Healthcare provider profile · identity verified

Peter Christopher Bigler, MD

Family Practice · THE WOODLANDS, TX · NPI 1033130042

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 Calcium506162
LisinoprilLisinopril28992
Levothyroxine SodiumLevothyroxine Sodium24073
Amlodipine BesylateAmlodipine Besylate18665
Rosuvastatin CalciumRosuvastatin Calcium16649
Metformin HclMetformin Hcl16547
Losartan PotassiumLosartan Potassium13742
SimvastatinSimvastatin9529
Tamsulosin HclTamsulosin Hcl9430
Pantoprazole SodiumPantoprazole Sodium8632
OmeprazoleOmeprazole8525
HydrochlorothiazideHydrochlorothiazide8230
Fluoxetine HclFluoxetine Hcl7827
CarvedilolCarvedilol7729
AllopurinolAllopurinol7422
Metoprolol SuccinateMetoprolol Succinate7326
FinasterideFinasteride6426
Metformin Hcl ErMetformin Hcl6422
OzempicSemaglutide6414
GabapentinGabapentin6322
Raloxifene HclRaloxifene Hcl6218
Escitalopram OxalateEscitalopram Oxalate5316
LovastatinLovastatin4813
SynthroidLevothyroxine Sodium4613
Sertraline HclSertraline Hcl4414
Testosterone CypionateTestosterone Cypionate4011
Trazodone HclTrazodone Hcl3714
Lantus SolostarInsulin Glargine,hum.Rec.Anlog36suppressed
Metoprolol TartrateMetoprolol Tartrate36suppressed
Montelukast SodiumMontelukast Sodium3613
EliquisApixaban3511
MounjaroTirzepatide35suppressed
Zolpidem TartrateZolpidem Tartrate3516
AtenololAtenolol34suppressed
LorazepamLorazepam34suppressed
Liothyronine SodiumLiothyronine Sodium3312
TemazepamTemazepam33suppressed
CelecoxibCelecoxib32suppressed
EzetimibeEzetimibe32suppressed
Alendronate SodiumAlendronate Sodium3113
ClonazepamClonazepam31suppressed
Fluticasone PropionateFluticasone Propionate3112
ClopidogrelClopidogrel Bisulfate30suppressed
FurosemideFurosemide2911
Ondansetron OdtOndansetron28suppressed
Tramadol HclTramadol Hcl28suppressed
EszopicloneEszopiclone26suppressed
Hydroxyzine HclHydroxyzine Hcl24suppressed
MeloxicamMeloxicam2413
AnastrozoleAnastrozole22suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl22suppressed
Warfarin SodiumWarfarin Sodium22suppressed
FamotidineFamotidine21suppressed
Oxybutynin Chloride ErOxybutynin Chloride21suppressed
Quetiapine FumarateQuetiapine Fumarate21suppressed
TorsemideTorsemide21suppressed
Duloxetine HclDuloxetine Hcl20suppressed
Hydralazine HclHydralazine Hcl2011
PrednisonePrednisone1911
BaclofenBaclofen18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
MirtazapineMirtazapine18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
Olmesartan MedoxomilOlmesartan Medoxomil17suppressed
Pravastatin SodiumPravastatin Sodium17suppressed
Clonidine HclClonidine Hcl15suppressed
Albuterol Sulfate HfaAlbuterol Sulfate14suppressed
AlprazolamAlprazolam14suppressed
Donepezil HclDonepezil Hcl14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1412
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Estradiol-Norethindrone AcetatEstradiol/Norethindrone Acet13suppressed
Glipizide ErGlipizide13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Tresiba Flextouch U-200Insulin Degludec13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Buspirone HclBuspirone Hcl12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Bupropion XlBupropion Hcl11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Mesalamine DrMesalamine11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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