Healthcare provider profile · identity verified

Lisa Ann Ryan, MD

Internal Medicine · CHICAGO, IL · NPI 1710207444

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 Calcium526179
Amlodipine BesylateAmlodipine Besylate29299
Metformin HclMetformin Hcl18563
HydrochlorothiazideHydrochlorothiazide14747
Losartan PotassiumLosartan Potassium13252
LisinoprilLisinopril12944
Albuterol Sulfate HfaAlbuterol Sulfate12756
Metoprolol SuccinateMetoprolol Succinate11539
Tamsulosin HclTamsulosin Hcl11335
GabapentinGabapentin10141
Levothyroxine SodiumLevothyroxine Sodium8424
Tramadol HclTramadol Hcl7529
Pantoprazole SodiumPantoprazole Sodium7429
CarvedilolCarvedilol6823
EliquisApixaban6523
Enalapril MaleateEnalapril Maleate5919
Fluticasone PropionateFluticasone Propionate5919
GlipizideGlipizide5821
Nifedipine ErNifedipine5621
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5315
Trazodone HclTrazodone Hcl5322
FurosemideFurosemide5219
OmeprazoleOmeprazole5027
Rosuvastatin CalciumRosuvastatin Calcium5018
IbuprofenIbuprofen4726
Focalin XrDexmethylphenidate Hcl43suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4314
ChlorthalidoneChlorthalidone4213
SimvastatinSimvastatin4213
MeloxicamMeloxicam3914
Potassium ChloridePotassium Chloride3914
OzempicSemaglutide3811
PrednisonePrednisone3821
FamotidineFamotidine36suppressed
Montelukast SodiumMontelukast Sodium3613
TrulicityDulaglutide3511
FinasterideFinasteride33suppressed
Pravastatin SodiumPravastatin Sodium3215
JardianceEmpagliflozin3115
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3014
SpironolactoneSpironolactone3011
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
AllopurinolAllopurinol2811
Donepezil HclDonepezil Hcl28suppressed
Olmesartan MedoxomilOlmesartan Medoxomil26suppressed
Oxybutynin ChlorideOxybutynin Chloride26suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med24suppressed
Metformin Hcl ErMetformin Hcl24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
Metoprolol TartrateMetoprolol Tartrate23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2212
Levemir FlexpenInsulin Detemir22suppressed
Alendronate SodiumAlendronate Sodium21suppressed
AtenololAtenolol21suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride21suppressed
ValsartanValsartan21suppressed
CelecoxibCelecoxib19suppressed
Diclofenac SodiumDiclofenac Sodium19suppressed
Invega SustennaPaliperidone Palmitate19suppressed
ClopidogrelClopidogrel Bisulfate18suppressed
FarxigaDapagliflozin Propanediol18suppressed
LovastatinLovastatin18suppressed
MirtazapineMirtazapine18suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic1811
Amitriptyline HclAmitriptyline Hcl17suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril17suppressed
EzetimibeEzetimibe17suppressed
Duloxetine HclDuloxetine Hcl16suppressed
Haloperidol DecanoateHaloperidol Decanoate16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Sertraline HclSertraline Hcl16suppressed
VascepaIcosapent Ethyl16suppressed
XareltoRivaroxaban16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
Breo ElliptaFluticasone/Vilanterol15suppressed
LidocaineLidocaine15suppressed
NovologInsulin Aspart15suppressed
BaclofenBaclofen14suppressed
Glipizide ErGlipizide14suppressed
Memantine HclMemantine Hcl14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
RisperidoneRisperidone14suppressed
Spiriva RespimatTiotropium Bromide14suppressed
TradjentaLinagliptin14suppressed
ValacyclovirValacyclovir Hcl14suppressed
CalcitriolCalcitriol13suppressed
LorazepamLorazepam13suppressed
Novolog FlexpenInsulin Aspart13suppressed
Sildenafil CitrateSildenafil Citrate13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Vitamin D2Ergocalciferol (Vitamin D2)1313
EntrestoSacubitril/Valsartan12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
FluconazoleFluconazole12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Folic AcidFolic Acid11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Soliqua 100-33Insulin Glargine/Lixisenatide11suppressed

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