Healthcare provider profile · identity verified

Mark Micek, MD

Internal Medicine · MADISON, WI · NPI 1871620468

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 Calcium554140
Amlodipine BesylateAmlodipine Besylate33381
GabapentinGabapentin26661
OmeprazoleOmeprazole24468
Levothyroxine SodiumLevothyroxine Sodium22654
LisinoprilLisinopril21563
Rosuvastatin CalciumRosuvastatin Calcium20854
Losartan PotassiumLosartan Potassium15245
CarvedilolCarvedilol15037
Tamsulosin HclTamsulosin Hcl15037
EliquisApixaban14929
Oxycodone HclOxycodone Hcl14220
Pantoprazole SodiumPantoprazole Sodium13026
Potassium ChloridePotassium Chloride12931
Metoprolol SuccinateMetoprolol Succinate11526
ValsartanValsartan11533
JardianceEmpagliflozin11423
Sertraline HclSertraline Hcl10923
HydrochlorothiazideHydrochlorothiazide10337
Duloxetine HclDuloxetine Hcl9924
OzempicSemaglutide9613
FamotidineFamotidine9524
Fluticasone PropionateFluticasone Propionate9134
Metformin Hcl ErMetformin Hcl9126
Tizanidine HclTizanidine Hcl9113
AllopurinolAllopurinol8821
FurosemideFurosemide8719
ChlorthalidoneChlorthalidone8523
Albuterol Sulfate HfaAlbuterol Sulfate7124
LorazepamLorazepam6120
EzetimibeEzetimibe6012
SimvastatinSimvastatin5917
Trazodone HclTrazodone Hcl5818
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5718
CelecoxibCelecoxib5614
SpironolactoneSpironolactone5614
Fluoxetine HclFluoxetine Hcl4911
Warfarin SodiumWarfarin Sodium4913
Cyclobenzaprine HclCyclobenzaprine Hcl4815
Pravastatin SodiumPravastatin Sodium4812
Quetiapine FumarateQuetiapine Fumarate48suppressed
Venlafaxine Hcl ErVenlafaxine Hcl4711
Buspirone HclBuspirone Hcl46suppressed
FinasterideFinasteride4611
Metoprolol TartrateMetoprolol Tartrate46suppressed
Bupropion XlBupropion Hcl4411
Hydralazine HclHydralazine Hcl43suppressed
Zolpidem TartrateZolpidem Tartrate42suppressed
BaclofenBaclofen41suppressed
Glipizide ErGlipizide4012
Montelukast SodiumMontelukast Sodium40suppressed
Diclofenac SodiumDiclofenac Sodium3811
Escitalopram OxalateEscitalopram Oxalate3813
Metformin HclMetformin Hcl3811
PregabalinPregabalin38suppressed
ClonazepamClonazepam37suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog36suppressed
Hydroxyzine HclHydroxyzine Hcl34suppressed
EszopicloneEszopiclone33suppressed
Ondansetron OdtOndansetron3314
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3227
Tramadol HclTramadol Hcl32suppressed
ValacyclovirValacyclovir Hcl28suppressed
Methadone HclMethadone Hcl27suppressed
PrednisonePrednisone2713
TrulicityDulaglutide27suppressed
Amitriptyline HclAmitriptyline Hcl26suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog26suppressed
Benazepril HclBenazepril Hcl25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2518
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid2511
Donepezil HclDonepezil Hcl24suppressed
Doxazosin MesylateDoxazosin Mesylate24suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide24suppressed
Nifedipine ErNifedipine24suppressed
XareltoRivaroxaban24suppressed
Sumatriptan SuccinateSumatriptan Succinate23suppressed
CephalexinCephalexin2213
LansoprazoleLansoprazole22suppressed
Nortriptyline HclNortriptyline Hcl22suppressed
Oxybutynin Chloride ErOxybutynin Chloride22suppressed
Doxycycline HyclateDoxycycline Hyclate2118
EstradiolEstradiol21suppressed
Ipratropium BromideIpratropium Bromide21suppressed
LevetiracetamLevetiracetam21suppressed
LidocaineLidocaine21suppressed
Alendronate SodiumAlendronate Sodium20suppressed
Incruse ElliptaUmeclidinium Bromide20suppressed
Novolog FlexpenInsulin Aspart20suppressed
Propranolol Hcl ErPropranolol Hcl20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Memantine HclMemantine Hcl19suppressed
Spiriva RespimatTiotropium Bromide19suppressed
AtenololAtenolol18suppressed
Olmesartan MedoxomilOlmesartan Medoxomil18suppressed
DiazepamDiazepam17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
KetoconazoleKetoconazole17suppressed
MounjaroTirzepatide17suppressed
Testosterone CypionateTestosterone Cypionate17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
Bisoprolol FumarateBisoprolol Fumarate16suppressed
Carbamazepine ErCarbamazepine16suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
LamotrigineLamotrigine16suppressed
LoperamideLoperamide Hcl16suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1615
AripiprazoleAripiprazole15suppressed
LovastatinLovastatin15suppressed
NaproxenNaproxen15suppressed
Pioglitazone HclPioglitazone Hcl15suppressed
Dilt-XrDiltiazem Hcl14suppressed
HydrocortisoneHydrocortisone14suppressed
IbuprofenIbuprofen14suppressed
IrbesartanIrbesartan14suppressed
Methylphenidate HclMethylphenidate Hcl14suppressed
Morphine Sulfate ErMorphine Sulfate14suppressed
Terazosin HclTerazosin Hcl14suppressed
VascepaIcosapent Ethyl14suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
JanuviaSitagliptin Phosphate13suppressed
Prenatal Vitamin Plus Low IronPnv,calcium 72/Iron/Folic Acid13suppressed
Ranolazine ErRanolazine13suppressed
Solifenacin SuccinateSolifenacin Succinate13suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
Insulin AspartInsulin Aspart12suppressed
MethocarbamolMethocarbamol12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
Mexiletine HclMexiletine Hcl12suppressed
MirtazapineMirtazapine12suppressed
OxcarbazepineOxcarbazepine12suppressed
AzithromycinAzithromycin11suppressed
FluconazoleFluconazole11suppressed
Prazosin HclPrazosin Hcl11suppressed
Repatha SureclickEvolocumab11suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn11suppressed
Zolpidem Tartrate ErZolpidem Tartrate11suppressed

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