Healthcare provider profile · identity verified

Katherine Tynus, MD

Internal Medicine · OAK LAWN, IL · NPI 1932133766

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 Calcium235101
Losartan PotassiumLosartan Potassium12451
Metformin HclMetformin Hcl9546
Diclofenac SodiumDiclofenac Sodium9228
Amlodipine BesylateAmlodipine Besylate8637
Levothyroxine SodiumLevothyroxine Sodium7827
JardianceEmpagliflozin7421
Metoprolol SuccinateMetoprolol Succinate6127
LisinoprilLisinopril6029
TradjentaLinagliptin6014
Albuterol Sulfate HfaAlbuterol Sulfate5312
ClotrimazoleClotrimazole5218
Rosuvastatin CalciumRosuvastatin Calcium4922
HydrochlorothiazideHydrochlorothiazide4720
OmeprazoleOmeprazole4526
GlipizideGlipizide4317
Pantoprazole SodiumPantoprazole Sodium4318
TrulicityDulaglutide43suppressed
GabapentinGabapentin4221
Tamsulosin HclTamsulosin Hcl4121
Alcohol Prep PadsAlcohol Antiseptic Pads4014
Metformin Hcl ErMetformin Hcl4016
Enalapril MaleateEnalapril Maleate3914
Sertraline HclSertraline Hcl32suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3014
Pravastatin SodiumPravastatin Sodium27suppressed
CarvedilolCarvedilol2514
Fluticasone PropionateFluticasone Propionate2512
JentaduetoLinagliptin/Metformin Hcl24suppressed
FurosemideFurosemide23suppressed
Glipizide ErGlipizide22suppressed
Trazodone HclTrazodone Hcl22suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads21suppressed
EliquisApixaban21suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog20suppressed
ChlorthalidoneChlorthalidone2011
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic20suppressed
Advair HfaFluticasone Propion/Salmeterol19suppressed
KetoconazoleKetoconazole19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Nifedipine ErNifedipine19suppressed
Pioglitazone HclPioglitazone Hcl19suppressed
Benazepril HclBenazepril Hcl18suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
MyrbetriqMirabegron16suppressed
FamotidineFamotidine15suppressed
JanuviaSitagliptin Phosphate15suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide15suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp15suppressed
Donepezil HclDonepezil Hcl14suppressed
Duloxetine HclDuloxetine Hcl13suppressed
GlimepirideGlimepiride13suppressed
JanumetSitagliptin Phos/Metformin Hcl13suppressed
Meclizine HclMeclizine Hcl13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
Azelastine HclAzelastine Hcl12suppressed
Citalopram HbrCitalopram Hydrobromide12suppressed
LovastatinLovastatin12suppressed
Trueplus Pen NeedlePen Needle, Diabetic12suppressed
FinasterideFinasteride11suppressed
Metoprolol TartrateMetoprolol Tartrate11suppressed
Potassium ChloridePotassium Chloride11suppressed
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