Healthcare provider profile · identity verified

James Rupp, MD

Internal Medicine · MAYWOOD, IL · NPI 1780658815

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 Potassium32485
Atorvastatin CalciumAtorvastatin Calcium31098
Amlodipine BesylateAmlodipine Besylate26578
Levothyroxine SodiumLevothyroxine Sodium16236
Pravastatin SodiumPravastatin Sodium15244
Rosuvastatin CalciumRosuvastatin Calcium14342
Metformin HclMetformin Hcl13138
OmeprazoleOmeprazole11928
HydrochlorothiazideHydrochlorothiazide11029
SimvastatinSimvastatin10928
EzetimibeEzetimibe10837
Metoprolol TartrateMetoprolol Tartrate10429
LisinoprilLisinopril9629
Tamsulosin HclTamsulosin Hcl9631
Metoprolol SuccinateMetoprolol Succinate8018
Sertraline HclSertraline Hcl7213
ChlorthalidoneChlorthalidone6716
Albuterol Sulfate HfaAlbuterol Sulfate6620
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril6521
EliquisApixaban5712
GlipizideGlipizide5216
Alendronate SodiumAlendronate Sodium4914
FurosemideFurosemide4819
Potassium ChloridePotassium Chloride4313
CarvedilolCarvedilol4215
Pantoprazole SodiumPantoprazole Sodium3915
JanuviaSitagliptin Phosphate3811
Diltiazem 24hr Er (Cd)Diltiazem Hcl36suppressed
JardianceEmpagliflozin3611
Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl3534
GabapentinGabapentin28suppressed
Donepezil HclDonepezil Hcl27suppressed
AlprazolamAlprazolam2612
Memantine HclMemantine Hcl26suppressed
Raloxifene HclRaloxifene Hcl26suppressed
AllopurinolAllopurinol25suppressed
MyrbetriqMirabegron25suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Zolpidem TartrateZolpidem Tartrate21suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
SynthroidLevothyroxine Sodium18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Hydralazine HclHydralazine Hcl17suppressed
FinasterideFinasteride16suppressed
SpironolactoneSpironolactone16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Clonidine HclClonidine Hcl13suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)13suppressed
IndapamideIndapamide13suppressed
Nifedipine ErNifedipine13suppressed
BaclofenBaclofen12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
PrednisonePrednisone11suppressed
RamiprilRamipril11suppressed

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