Healthcare provider profile · identity verified

Matthew A Tomcik, MD

Family Practice · CHIPPEWA FALLS, WI · NPI 1053606095

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 Calcium20575
LisinoprilLisinopril12050
Amlodipine BesylateAmlodipine Besylate11642
Pantoprazole SodiumPantoprazole Sodium11330
Losartan PotassiumLosartan Potassium10239
Metoprolol SuccinateMetoprolol Succinate10229
Levothyroxine SodiumLevothyroxine Sodium9325
OmeprazoleOmeprazole8425
FurosemideFurosemide7727
Metoprolol TartrateMetoprolol Tartrate7725
Albuterol Sulfate HfaAlbuterol Sulfate7127
HydrochlorothiazideHydrochlorothiazide6827
Duloxetine HclDuloxetine Hcl6414
EliquisApixaban6313
GabapentinGabapentin5517
Tamsulosin HclTamsulosin Hcl5514
Rosuvastatin CalciumRosuvastatin Calcium5419
Sertraline HclSertraline Hcl4917
Metformin Hcl ErMetformin Hcl4716
SimvastatinSimvastatin4117
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4021
Tramadol HclTramadol Hcl4018
Trazodone HclTrazodone Hcl3713
LovastatinLovastatin35suppressed
PregabalinPregabalin34suppressed
ClopidogrelClopidogrel Bisulfate3215
Hydroxyzine HclHydroxyzine Hcl32suppressed
Potassium ChloridePotassium Chloride3214
Lantus SolostarInsulin Glargine,hum.Rec.Anlog31suppressed
Tizanidine HclTizanidine Hcl31suppressed
MeloxicamMeloxicam30suppressed
Metformin HclMetformin Hcl3014
Cyclobenzaprine HclCyclobenzaprine Hcl29suppressed
Varenicline TartrateVarenicline Tartrate29suppressed
Fluticasone PropionateFluticasone Propionate2712
AllopurinolAllopurinol25suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads23suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
PrednisonePrednisone2120
CarvedilolCarvedilol20suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen20suppressed
OzempicSemaglutide20suppressed
Doxycycline HyclateDoxycycline Hyclate19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Oxycodone HclOxycodone Hcl19suppressed
Tolterodine Tartrate ErTolterodine Tartrate19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
Glipizide ErGlipizide18suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn18suppressed
GlipizideGlipizide17suppressed
Oxybutynin Chloride ErOxybutynin Chloride17suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Alendronate SodiumAlendronate Sodium16suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
Bupropion XlBupropion Hcl15suppressed
LorazepamLorazepam15suppressed
RamelteonRamelteon15suppressed
TrulicityDulaglutide15suppressed
JardianceEmpagliflozin14suppressed
SucralfateSucralfate14suppressed
XareltoRivaroxaban14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
MirtazapineMirtazapine13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
AmoxicillinAmoxicillin12suppressed
AzithromycinAzithromycin1211
Clonidine HclClonidine Hcl12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
NystatinNystatin12suppressed
AlprazolamAlprazolam11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed
Warfarin SodiumWarfarin Sodium11suppressed

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