Healthcare provider profile · identity verified

Mark A Twardowski, DO

Internal Medicine · GRAND JUNCTION, CO · NPI 1437118387

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 Calcium594159
LisinoprilLisinopril475129
Levothyroxine SodiumLevothyroxine Sodium33281
Amlodipine BesylateAmlodipine Besylate32481
Tamsulosin HclTamsulosin Hcl22457
Metformin HclMetformin Hcl20955
Losartan PotassiumLosartan Potassium19954
OmeprazoleOmeprazole18859
Pantoprazole SodiumPantoprazole Sodium13534
SimvastatinSimvastatin12631
OzempicSemaglutide12218
Metoprolol SuccinateMetoprolol Succinate12135
FurosemideFurosemide11632
GabapentinGabapentin11529
AllopurinolAllopurinol11127
EliquisApixaban10623
Tramadol HclTramadol Hcl10020
JardianceEmpagliflozin9919
Trazodone HclTrazodone Hcl9526
Metoprolol TartrateMetoprolol Tartrate8520
HydrochlorothiazideHydrochlorothiazide8025
Escitalopram OxalateEscitalopram Oxalate7918
Potassium ChloridePotassium Chloride7817
Rosuvastatin CalciumRosuvastatin Calcium6918
Pravastatin SodiumPravastatin Sodium6116
Albuterol Sulfate HfaAlbuterol Sulfate5924
Fluticasone PropionateFluticasone Propionate5617
SynthroidLevothyroxine Sodium5414
Alendronate SodiumAlendronate Sodium5117
FarxigaDapagliflozin Propanediol49suppressed
PregabalinPregabalin45suppressed
Sertraline HclSertraline Hcl44suppressed
Bupropion XlBupropion Hcl4311
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4314
Venlafaxine Hcl ErVenlafaxine Hcl41suppressed
CelecoxibCelecoxib40suppressed
FinasterideFinasteride40suppressed
Montelukast SodiumMontelukast Sodium40suppressed
Warfarin SodiumWarfarin Sodium40suppressed
GlimepirideGlimepiride39suppressed
AtenololAtenolol3811
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr36suppressed
Citalopram HbrCitalopram Hydrobromide34suppressed
ClopidogrelClopidogrel Bisulfate34suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol34suppressed
MirtazapineMirtazapine32suppressed
Tizanidine HclTizanidine Hcl32suppressed
AlprazolamAlprazolam31suppressed
XareltoRivaroxaban31suppressed
LorazepamLorazepam30suppressed
OlanzapineOlanzapine30suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl30suppressed
TrulicityDulaglutide30suppressed
Benazepril HclBenazepril Hcl29suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
RamiprilRamipril29suppressed
CarvedilolCarvedilol2811
Duloxetine HclDuloxetine Hcl28suppressed
EzetimibeEzetimibe2811
Novolog FlexpenInsulin Aspart28suppressed
PrednisonePrednisone2811
Stiolto RespimatTiotropium Br/Olodaterol Hcl28suppressed
Ropinirole HclRopinirole Hcl27suppressed
Zolpidem TartrateZolpidem Tartrate2711
Trelegy ElliptaFluticasone/Umeclidin/Vilanter26suppressed
MethotrexateMethotrexate Sodium25suppressed
Buspirone HclBuspirone Hcl24suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide23suppressed
Oxybutynin ChlorideOxybutynin Chloride23suppressed
ValsartanValsartan22suppressed
CephalexinCephalexin2114
Metformin Hcl ErMetformin Hcl21suppressed
DigoxinDigoxin20suppressed
JanuviaSitagliptin Phosphate20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
AmoxicillinAmoxicillin1917
AzathioprineAzathioprine19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog18suppressed
Donepezil HclDonepezil Hcl18suppressed
Ipratropium BromideIpratropium Bromide18suppressed
Nebivolol HclNebivolol Hcl18suppressed
AcyclovirAcyclovir17suppressed
EstradiolEstradiol17suppressed
IrbesartanIrbesartan17suppressed
TorsemideTorsemide17suppressed
Hydralazine HclHydralazine Hcl16suppressed
Quetiapine FumarateQuetiapine Fumarate16suppressed
Doxazosin MesylateDoxazosin Mesylate15suppressed
MeloxicamMeloxicam15suppressed
Ondansetron HclOndansetron Hcl15suppressed
SpironolactoneSpironolactone15suppressed
Tresiba Flextouch U-200Insulin Degludec15suppressed
BaclofenBaclofen14suppressed
Raloxifene HclRaloxifene Hcl14suppressed
Amiloride HclAmiloride Hcl13suppressed
CilostazolCilostazol13suppressed
FenofibrateFenofibrate13suppressed
Repatha SureclickEvolocumab13suppressed
Ventolin HfaAlbuterol Sulfate13suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)11suppressed
Glipizide ErGlipizide11suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate11suppressed
Morphine SulfateMorphine Sulfate11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
ValacyclovirValacyclovir Hcl11suppressed

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