Healthcare provider profile · identity verified

Jason Daniel Brehmer, DO

Family Practice · NORWALK, IA · NPI 1629089974

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 Calcium32794
Amlodipine BesylateAmlodipine Besylate14740
LisinoprilLisinopril14536
Tamsulosin HclTamsulosin Hcl13735
OmeprazoleOmeprazole11841
HydrochlorothiazideHydrochlorothiazide10927
Levothyroxine SodiumLevothyroxine Sodium9228
Metformin HclMetformin Hcl9125
GabapentinGabapentin7221
Losartan PotassiumLosartan Potassium7123
Trazodone HclTrazodone Hcl7121
Pantoprazole SodiumPantoprazole Sodium7023
Metoprolol SuccinateMetoprolol Succinate6620
Pravastatin SodiumPravastatin Sodium5814
Albuterol Sulfate HfaAlbuterol Sulfate5518
Cyclobenzaprine HclCyclobenzaprine Hcl5313
SimvastatinSimvastatin5314
Sertraline HclSertraline Hcl5114
Rosuvastatin CalciumRosuvastatin Calcium5012
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4814
Warfarin SodiumWarfarin Sodium48suppressed
PrednisonePrednisone4735
AllopurinolAllopurinol43suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4118
Metoprolol TartrateMetoprolol Tartrate4011
Tramadol HclTramadol Hcl3922
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog38suppressed
OzempicSemaglutide36suppressed
Escitalopram OxalateEscitalopram Oxalate35suppressed
Duloxetine HclDuloxetine Hcl33suppressed
FamotidineFamotidine3311
MeloxicamMeloxicam3311
Bupropion XlBupropion Hcl31suppressed
CelecoxibCelecoxib30suppressed
CephalexinCephalexin3028
Metformin Hcl ErMetformin Hcl30suppressed
RybelsusSemaglutide29suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide28suppressed
Montelukast SodiumMontelukast Sodium28suppressed
Donepezil HclDonepezil Hcl27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog25suppressed
NaproxenNaproxen2516
Paroxetine HclParoxetine Hcl25suppressed
Ropinirole HclRopinirole Hcl25suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2422
Hydroxyzine HclHydroxyzine Hcl23suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
ClonazepamClonazepam22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2215
BaclofenBaclofen21suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
GlipizideGlipizide21suppressed
Novolog FlexpenInsulin Aspart21suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
GlimepirideGlimepiride19suppressed
Ondansetron OdtOndansetron19suppressed
Memantine HclMemantine Hcl18suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic17suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril16suppressed
AzithromycinAzithromycin1616
EzetimibeEzetimibe16suppressed
FinasterideFinasteride16suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
MounjaroTirzepatide14suppressed
Doxycycline HyclateDoxycycline Hyclate1312
LovastatinLovastatin13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Sildenafil CitrateSildenafil Citrate13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
AtenololAtenolol12suppressed
FenofibrateFenofibrate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
LantusInsulin Glargine,hum.Rec.Anlog11suppressed
Nifedipine ErNifedipine11suppressed
TrulicityDulaglutide11suppressed

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