Healthcare provider profile · identity verified

Robert Ander, MD

Family Practice · CHICAGO, IL · NPI 1588051122

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 Calcium565167
Amlodipine BesylateAmlodipine Besylate29578
Levothyroxine SodiumLevothyroxine Sodium23355
LisinoprilLisinopril21162
Metoprolol SuccinateMetoprolol Succinate19043
SimvastatinSimvastatin18448
Metformin HclMetformin Hcl18351
Losartan PotassiumLosartan Potassium16151
HydrochlorothiazideHydrochlorothiazide13840
OmeprazoleOmeprazole11431
AlprazolamAlprazolam11327
Rosuvastatin CalciumRosuvastatin Calcium10936
AllopurinolAllopurinol10626
Metformin Hcl ErMetformin Hcl10127
Sertraline HclSertraline Hcl9725
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7821
Pravastatin SodiumPravastatin Sodium7820
Pantoprazole SodiumPantoprazole Sodium7322
Escitalopram OxalateEscitalopram Oxalate7124
Tamsulosin HclTamsulosin Hcl7021
LorazepamLorazepam6817
Trazodone HclTrazodone Hcl6822
Zolpidem TartrateZolpidem Tartrate6516
FurosemideFurosemide6018
Duloxetine HclDuloxetine Hcl5816
GabapentinGabapentin5816
SpironolactoneSpironolactone56suppressed
GlimepirideGlimepiride5316
IrbesartanIrbesartan5314
CarvedilolCarvedilol5214
Montelukast SodiumMontelukast Sodium5218
SynthroidLevothyroxine Sodium4912
EliquisApixaban48suppressed
Fluticasone PropionateFluticasone Propionate4820
ValsartanValsartan4814
Benazepril HclBenazepril Hcl4411
Tizanidine HclTizanidine Hcl4212
AtenololAtenolol4012
MeloxicamMeloxicam3914
Tramadol HclTramadol Hcl37suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide3612
Citalopram HbrCitalopram Hydrobromide35suppressed
ClopidogrelClopidogrel Bisulfate34suppressed
Bupropion XlBupropion Hcl32suppressed
GlipizideGlipizide32suppressed
OzempicSemaglutide32suppressed
FinasterideFinasteride30suppressed
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
CelecoxibCelecoxib2813
Metoprolol TartrateMetoprolol Tartrate28suppressed
FenofibrateFenofibrate Nanocrystallized27suppressed
CalcitriolCalcitriol26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl26suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2517
FamotidineFamotidine25suppressed
Ipratropium BromideIpratropium Bromide25suppressed
Potassium ChloridePotassium Chloride24suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2311
Warfarin SodiumWarfarin Sodium23suppressed
MounjaroTirzepatide22suppressed
Terazosin HclTerazosin Hcl22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril20suppressed
EzetimibeEzetimibe20suppressed
ValacyclovirValacyclovir Hcl20suppressed
JardianceEmpagliflozin19suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride19suppressed
Olmesartan MedoxomilOlmesartan Medoxomil19suppressed
LovastatinLovastatin18suppressed
TorsemideTorsemide18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
ClonazepamClonazepam15suppressed
MethylprednisoloneMethylprednisolone1513
PrednisonePrednisone15suppressed
TemazepamTemazepam15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1513
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
Cyproheptadine HclCyproheptadine Hcl14suppressed
RisperidoneRisperidone14suppressed
Alfuzosin Hcl ErAlfuzosin Hcl13suppressed
Azelastine HclAzelastine Hcl13suppressed
Ciprofloxacin HclCiprofloxacin Hcl1311
FenofibrateFenofibrate13suppressed
BumetanideBumetanide12suppressed
Divalproex SodiumDivalproex Sodium12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide12suppressed
MirtazapineMirtazapine12suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
Enalapril MaleateEnalapril Maleate11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed

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