Healthcare provider profile · identity verified

Thomas P Clairmont, MD

Internal Medicine · PORTSMOUTH, NH · NPI 1053415794

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
Rosuvastatin CalciumRosuvastatin Calcium598165
Amlodipine BesylateAmlodipine Besylate392106
Atorvastatin CalciumAtorvastatin Calcium390107
LisinoprilLisinopril38498
Levothyroxine SodiumLevothyroxine Sodium38198
Metoprolol SuccinateMetoprolol Succinate36697
HydrochlorothiazideHydrochlorothiazide27572
LorazepamLorazepam18049
TelmisartanTelmisartan17546
Pravastatin SodiumPravastatin Sodium16745
CarvedilolCarvedilol14237
Losartan PotassiumLosartan Potassium14144
OmeprazoleOmeprazole14143
Metformin HclMetformin Hcl13239
Pantoprazole SodiumPantoprazole Sodium13132
EliquisApixaban12432
AllopurinolAllopurinol12032
IrbesartanIrbesartan11432
SimvastatinSimvastatin11429
MirtazapineMirtazapine10926
JardianceEmpagliflozin10323
SpironolactoneSpironolactone10229
EzetimibeEzetimibe8526
Sertraline HclSertraline Hcl8124
Spironolactone-HctzSpironolact/Hydrochlorothiazid8125
TrulicityDulaglutide8012
GabapentinGabapentin7920
Metoprolol TartrateMetoprolol Tartrate7722
Zolpidem TartrateZolpidem Tartrate7317
Tamsulosin HclTamsulosin Hcl7018
AlprazolamAlprazolam6512
Escitalopram OxalateEscitalopram Oxalate6019
Trazodone HclTrazodone Hcl5616
Warfarin SodiumWarfarin Sodium5611
FurosemideFurosemide5413
ClopidogrelClopidogrel Bisulfate5014
FamotidineFamotidine5015
PrednisonePrednisone5013
CelecoxibCelecoxib49suppressed
SynthroidLevothyroxine Sodium46suppressed
FinasterideFinasteride4414
Fluoxetine HclFluoxetine Hcl3813
Donepezil HclDonepezil Hcl37suppressed
Potassium ChloridePotassium Chloride3712
Duloxetine HclDuloxetine Hcl35suppressed
OzempicSemaglutide34suppressed
Breo ElliptaFluticasone/Vilanterol33suppressed
LovastatinLovastatin32suppressed
AmoxicillinAmoxicillin3116
Humalog Kwikpen U-100Insulin Lispro31suppressed
Alendronate SodiumAlendronate Sodium29suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr29suppressed
AtenololAtenolol29suppressed
Venlafaxine Hcl ErVenlafaxine Hcl28suppressed
MounjaroTirzepatide27suppressed
Pioglitazone HclPioglitazone Hcl27suppressed
Bupropion XlBupropion Hcl26suppressed
Nebivolol HclNebivolol Hcl26suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium25suppressed
Propranolol Hcl ErPropranolol Hcl25suppressed
Amitriptyline HclAmitriptyline Hcl24suppressed
Tresiba Flextouch U-200Insulin Degludec24suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2313
IbuprofenIbuprofen23suppressed
Metformin Hcl ErMetformin Hcl23suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic23suppressed
Vitamin D2Ergocalciferol (Vitamin D2)23suppressed
PaxlovidNirmatrelvir/Ritonavir2222
ChlorthalidoneChlorthalidone21suppressed
Doxycycline HyclateDoxycycline Hyclate21suppressed
Propranolol HclPropranolol Hcl21suppressed
RamiprilRamipril20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Paroxetine HclParoxetine Hcl19suppressed
Fluticasone PropionateFluticasone Propionate18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Ropinirole HclRopinirole Hcl16suppressed
Tramadol HclTramadol Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
ClonazepamClonazepam15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl15suppressed
FenofibrateFenofibrate15suppressed
GlimepirideGlimepiride15suppressed
LamotrigineLamotrigine15suppressed
TemazepamTemazepam15suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
Memantine HclMemantine Hcl14suppressed
RybelsusSemaglutide14suppressed
XareltoRivaroxaban14suppressed
CephalexinCephalexin1311
LatanoprostLatanoprost13suppressed
Montelukast SodiumMontelukast Sodium13suppressed
Oxycodone HclOxycodone Hcl13suppressed
ValsartanValsartan13suppressed
AzithromycinAzithromycin1212
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Dexlansoprazole DrDexlansoprazole12suppressed
IndapamideIndapamide12suppressed
MethylprednisoloneMethylprednisolone12suppressed
Prasugrel HclPrasugrel 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