Healthcare provider profile · identity verified

John D Mclaughlin, M.D.

Internal Medicine · DEL CITY, OK · NPI 1770546418

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
Losartan PotassiumLosartan Potassium814222
Amlodipine BesylateAmlodipine Besylate692181
Levothyroxine SodiumLevothyroxine Sodium650165
Atorvastatin CalciumAtorvastatin Calcium542151
LisinoprilLisinopril503140
SimvastatinSimvastatin34391
Metformin HclMetformin Hcl29883
HydrochlorothiazideHydrochlorothiazide29587
OmeprazoleOmeprazole27677
EliquisApixaban21846
Citalopram HbrCitalopram Hydrobromide19455
Potassium ChloridePotassium Chloride16951
Metoprolol TartrateMetoprolol Tartrate15840
Pantoprazole SodiumPantoprazole Sodium15141
FurosemideFurosemide14143
Tamsulosin HclTamsulosin Hcl13842
MeloxicamMeloxicam12146
Warfarin SodiumWarfarin Sodium11118
GabapentinGabapentin10632
Metoprolol SuccinateMetoprolol Succinate10331
AzithromycinAzithromycin9972
Pioglitazone HclPioglitazone Hcl9732
CarvedilolCarvedilol9025
AllopurinolAllopurinol8930
GlipizideGlipizide8928
Sertraline HclSertraline Hcl8521
Trazodone HclTrazodone Hcl8024
Alendronate SodiumAlendronate Sodium7918
Pravastatin SodiumPravastatin Sodium7824
FinasterideFinasteride7721
Rosuvastatin CalciumRosuvastatin Calcium7721
Albuterol Sulfate HfaAlbuterol Sulfate7534
Escitalopram OxalateEscitalopram Oxalate6822
Bupropion XlBupropion Hcl6520
Terazosin HclTerazosin Hcl6516
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip6130
AlprazolamAlprazolam5917
SynthroidLevothyroxine Sodium5816
Metformin Hcl ErMetformin Hcl55suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5313
SpironolactoneSpironolactone5317
CelecoxibCelecoxib5215
JanuviaSitagliptin Phosphate5216
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim5144
EzetimibeEzetimibe5012
Zolpidem TartrateZolpidem Tartrate4911
ClopidogrelClopidogrel Bisulfate4718
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4712
Verapamil ErVerapamil Hcl4512
AtenololAtenolol4412
JardianceEmpagliflozin4211
Donepezil HclDonepezil Hcl4111
Esomeprazole MagnesiumEsomeprazole Magnesium4011
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4011
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3911
LovastatinLovastatin3612
XareltoRivaroxaban3611
IrbesartanIrbesartan34suppressed
Olmesartan MedoxomilOlmesartan Medoxomil34suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3411
AcyclovirAcyclovir3213
CephalexinCephalexin3129
Doxycycline HyclateDoxycycline Hyclate2916
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2921
Cyclobenzaprine HclCyclobenzaprine Hcl2816
Fluoxetine HclFluoxetine Hcl27suppressed
Amitriptyline HclAmitriptyline Hcl26suppressed
LorazepamLorazepam25suppressed
TemazepamTemazepam25suppressed
GemfibrozilGemfibrozil24suppressed
EstradiolEstradiol23suppressed
Duloxetine HclDuloxetine Hcl22suppressed
FamotidineFamotidine22suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
PrednisonePrednisone2213
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
Buspirone HclBuspirone Hcl21suppressed
Doxazosin MesylateDoxazosin Mesylate21suppressed
IndomethacinIndomethacin21suppressed
FenofibrateFenofibrate Nanocrystallized20suppressed
PaxlovidNirmatrelvir/Ritonavir2020
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril19suppressed
Memantine HclMemantine Hcl19suppressed
TrulicityDulaglutide18suppressed
LinzessLinaclotide17suppressed
IbuprofenIbuprofen16suppressed
AmoxicillinAmoxicillin15suppressed
Bupropion HclBupropion Hcl15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
Droplet Pen NeedlePen Needle, Diabetic15suppressed
FluconazoleFluconazole15suppressed
MirtazapineMirtazapine15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
ValsartanValsartan15suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide15suppressed
Combivent RespimatIpratropium/Albuterol Sulfate14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen1412
Insulin Lispro Kwikpen U-100Insulin Lispro14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
ClonazepamClonazepam13suppressed
Doxycycline MonohydrateDoxycycline Monohydrate13suppressed
Nifedipine ErNifedipine13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Benazepril HclBenazepril Hcl12suppressed
ColchicineColchicine12suppressed
Hydralazine HclHydralazine Hcl12suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
TorsemideTorsemide12suppressed
NabumetoneNabumetone11suppressed
Nebivolol HclNebivolol Hcl11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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