Healthcare provider profile · identity verified

Amy D. Herman, M.D

Internal Medicine · NILES, IL · NPI 1861698607

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 Calcium722229
Amlodipine BesylateAmlodipine Besylate373117
Losartan PotassiumLosartan Potassium367106
Levothyroxine SodiumLevothyroxine Sodium32192
LisinoprilLisinopril24270
OmeprazoleOmeprazole22471
Metformin HclMetformin Hcl19260
HydrochlorothiazideHydrochlorothiazide17357
SimvastatinSimvastatin15551
Metoprolol SuccinateMetoprolol Succinate15249
Rosuvastatin CalciumRosuvastatin Calcium13645
GabapentinGabapentin10530
Pantoprazole SodiumPantoprazole Sodium10031
MirtazapineMirtazapine9621
JardianceEmpagliflozin9220
Pravastatin SodiumPravastatin Sodium8824
FurosemideFurosemide8529
Tramadol HclTramadol Hcl8521
Escitalopram OxalateEscitalopram Oxalate7823
Fluticasone PropionateFluticasone Propionate7733
AllopurinolAllopurinol7523
AlprazolamAlprazolam7528
Metformin Hcl ErMetformin Hcl7326
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid7019
Sertraline HclSertraline Hcl6920
Zolpidem TartrateZolpidem Tartrate6417
Alendronate SodiumAlendronate Sodium6016
EliquisApixaban5620
Albuterol Sulfate HfaAlbuterol Sulfate5322
Duloxetine HclDuloxetine Hcl5317
Tamsulosin HclTamsulosin Hcl5218
Warfarin SodiumWarfarin Sodium4815
Metoprolol TartrateMetoprolol Tartrate4714
Trazodone HclTrazodone Hcl4714
OzempicSemaglutide43suppressed
ValacyclovirValacyclovir Hcl4116
FamotidineFamotidine3814
PregabalinPregabalin38suppressed
SynthroidLevothyroxine Sodium38suppressed
Montelukast SodiumMontelukast Sodium3713
ValsartanValsartan37suppressed
CarvedilolCarvedilol3516
IrbesartanIrbesartan3513
Triamcinolone AcetonideTriamcinolone Acetonide3520
Donepezil HclDonepezil Hcl32suppressed
GlipizideGlipizide31suppressed
ClonazepamClonazepam30suppressed
EzetimibeEzetimibe3012
AtenololAtenolol2911
Bupropion XlBupropion Hcl28suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide28suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2711
LorazepamLorazepam27suppressed
ClopidogrelClopidogrel Bisulfate26suppressed
Glipizide ErGlipizide26suppressed
Quetiapine FumarateQuetiapine Fumarate24suppressed
RamiprilRamipril24suppressed
SpironolactoneSpironolactone2411
Ipratropium BromideIpratropium Bromide22suppressed
PrednisonePrednisone22suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
Azelastine HclAzelastine Hcl20suppressed
Potassium ChloridePotassium Chloride19suppressed
CelecoxibCelecoxib18suppressed
Ciprofloxacin HclCiprofloxacin Hcl1818
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
Fluoxetine HclFluoxetine Hcl18suppressed
HydrocortisoneHydrocortisone18suppressed
JanuviaSitagliptin Phosphate18suppressed
MeloxicamMeloxicam18suppressed
Memantine HclMemantine Hcl18suppressed
Enalapril MaleateEnalapril Maleate17suppressed
KetoconazoleKetoconazole17suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1614
Doxycycline HyclateDoxycycline Hyclate1614
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide16suppressed
CephalexinCephalexin1514
Nifedipine ErNifedipine15suppressed
TrulicityDulaglutide15suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
Bupropion Hcl SrBupropion Hcl14suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
Dicyclomine HclDicyclomine Hcl14suppressed
Doxazosin MesylateDoxazosin Mesylate14suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Meclizine HclMeclizine Hcl14suppressed
Bisoprolol FumarateBisoprolol Fumarate13suppressed
GlimepirideGlimepiride13suppressed
LansoprazoleLansoprazole13suppressed
Paroxetine HclParoxetine Hcl13suppressed
UrsodiolUrsodiol13suppressed
XareltoRivaroxaban13suppressed
AcyclovirAcyclovir12suppressed
EstradiolEstradiol12suppressed
GemtesaVibegron12suppressed
MupirocinMupirocin12suppressed
PaxlovidNirmatrelvir/Ritonavir1211
Pioglitazone HclPioglitazone Hcl12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone11suppressed
ChlorthalidoneChlorthalidone11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Diltiazem HclDiltiazem Hcl11suppressed
FluconazoleFluconazole11suppressed
Verapamil ErVerapamil Hcl11suppressed

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