregabalinPregabalin11suppressed
Raloxifene HclRaloxifene Hcl11suppressed
SynthroidLevothyroxine Sodium11suppressed
Verapamil SrVerapamil Hcl11suppressed

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