Healthcare provider profile · identity verified

Isaac D Pierre, MD

Family Practice · DENVER, CO · NPI 1255383949

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 Calcium34097
Levothyroxine SodiumLevothyroxine Sodium19052
Losartan PotassiumLosartan Potassium18455
Rosuvastatin CalciumRosuvastatin Calcium18457
SimvastatinSimvastatin15342
Tamsulosin HclTamsulosin Hcl12940
GabapentinGabapentin12740
Albuterol Sulfate HfaAlbuterol Sulfate12652
OmeprazoleOmeprazole12639
LisinoprilLisinopril11936
Amlodipine BesylateAmlodipine Besylate11836
Metformin HclMetformin Hcl9625
PradaxaDabigatran Etexilate Mesylate9232
Oxycodone HclOxycodone Hcl8414
Sertraline HclSertraline Hcl7923
Duloxetine HclDuloxetine Hcl7621
Tramadol HclTramadol Hcl74suppressed
Metoprolol TartrateMetoprolol Tartrate7023
Trazodone HclTrazodone Hcl6722
Fluoxetine HclFluoxetine Hcl6616
AllopurinolAllopurinol6520
Alendronate SodiumAlendronate Sodium6225
Triamcinolone AcetonideTriamcinolone Acetonide5927
Metoprolol SuccinateMetoprolol Succinate5818
Fluticasone PropionateFluticasone Propionate5525
Wixela InhubFluticasone Propion/Salmeterol5417
AcyclovirAcyclovir5320
ArexvyRsvpref3 Antigen/As01e/Pf5151
FinasterideFinasteride4813
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4612
EzetimibeEzetimibe4211
Metformin Hcl ErMetformin Hcl4213
Azelastine HclAzelastine Hcl3920
Tizanidine HclTizanidine Hcl36suppressed
AlvescoCiclesonide34suppressed
AtenololAtenolol34suppressed
FamotidineFamotidine3411
GlipizideGlipizide34suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen34suppressed
JardianceEmpagliflozin34suppressed
MeloxicamMeloxicam3415
Morphine Sulfate ErMorphine Sulfate34suppressed
Warfarin SodiumWarfarin Sodium3411
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3311
Potassium ChloridePotassium Chloride3111
Escitalopram OxalateEscitalopram Oxalate3011
FurosemideFurosemide3012
HydrochlorothiazideHydrochlorothiazide30suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf3027
EstradiolEstradiol2917
Zolpidem TartrateZolpidem Tartrate28suppressed
OxycontinOxycodone Hcl27suppressed
Pantoprazole SodiumPantoprazole Sodium2711
Doxazosin MesylateDoxazosin Mesylate26suppressed
IbuprofenIbuprofen26suppressed
LorazepamLorazepam25suppressed
EliquisApixaban24suppressed
CelecoxibCelecoxib23suppressed
Doxycycline HyclateDoxycycline Hyclate2215
SucralfateSucralfate22suppressed
CefuroximeCefuroxime Axetil2117
MirtazapineMirtazapine21suppressed
PrednisonePrednisone2118
Citalopram HbrCitalopram Hydrobromide20suppressed
Clobetasol PropionateClobetasol Propionate20suppressed
Spiriva RespimatTiotropium Bromide19suppressed
ColchicineColchicine17suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1714
SpironolactoneSpironolactone17suppressed
AlprazolamAlprazolam16suppressed
Humulin NInsulin Nph Human Isophane16suppressed
Pravastatin SodiumPravastatin Sodium16suppressed
Propranolol HclPropranolol Hcl16suppressed
Trospium ChlorideTrospium Chloride16suppressed
Bupropion XlBupropion Hcl15suppressed
LidocaineLidocaine15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
PregabalinPregabalin15suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn14suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Buspirone HclBuspirone Hcl13suppressed
CarvedilolCarvedilol13suppressed
HydrocortisoneHydrocortisone13suppressed
Naloxone HclNaloxone Hcl1312
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1212
CiclopiroxCiclopirox12suppressed
TopiramateTopiramate12suppressed
Tramadol Hcl ErTramadol Hcl12suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Ipratropium BromideIpratropium Bromide11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed

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