Healthcare provider profile · identity verified

Zbigniew Dombek, M.D.

Family Practice · FITCHBURG, MA · NPI 1316907249

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
Amlodipine BesylateAmlodipine Besylate592152
SimvastatinSimvastatin443117
Atorvastatin CalciumAtorvastatin Calcium419116
LisinoprilLisinopril393104
Metformin HclMetformin Hcl24363
HydrochlorothiazideHydrochlorothiazide22658
Levothyroxine SodiumLevothyroxine Sodium22155
OmeprazoleOmeprazole18844
Losartan PotassiumLosartan Potassium15439
Metoprolol TartrateMetoprolol Tartrate14838
Albuterol Sulfate HfaAlbuterol Sulfate13326
Metoprolol SuccinateMetoprolol Succinate13135
Tamsulosin HclTamsulosin Hcl12135
Alendronate SodiumAlendronate Sodium10832
EliquisApixaban8722
ChlorthalidoneChlorthalidone8326
AllopurinolAllopurinol8023
FurosemideFurosemide7921
Pantoprazole SodiumPantoprazole Sodium6920
Pravastatin SodiumPravastatin Sodium6218
FamotidineFamotidine6117
Citalopram HbrCitalopram Hydrobromide5811
Potassium ChloridePotassium Chloride5816
JardianceEmpagliflozin5512
GabapentinGabapentin5416
XareltoRivaroxaban53suppressed
Fluoxetine HclFluoxetine Hcl5213
Sertraline HclSertraline Hcl5216
FinasterideFinasteride5112
AtenololAtenolol4814
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4711
GlipizideGlipizide44suppressed
Rosuvastatin CalciumRosuvastatin Calcium4112
Glipizide ErGlipizide38suppressed
TrulicityDulaglutide38suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog35suppressed
LovastatinLovastatin35suppressed
IbuprofenIbuprofen33suppressed
EzetimibeEzetimibe32suppressed
Trazodone HclTrazodone Hcl32suppressed
SynthroidLevothyroxine Sodium31suppressed
Paroxetine HclParoxetine Hcl29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2916
ClopidogrelClopidogrel Bisulfate26suppressed
Warfarin SodiumWarfarin Sodium26suppressed
Doxazosin MesylateDoxazosin Mesylate25suppressed
Terazosin HclTerazosin Hcl24suppressed
CarvedilolCarvedilol23suppressed
LantusInsulin Glargine,hum.Rec.Anlog23suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic23suppressed
EstradiolEstradiol22suppressed
GlimepirideGlimepiride21suppressed
PrednisonePrednisone2111
SpironolactoneSpironolactone20suppressed
Sumatriptan SuccinateSumatriptan Succinate20suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr19suppressed
Buspirone HclBuspirone Hcl18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide18suppressed
Klor-Con M20Potassium Chloride17suppressed
Metformin Hcl ErMetformin Hcl17suppressed
Qvar RedihalerBeclomethasone Dipropionate17suppressed
NystatinNystatin16suppressed
PregabalinPregabalin16suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1611
Amitriptyline HclAmitriptyline Hcl15suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
JanuviaSitagliptin Phosphate15suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl15suppressed
CilostazolCilostazol14suppressed
Clonidine HclClonidine Hcl14suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate14suppressed
CephalexinCephalexin13suppressed
FenofibrateFenofibrate13suppressed
Nifedipine ErNifedipine13suppressed
Atrovent HfaIpratropium Bromide12suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate12suppressed
Chlorhexidine GluconateChlorhexidine Gluconate12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Methenamine HippurateMethenamine Hippurate12suppressed
MirtazapineMirtazapine12suppressed

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