Healthcare provider profile · identity verified

Thomas Lawson Mauser, D.O.

Internal Medicine · CHESAPEAKE, VA · NPI 1376568113

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 Calcium27883
Losartan PotassiumLosartan Potassium25770
Levothyroxine SodiumLevothyroxine Sodium24861
Metoprolol SuccinateMetoprolol Succinate23158
Amlodipine BesylateAmlodipine Besylate21262
FurosemideFurosemide17148
OmeprazoleOmeprazole16142
Rosuvastatin CalciumRosuvastatin Calcium13741
Montelukast SodiumMontelukast Sodium13433
Potassium ChloridePotassium Chloride13032
Sertraline HclSertraline Hcl12634
HydrochlorothiazideHydrochlorothiazide12534
CarvedilolCarvedilol12229
MeloxicamMeloxicam11832
Pantoprazole SodiumPantoprazole Sodium11635
LisinoprilLisinopril10629
PrednisonePrednisone10256
Metformin HclMetformin Hcl9623
SimvastatinSimvastatin9525
EliquisApixaban9418
Tramadol HclTramadol Hcl8523
GabapentinGabapentin8421
Tamsulosin HclTamsulosin Hcl8123
Fluticasone PropionateFluticasone Propionate6124
AlprazolamAlprazolam6014
Hydralazine HclHydralazine Hcl6014
Glipizide ErGlipizide5916
Enalapril MaleateEnalapril Maleate5816
FinasterideFinasteride5519
Albuterol Sulfate HfaAlbuterol Sulfate4625
Doxycycline HyclateDoxycycline Hyclate4631
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen45suppressed
Doxazosin MesylateDoxazosin Mesylate4211
EzetimibeEzetimibe40suppressed
LorazepamLorazepam40suppressed
OzempicSemaglutide40suppressed
SynthroidLevothyroxine Sodium40suppressed
Trazodone HclTrazodone Hcl40suppressed
ClopidogrelClopidogrel Bisulfate39suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3912
JanuviaSitagliptin Phosphate3813
DutasterideDutasteride36suppressed
FamotidineFamotidine3611
Isosorbide Mononitrate ErIsosorbide Mononitrate34suppressed
Warfarin SodiumWarfarin Sodium34suppressed
Paroxetine HclParoxetine Hcl33suppressed
CephalexinCephalexin3227
AllopurinolAllopurinol31suppressed
BumetanideBumetanide30suppressed
Carbidopa-LevodopaCarbidopa/Levodopa29suppressed
ClonazepamClonazepam28suppressed
MirtazapineMirtazapine28suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
Nifedipine ErNifedipine27suppressed
Breo ElliptaFluticasone/Vilanterol26suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
Donepezil HclDonepezil Hcl25suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2418
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen24suppressed
RamiprilRamipril24suppressed
FentanylFentanyl23suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2311
Pravastatin SodiumPravastatin Sodium23suppressed
Wixela InhubFluticasone Propion/Salmeterol23suppressed
Ropinirole HclRopinirole Hcl22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
Diclofenac SodiumDiclofenac Sodium2111
SpironolactoneSpironolactone21suppressed
Amiodarone HclAmiodarone Hcl20suppressed
Fluoxetine HclFluoxetine Hcl20suppressed
Escitalopram OxalateEscitalopram Oxalate19suppressed
Midodrine HclMidodrine Hcl19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
Humalog Kwikpen U-100Insulin Lispro18suppressed
LantusInsulin Glargine,hum.Rec.Anlog18suppressed
Pioglitazone HclPioglitazone Hcl18suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1813
Triamcinolone AcetonideTriamcinolone Acetonide1811
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Alendronate SodiumAlendronate Sodium16suppressed
AtenololAtenolol16suppressed
LevofloxacinLevofloxacin1615
Meclizine HclMeclizine Hcl1611
Droplet Pen NeedlePen Needle, Diabetic15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Spiriva HandihalerTiotropium Bromide14suppressed
Buspirone HclBuspirone Hcl13suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Benazepril HclBenazepril Hcl12suppressed
Ciprofloxacin HclCiprofloxacin Hcl12suppressed
Clonidine HclClonidine Hcl12suppressed
LansoprazoleLansoprazole12suppressed
OlanzapineOlanzapine12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
Verapamil ErVerapamil Hcl12suppressed
AzithromycinAzithromycin1111
Metformin Hcl ErMetformin Hcl11suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Zolpidem TartrateZolpidem Tartrate11suppressed

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