Healthcare provider profile · identity verified

Ryan Peter Bartkus, M.D.

Geriatric Medicine · ELK GROVE VILLAGE, IL · NPI 1124318837

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 Calcium442122
Levothyroxine SodiumLevothyroxine Sodium27958
Amlodipine BesylateAmlodipine Besylate23856
Sertraline HclSertraline Hcl21648
Losartan PotassiumLosartan Potassium19755
Pantoprazole SodiumPantoprazole Sodium16533
MirtazapineMirtazapine14344
EliquisApixaban13723
Metoprolol SuccinateMetoprolol Succinate12838
Potassium ChloridePotassium Chloride10620
OmeprazoleOmeprazole10530
Tamsulosin HclTamsulosin Hcl10530
Duloxetine HclDuloxetine Hcl10325
LisinoprilLisinopril10027
Trazodone HclTrazodone Hcl10023
FurosemideFurosemide9426
GabapentinGabapentin8728
JardianceEmpagliflozin8518
FamotidineFamotidine7515
Alendronate SodiumAlendronate Sodium7016
AllopurinolAllopurinol6717
AlprazolamAlprazolam6314
Donepezil HclDonepezil Hcl6322
SimvastatinSimvastatin6118
Metoprolol TartrateMetoprolol Tartrate6017
CarvedilolCarvedilol5717
ClopidogrelClopidogrel Bisulfate5615
HydrochlorothiazideHydrochlorothiazide5515
Rosuvastatin CalciumRosuvastatin Calcium5318
Metformin HclMetformin Hcl5218
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5011
Pravastatin SodiumPravastatin Sodium4815
Escitalopram OxalateEscitalopram Oxalate4611
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4524
PrednisonePrednisone4423
PregabalinPregabalin43suppressed
FinasterideFinasteride4114
ValsartanValsartan41suppressed
Tramadol HclTramadol Hcl3914
Fluticasone PropionateFluticasone Propionate3514
Bupropion XlBupropion Hcl34suppressed
SpironolactoneSpironolactone34suppressed
XareltoRivaroxaban34suppressed
Glipizide ErGlipizide33suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3027
OzempicSemaglutide30suppressed
ClonazepamClonazepam29suppressed
FarxigaDapagliflozin Propanediol29suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet29suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog27suppressed
Citalopram HbrCitalopram Hydrobromide27suppressed
Hydralazine HclHydralazine Hcl27suppressed
Metformin Hcl ErMetformin Hcl27suppressed
Propranolol HclPropranolol Hcl27suppressed
Bethanechol ChlorideBethanechol Chloride26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl25suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
TrintellixVortioxetine Hydrobromide25suppressed
BaclofenBaclofen23suppressed
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
Oxycodone HclOxycodone Hcl23suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide22suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2115
LatanoprostLatanoprost20suppressed
Midodrine HclMidodrine Hcl20suppressed
Warfarin SodiumWarfarin Sodium20suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1913
LorazepamLorazepam19suppressed
CefdinirCefdinir1816
GlimepirideGlimepiride18suppressed
AzithromycinAzithromycin1712
Clonidine HclClonidine Hcl17suppressed
Doxycycline HyclateDoxycycline Hyclate1712
JanuviaSitagliptin Phosphate17suppressed
MyrbetriqMirabegron17suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic17suppressed
Insulin Aspart FlexpenInsulin Aspart16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
RisperidoneRisperidone16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
Carbidopa-LevodopaCarbidopa/Levodopa15suppressed
CelecoxibCelecoxib14suppressed
Enoxaparin SodiumEnoxaparin Sodium14suppressed
NitrofurantoinNitrofurantoin Macrocrystal14suppressed
Tizanidine HclTizanidine Hcl14suppressed
TrulicityDulaglutide14suppressed
BumetanideBumetanide13suppressed
DiazepamDiazepam13suppressed
EntrestoSacubitril/Valsartan13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
PaxlovidNirmatrelvir/Ritonavir1313
AcarboseAcarbose12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
PhenobarbitalPhenobarbital12suppressed
PhenytoinPhenytoin12suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended12suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic12suppressed
Betamethasone DipropionateBetamethasone Dipropionate11suppressed
EzetimibeEzetimibe11suppressed
KetoconazoleKetoconazole11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed

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