Healthcare provider profile · identity verified

Byron J Marquez, DO

Family Practice · MAPLEWOOD, MN · NPI 1497714455

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 Calcium472142
LisinoprilLisinopril36499
Amlodipine BesylateAmlodipine Besylate24783
Rosuvastatin CalciumRosuvastatin Calcium24680
OmeprazoleOmeprazole21461
Losartan PotassiumLosartan Potassium17862
Tamsulosin HclTamsulosin Hcl16450
Metoprolol SuccinateMetoprolol Succinate16149
Metformin Hcl ErMetformin Hcl14850
Levothyroxine SodiumLevothyroxine Sodium14344
HydrochlorothiazideHydrochlorothiazide13046
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11935
Warfarin SodiumWarfarin Sodium10520
GabapentinGabapentin7828
Metformin HclMetformin Hcl6820
SimvastatinSimvastatin6821
TorsemideTorsemide6818
OzempicSemaglutide6711
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6621
Pantoprazole SodiumPantoprazole Sodium6416
Trazodone HclTrazodone Hcl6120
EliquisApixaban5715
Fluticasone PropionateFluticasone Propionate5726
FamotidineFamotidine5618
JardianceEmpagliflozin5615
ValsartanValsartan5629
CarvedilolCarvedilol5517
Metoprolol TartrateMetoprolol Tartrate5518
Pravastatin SodiumPravastatin Sodium5117
SpironolactoneSpironolactone4912
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4816
AllopurinolAllopurinol4216
ClopidogrelClopidogrel Bisulfate4212
Sertraline HclSertraline Hcl4213
Albuterol Sulfate HfaAlbuterol Sulfate3921
Citalopram HbrCitalopram Hydrobromide3911
GlimepirideGlimepiride3813
Fluoxetine HclFluoxetine Hcl37suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter36suppressed
Glipizide ErGlipizide3511
Cyclobenzaprine HclCyclobenzaprine Hcl3214
Hydroxyzine HclHydroxyzine Hcl30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3017
Amitriptyline HclAmitriptyline Hcl29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
Doxazosin MesylateDoxazosin Mesylate27suppressed
EzetimibeEzetimibe2713
FurosemideFurosemide2711
Tramadol HclTramadol Hcl26suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen25suppressed
Potassium ChloridePotassium Chloride24suppressed
Terazosin HclTerazosin Hcl24suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2312
TrulicityDulaglutide21suppressed
FinasterideFinasteride20suppressed
LansoprazoleLansoprazole20suppressed
Ventolin HfaAlbuterol Sulfate19suppressed
AtenololAtenolol18suppressed
MirtazapineMirtazapine17suppressed
Tizanidine HclTizanidine Hcl17suppressed
AlprazolamAlprazolam16suppressed
BaclofenBaclofen16suppressed
Escitalopram OxalateEscitalopram Oxalate16suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide15suppressed
BrilintaTicagrelor14suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic14suppressed
Alendronate SodiumAlendronate Sodium13suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate13suppressed
Hydralazine HclHydralazine Hcl13suppressed
Montelukast SodiumMontelukast Sodium13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
XareltoRivaroxaban13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro12suppressed
IrbesartanIrbesartan12suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Duloxetine HclDuloxetine Hcl11suppressed
NitroglycerinNitroglycerin11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed

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