Healthcare provider profile · identity verified

Viju John, M.D.

Internal Medicine · CHICAGO, IL · NPI 1831201433

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 Calcium26187
Amlodipine BesylateAmlodipine Besylate23072
GabapentinGabapentin18053
LisinoprilLisinopril14046
HydrochlorothiazideHydrochlorothiazide10537
Metformin HclMetformin Hcl10331
Duloxetine HclDuloxetine Hcl10131
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9921
Losartan PotassiumLosartan Potassium9828
Metoprolol SuccinateMetoprolol Succinate9829
Albuterol Sulfate HfaAlbuterol Sulfate8530
Fluticasone PropionateFluticasone Propionate8533
Levothyroxine SodiumLevothyroxine Sodium8024
Pantoprazole SodiumPantoprazole Sodium7225
Rosuvastatin CalciumRosuvastatin Calcium6527
CarvedilolCarvedilol6017
OmeprazoleOmeprazole5921
Pravastatin SodiumPravastatin Sodium5817
AllopurinolAllopurinol5618
Cyclobenzaprine HclCyclobenzaprine Hcl5414
Tramadol HclTramadol Hcl5413
TrulicityDulaglutide54suppressed
FurosemideFurosemide5319
Diclofenac SodiumDiclofenac Sodium5222
Trazodone HclTrazodone Hcl5218
SpironolactoneSpironolactone5115
EliquisApixaban4817
Nifedipine ErNifedipine4515
OzempicSemaglutide4511
Ipratropium BromideIpratropium Bromide4111
Triamcinolone AcetonideTriamcinolone Acetonide3820
AlprazolamAlprazolam36suppressed
FamotidineFamotidine3318
Metformin Hcl ErMetformin Hcl3213
Azelastine HclAzelastine Hcl31suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3111
Sertraline HclSertraline Hcl30suppressed
Tamsulosin HclTamsulosin Hcl29suppressed
Donepezil HclDonepezil Hcl27suppressed
Quetiapine FumarateQuetiapine Fumarate26suppressed
Alendronate SodiumAlendronate Sodium2411
Escitalopram OxalateEscitalopram Oxalate23suppressed
Tizanidine HclTizanidine Hcl23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Morphine Sulfate ErMorphine Sulfate22suppressed
Acetaminophen-CodeineAcetaminophen With Codeine21suppressed
ClopidogrelClopidogrel Bisulfate21suppressed
LidocaineLidocaine21suppressed
Montelukast SodiumMontelukast Sodium21suppressed
NaproxenNaproxen21suppressed
Ondansetron OdtOndansetron21suppressed
PregabalinPregabalin21suppressed
ChlorthalidoneChlorthalidone20suppressed
Meclizine HclMeclizine Hcl20suppressed
JardianceEmpagliflozin19suppressed
IrbesartanIrbesartan18suppressed
MeloxicamMeloxicam18suppressed
MounjaroTirzepatide18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
ValsartanValsartan18suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
Clonidine HclClonidine Hcl17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
Potassium ChloridePotassium Chloride16suppressed
Metoprolol TartrateMetoprolol Tartrate15suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic15suppressed
SimvastatinSimvastatin15suppressed
Enalapril MaleateEnalapril Maleate14suppressed
GlipizideGlipizide14suppressed
IbuprofenIbuprofen14suppressed
PrednisonePrednisone1311
Zolpidem TartrateZolpidem Tartrate13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
BumetanideBumetanide12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
EpinephrineEpinephrine12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
LoperamideLoperamide Hcl12suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads11suppressed
CarbamazepineCarbamazepine11suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
ColchicineColchicine11suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads11suppressed
FinasterideFinasteride11suppressed
JanuviaSitagliptin Phosphate11suppressed
MirtazapineMirtazapine11suppressed
Morphine SulfateMorphine 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