Healthcare provider profile · identity verified

Douglas Brian Keim, MD

Internal Medicine · WINCHESTER, VA · NPI 1356303051

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
Amlodipine BesylateAmlodipine Besylate592154
Atorvastatin CalciumAtorvastatin Calcium484130
LisinoprilLisinopril34393
Levothyroxine SodiumLevothyroxine Sodium34277
OmeprazoleOmeprazole30476
Metformin HclMetformin Hcl24965
HydrochlorothiazideHydrochlorothiazide20556
Losartan PotassiumLosartan Potassium19955
Rosuvastatin CalciumRosuvastatin Calcium19849
MeloxicamMeloxicam19661
Pravastatin SodiumPravastatin Sodium18944
Metoprolol SuccinateMetoprolol Succinate17648
GlimepirideGlimepiride16738
IrbesartanIrbesartan16539
EliquisApixaban15940
SynthroidLevothyroxine Sodium12728
Pantoprazole SodiumPantoprazole Sodium12631
GabapentinGabapentin12422
JardianceEmpagliflozin11129
LorazepamLorazepam10320
Tamsulosin HclTamsulosin Hcl9332
Duloxetine HclDuloxetine Hcl9220
FurosemideFurosemide9230
Sertraline HclSertraline Hcl9226
CarvedilolCarvedilol9124
Metoprolol TartrateMetoprolol Tartrate8422
AllopurinolAllopurinol8320
SimvastatinSimvastatin8323
Potassium ChloridePotassium Chloride7727
Benazepril HclBenazepril Hcl7013
Escitalopram OxalateEscitalopram Oxalate6718
Albuterol Sulfate HfaAlbuterol Sulfate6334
ClopidogrelClopidogrel Bisulfate6116
AtenololAtenolol5714
Fluticasone PropionateFluticasone Propionate5721
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5714
Pioglitazone HclPioglitazone Hcl5511
SpironolactoneSpironolactone5117
EzetimibeEzetimibe4915
XareltoRivaroxaban48suppressed
Alendronate SodiumAlendronate Sodium4712
Montelukast SodiumMontelukast Sodium4719
TrulicityDulaglutide4611
ChlorthalidoneChlorthalidone42suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter42suppressed
Bisoprolol FumarateBisoprolol Fumarate39suppressed
Tramadol HclTramadol Hcl38suppressed
Zolpidem Tartrate ErZolpidem Tartrate38suppressed
ValsartanValsartan35suppressed
Trazodone HclTrazodone Hcl34suppressed
Warfarin SodiumWarfarin Sodium33suppressed
Zolpidem TartrateZolpidem Tartrate32suppressed
CelecoxibCelecoxib3112
Metformin Hcl ErMetformin Hcl30suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2924
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog29suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2928
OzempicSemaglutide29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
FinasterideFinasteride28suppressed
Donepezil HclDonepezil Hcl26suppressed
Memantine HclMemantine Hcl25suppressed
PrednisonePrednisone2521
ShingrixVaricella-Zoster Ge/As01b/Pf2517
Alfuzosin Hcl ErAlfuzosin Hcl23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate22suppressed
Propranolol Hcl ErPropranolol Hcl21suppressed
ClonazepamClonazepam20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide20suppressed
Bupropion XlBupropion Hcl19suppressed
EszopicloneEszopiclone19suppressed
GlipizideGlipizide19suppressed
Novolog FlexpenInsulin Aspart19suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
JanuviaSitagliptin Phosphate18suppressed
SymbicortBudesonide/Formoterol Fumarate18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Ropinirole HclRopinirole Hcl17suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1717
Buspirone HclBuspirone Hcl16suppressed
Fluoxetine HclFluoxetine Hcl16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Klor-Con M20Potassium Chloride16suppressed
Spiriva RespimatTiotropium Bromide16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
CephalexinCephalexin1513
LansoprazoleLansoprazole15suppressed
NexletolBempedoic Acid15suppressed
ValacyclovirValacyclovir Hcl15suppressed
AlprazolamAlprazolam14suppressed
FarxigaDapagliflozin Propanediol14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
AzithromycinAzithromycin1311
DutasterideDutasteride13suppressed
LinzessLinaclotide13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
Labetalol HclLabetalol Hcl12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed
PregabalinPregabalin11suppressed

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