Healthcare provider profile · identity verified

Ilisa Dawn Wallach, M.D.

Internal Medicine · NEW YORK, NY · NPI 1629139340

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 Calcium17868
Amlodipine BesylateAmlodipine Besylate16160
Metoprolol SuccinateMetoprolol Succinate13547
Losartan PotassiumLosartan Potassium13039
Rosuvastatin CalciumRosuvastatin Calcium11937
Levothyroxine SodiumLevothyroxine Sodium7829
Zolpidem TartrateZolpidem Tartrate7312
Metformin HclMetformin Hcl7026
HydrochlorothiazideHydrochlorothiazide6921
OmeprazoleOmeprazole5319
Pantoprazole SodiumPantoprazole Sodium5319
Albuterol Sulfate HfaAlbuterol Sulfate5116
FamotidineFamotidine5112
GabapentinGabapentin5018
LisinoprilLisinopril4212
EliquisApixaban4011
OzempicSemaglutide35suppressed
DiazepamDiazepam30suppressed
JanuviaSitagliptin Phosphate28suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads27suppressed
MirtazapineMirtazapine27suppressed
Nifedipine ErNifedipine2711
ClopidogrelClopidogrel Bisulfate24suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
AlprazolamAlprazolam23suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide23suppressed
CarvedilolCarvedilol22suppressed
FurosemideFurosemide2211
Diclofenac SodiumDiclofenac Sodium21suppressed
Duloxetine HclDuloxetine Hcl21suppressed
Tamsulosin HclTamsulosin Hcl21suppressed
Enalapril MaleateEnalapril Maleate20suppressed
Metoprolol TartrateMetoprolol Tartrate20suppressed
Fluticasone PropionateFluticasone Propionate18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
LinzessLinaclotide17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
NorvascAmlodipine Besylate17suppressed
Sertraline HclSertraline Hcl17suppressed
SynthroidLevothyroxine Sodium17suppressed
Trazodone HclTrazodone Hcl17suppressed
XareltoRivaroxaban17suppressed
JardianceEmpagliflozin15suppressed
LorazepamLorazepam15suppressed
SimvastatinSimvastatin15suppressed
CelecoxibCelecoxib14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
Dexlansoprazole DrDexlansoprazole14suppressed
Meclizine HclMeclizine Hcl14suppressed
Potassium ChloridePotassium Chloride14suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
EzetimibeEzetimibe13suppressed
GlimepirideGlimepiride13suppressed
AllopurinolAllopurinol12suppressed
AtenololAtenolol12suppressed
TradjentaLinagliptin12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
ValacyclovirValacyclovir Hcl12suppressed
RamiprilRamipril11suppressed
XalatanLatanoprost11suppressed
Zolpidem Tartrate ErZolpidem Tartrate11suppressed

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