Healthcare provider profile · identity verified

Brian Thomas Dimarzio, M.D.

Family Practice · GRAND JUNCTION, CO · NPI 1922132075

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 Calcium18857
Levothyroxine SodiumLevothyroxine Sodium17353
Amlodipine BesylateAmlodipine Besylate13141
Pantoprazole SodiumPantoprazole Sodium13147
GabapentinGabapentin12640
OmeprazoleOmeprazole12132
LisinoprilLisinopril10942
SimvastatinSimvastatin9830
Tamsulosin HclTamsulosin Hcl9836
Albuterol Sulfate HfaAlbuterol Sulfate9328
EliquisApixaban8621
Losartan PotassiumLosartan Potassium8330
Metformin HclMetformin Hcl6421
Metformin Hcl ErMetformin Hcl5720
Metoprolol SuccinateMetoprolol Succinate5319
Metoprolol TartrateMetoprolol Tartrate5115
HydrochlorothiazideHydrochlorothiazide4717
Tramadol HclTramadol Hcl46suppressed
GlipizideGlipizide4411
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4311
MounjaroTirzepatide39suppressed
Rosuvastatin CalciumRosuvastatin Calcium3916
Alendronate SodiumAlendronate Sodium3813
PregabalinPregabalin3812
Sumatriptan SuccinateSumatriptan Succinate38suppressed
AllopurinolAllopurinol3711
ClopidogrelClopidogrel Bisulfate3713
FurosemideFurosemide3713
Sertraline HclSertraline Hcl37suppressed
Escitalopram OxalateEscitalopram Oxalate3612
Zolpidem TartrateZolpidem Tartrate36suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol35suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl34suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide34suppressed
MeloxicamMeloxicam3112
Potassium ChloridePotassium Chloride3015
AlprazolamAlprazolam28suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
JardianceEmpagliflozin28suppressed
LevetiracetamLevetiracetam27suppressed
LoperamideLoperamide Hcl26suppressed
Trazodone HclTrazodone Hcl2612
ClonazepamClonazepam25suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Combivent RespimatIpratropium/Albuterol Sulfate23suppressed
AtenololAtenolol22suppressed
CephalexinCephalexin2213
Stiolto RespimatTiotropium Br/Olodaterol Hcl22suppressed
Amitriptyline HclAmitriptyline Hcl21suppressed
Breo ElliptaFluticasone/Vilanterol21suppressed
JanuviaSitagliptin Phosphate21suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
Montelukast SodiumMontelukast Sodium20suppressed
CarvedilolCarvedilol19suppressed
Paroxetine HclParoxetine Hcl18suppressed
Ondansetron HclOndansetron Hcl17suppressed
FinasterideFinasteride16suppressed
PrednisonePrednisone1611
Propranolol Hcl ErPropranolol Hcl16suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
SpironolactoneSpironolactone15suppressed
LovastatinLovastatin14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
BaclofenBaclofen13suppressed
LorazepamLorazepam13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
FarxigaDapagliflozin Propanediol12suppressed
Nortriptyline HclNortriptyline Hcl12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Glipizide ErGlipizide11suppressed
IbuprofenIbuprofen11suppressed
Ondansetron OdtOndansetron11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
TestosteroneTestosterone11suppressed
Tizanidine HclTizanidine Hcl11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1111

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