Healthcare provider profile · identity verified

James M Martau, MD

Internal Medicine · WESTMINSTER, CO · NPI 1053335166

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 Calcium586185
LisinoprilLisinopril381119
Amlodipine BesylateAmlodipine Besylate342111
Levothyroxine SodiumLevothyroxine Sodium325106
Losartan PotassiumLosartan Potassium23274
Tamsulosin HclTamsulosin Hcl17563
GabapentinGabapentin16252
SimvastatinSimvastatin16151
Metoprolol SuccinateMetoprolol Succinate15847
OmeprazoleOmeprazole15658
HydrochlorothiazideHydrochlorothiazide14656
Metformin HclMetformin Hcl13952
Rosuvastatin CalciumRosuvastatin Calcium13344
EliquisApixaban12231
Alendronate SodiumAlendronate Sodium12134
Pantoprazole SodiumPantoprazole Sodium8624
Tramadol HclTramadol Hcl8627
Albuterol Sulfate HfaAlbuterol Sulfate8536
AllopurinolAllopurinol8325
FurosemideFurosemide8235
Trazodone HclTrazodone Hcl7929
Glipizide ErGlipizide7723
Citalopram HbrCitalopram Hydrobromide7323
Escitalopram OxalateEscitalopram Oxalate7223
FinasterideFinasteride5520
OzempicSemaglutide5513
Pravastatin SodiumPravastatin Sodium5514
AtenololAtenolol5117
Metoprolol TartrateMetoprolol Tartrate5016
Sertraline HclSertraline Hcl4917
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4611
GlipizideGlipizide4519
Metformin Hcl ErMetformin Hcl4415
ClopidogrelClopidogrel Bisulfate4317
LovastatinLovastatin4212
CarvedilolCarvedilol4116
AlprazolamAlprazolam3713
MirtazapineMirtazapine3711
Ipratropium BromideIpratropium Bromide36suppressed
Potassium ChloridePotassium Chloride3516
Duloxetine HclDuloxetine Hcl33suppressed
EzetimibeEzetimibe3311
CephalexinCephalexin3129
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3112
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3111
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3111
ValsartanValsartan30suppressed
XareltoRivaroxaban28suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
PrednisonePrednisone2615
Bupropion XlBupropion Hcl24suppressed
Fluticasone PropionateFluticasone Propionate2412
Donepezil HclDonepezil Hcl23suppressed
JardianceEmpagliflozin23suppressed
MounjaroTirzepatide23suppressed
Levemir FlexpenInsulin Detemir22suppressed
SymbicortBudesonide/Formoterol Fumarate22suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
Buspirone HclBuspirone Hcl20suppressed
Doxazosin MesylateDoxazosin Mesylate20suppressed
LorazepamLorazepam20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
DiazepamDiazepam19suppressed
TorsemideTorsemide19suppressed
AzithromycinAzithromycin1818
CelecoxibCelecoxib18suppressed
Paroxetine HclParoxetine Hcl18suppressed
LantusInsulin Glargine,hum.Rec.Anlog17suppressed
SynthroidLevothyroxine Sodium17suppressed
Warfarin SodiumWarfarin Sodium17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Memantine HclMemantine Hcl16suppressed
PregabalinPregabalin16suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
OlanzapineOlanzapine15suppressed
SpironolactoneSpironolactone15suppressed
FebuxostatFebuxostat14suppressed
MeloxicamMeloxicam14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Risedronate SodiumRisedronate Sodium14suppressed
Ciprofloxacin HclCiprofloxacin Hcl1311
EstradiolEstradiol13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Propranolol HclPropranolol Hcl13suppressed
TemazepamTemazepam13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
Azelastine HclAzelastine Hcl12suppressed
ClonazepamClonazepam12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Doxycycline HyclateDoxycycline Hyclate1111
JanuviaSitagliptin Phosphate11suppressed
PaxlovidNirmatrelvir/Ritonavir1111
Terazosin HclTerazosin 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