Healthcare provider profile · identity verified

Eric Schaefer, M.D.

Internal Medicine · CHICAGO, IL · NPI 1205915550

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 Calcium520143
Amlodipine BesylateAmlodipine Besylate29382
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19435
LisinoprilLisinopril18552
Tamsulosin HclTamsulosin Hcl18049
Metformin HclMetformin Hcl17044
Levothyroxine SodiumLevothyroxine Sodium16247
Metoprolol SuccinateMetoprolol Succinate16141
OmeprazoleOmeprazole15250
GabapentinGabapentin14530
HydrochlorothiazideHydrochlorothiazide14242
Rosuvastatin CalciumRosuvastatin Calcium12636
Losartan PotassiumLosartan Potassium12439
SimvastatinSimvastatin11532
JardianceEmpagliflozin10926
OzempicSemaglutide10615
Pantoprazole SodiumPantoprazole Sodium9526
EliquisApixaban8920
AllopurinolAllopurinol7823
Albuterol Sulfate HfaAlbuterol Sulfate7721
BaclofenBaclofen60suppressed
Trazodone HclTrazodone Hcl6019
CarvedilolCarvedilol5819
Pravastatin SodiumPravastatin Sodium5717
Zolpidem TartrateZolpidem Tartrate5718
Isosorbide Mononitrate ErIsosorbide Mononitrate54suppressed
Potassium ChloridePotassium Chloride5115
AlprazolamAlprazolam5017
Fluticasone PropionateFluticasone Propionate4914
Escitalopram OxalateEscitalopram Oxalate4514
FamotidineFamotidine41suppressed
FurosemideFurosemide4117
Alendronate SodiumAlendronate Sodium3813
Diclofenac SodiumDiclofenac Sodium3615
Sertraline HclSertraline Hcl3511
EzetimibeEzetimibe3412
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide34suppressed
XareltoRivaroxaban34suppressed
Warfarin SodiumWarfarin Sodium32suppressed
GlipizideGlipizide3111
Solifenacin SuccinateSolifenacin Succinate31suppressed
Venlafaxine Hcl ErVenlafaxine Hcl31suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog30suppressed
Nifedipine ErNifedipine30suppressed
TrulicityDulaglutide30suppressed
Amitriptyline HclAmitriptyline Hcl29suppressed
FinasterideFinasteride29suppressed
IbuprofenIbuprofen2911
ValsartanValsartan29suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide28suppressed
Montelukast SodiumMontelukast Sodium28suppressed
NaproxenNaproxen28suppressed
AcyclovirAcyclovir27suppressed
Azelastine HclAzelastine Hcl27suppressed
ChlorthalidoneChlorthalidone27suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl27suppressed
PregabalinPregabalin27suppressed
SpironolactoneSpironolactone27suppressed
Alfuzosin Hcl ErAlfuzosin Hcl26suppressed
Duloxetine HclDuloxetine Hcl26suppressed
Metoprolol TartrateMetoprolol Tartrate25suppressed
Tenofovir Disoproxil FumarateTenofovir Disoproxil Fumarate25suppressed
Tramadol HclTramadol Hcl25suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter25suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
Tizanidine HclTizanidine Hcl23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide23suppressed
RamiprilRamipril21suppressed
DiazepamDiazepam20suppressed
PrednisonePrednisone1912
Acetaminophen-CodeineAcetaminophen With Codeine18suppressed
Hydralazine HclHydralazine Hcl18suppressed
FarxigaDapagliflozin Propanediol17suppressed
MeloxicamMeloxicam17suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic17suppressed
Paroxetine HclParoxetine Hcl17suppressed
ColchicineColchicine16suppressed
MyrbetriqMirabegron16suppressed
Pioglitazone HclPioglitazone Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
AzithromycinAzithromycin1513
CarbamazepineCarbamazepine15suppressed
LorazepamLorazepam15suppressed
Metformin Hcl ErMetformin Hcl15suppressed
Ropinirole HclRopinirole Hcl15suppressed
Clonidine HclClonidine Hcl14suppressed
Ipratropium BromideIpratropium Bromide14suppressed
IrbesartanIrbesartan14suppressed
MirtazapineMirtazapine14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
VascepaIcosapent Ethyl13suppressed
ZenpepLipase/Protease/Amylase13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
HydrocortisoneHydrocortisone12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Bupropion XlBupropion Hcl11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
FluconazoleFluconazole11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
NystatinNystatin11suppressed
Ondansetron OdtOndansetron11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
SynthroidLevothyroxine Sodium11suppressed
Vitamin D2Ergocalciferol (Vitamin D2)11suppressed

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