Healthcare provider profile · identity verified

Brian S Chadwick, MD

Obstetrics & Gynecology · VALDOSTA, GA · NPI 1336152230

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 Calcium15133
GabapentinGabapentin14228
Levothyroxine SodiumLevothyroxine Sodium13723
Potassium ChloridePotassium Chloride10418
FurosemideFurosemide10325
Amlodipine BesylateAmlodipine Besylate9824
Pantoprazole SodiumPantoprazole Sodium9523
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8423
LevetiracetamLevetiracetam6714
EliquisApixaban6616
FamotidineFamotidine64suppressed
Donepezil HclDonepezil Hcl6311
Metoprolol TartrateMetoprolol Tartrate6119
Duloxetine HclDuloxetine Hcl60suppressed
Tamsulosin HclTamsulosin Hcl5814
Sertraline HclSertraline Hcl5515
CarvedilolCarvedilol5111
ClopidogrelClopidogrel Bisulfate5013
Escitalopram OxalateEscitalopram Oxalate5013
Metformin HclMetformin Hcl4912
Trazodone HclTrazodone Hcl4911
Quetiapine FumarateQuetiapine Fumarate4811
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4615
Divalproex SodiumDivalproex Sodium4511
LisinoprilLisinopril44suppressed
Tizanidine HclTizanidine Hcl39suppressed
Buspirone HclBuspirone Hcl38suppressed
Hydralazine HclHydralazine Hcl36suppressed
Losartan PotassiumLosartan Potassium3511
Midodrine HclMidodrine Hcl32suppressed
AllopurinolAllopurinol31suppressed
MyrbetriqMirabegron30suppressed
OmeprazoleOmeprazole30suppressed
Ondansetron HclOndansetron Hcl2915
AtenololAtenolol28suppressed
Memantine HclMemantine Hcl26suppressed
Montelukast SodiumMontelukast Sodium26suppressed
PrimidonePrimidone25suppressed
SucralfateSucralfate24suppressed
LorazepamLorazepam2312
VraylarCariprazine Hcl23suppressed
Albuterol Sulfate HfaAlbuterol Sulfate21suppressed
EntrestoSacubitril/Valsartan21suppressed
GemtesaVibegron21suppressed
MirtazapineMirtazapine2111
Tramadol HclTramadol Hcl21suppressed
BumetanideBumetanide20suppressed
Oxybutynin Chloride ErOxybutynin Chloride20suppressed
CelecoxibCelecoxib19suppressed
Citalopram HbrCitalopram Hydrobromide19suppressed
MetolazoneMetolazone18suppressed
Metoprolol SuccinateMetoprolol Succinate18suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1711
TopiramateTopiramate17suppressed
Warfarin SodiumWarfarin Sodium17suppressed
CarbamazepineCarbamazepine16suppressed
LamotrigineLamotrigine16suppressed
Paroxetine HclParoxetine Hcl16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
Benztropine MesylateBenztropine Mesylate15suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate15suppressed
Valproic AcidValproic Acid15suppressed
Bisoprolol FumarateBisoprolol Fumarate14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
GlipizideGlipizide14suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate1411
Megestrol AcetateMegestrol Acetate14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim14suppressed
HydrochlorothiazideHydrochlorothiazide13suppressed
Divalproex Sodium ErDivalproex Sodium12suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
Novolin RInsulin Regular, Human12suppressed
NuedextaDextromethorphan Hbr/Quinidine12suppressed
OlanzapineOlanzapine12suppressed
PhenytoinPhenytoin12suppressed
TrulicityDulaglutide12suppressed
ClonazepamClonazepam11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
EstradiolEstradiol11suppressed
EzetimibeEzetimibe11suppressed
PregabalinPregabalin11suppressed
Ranolazine ErRanolazine11suppressed
Ropinirole HclRopinirole 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