Physician profile

Kenneth Lieberman

Pediatric Nephrology · Hackensack, NJ

NPI 1174582951

$143,622.66

in general payments reported to CMS, 2019-2025

21 companies · $39K in 2025

The $39K reported for 2025 was more than what 98% of Pediatric Nephrology providers received nationally (typical 2025 total: $131).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Honoraria$55,275.00
Consulting Fee$24,676.00
Compensation For Serving As Faculty Or As A Speaker For A Medical Education Program$8,682.50
Travel and Lodging$8,657.66
Food and Beverage$4,168.28
Education$13.24

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Calliditas Therapeutics US INC. $62,918.72 2022-2025 Tarpeyo
Alexion Pharmaceuticals, INC. $23,476.44 2019-2025 Ultomiris
Travere Therapeutics, INC. $22,518.68 2019-2025 Filspari, Thiola
Apellis Pharmaceuticals, INC. $12,878.23 2022-2025 Empaveli
Horizon Therapeutics Plc $10,840.00 2019-2023 Procysbi
Novartis Pharmaceuticals Corporation $7,153.02 2019-2025
Otsuka Pharmaceutical Development & Commercialization, INC. $2,640.00 2024
Novo Nordisk INC $460.00 2022
Aurinia Pharma U.S., INC. $133.19 2024 Lupkynis
Vertex Pharmaceuticals Incorporated $129.16 2022
Sanofi-Aventis U.S. LLC $121.07 2023
Genzyme Corporation $120.29 2024
Otsuka America Pharmaceutical, INC. $105.39 2019
Nxstage Medical, INC. $77.98 2025 Nxstage System One
Novo Nordisk Health Care Ag $50.49 2023

6 companies reported research payments only; those appear in the research section below.

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

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Payment summary

Kenneth Lieberman

$143,622.66

in general payments reported 2019-2025

Years
2019-2025
Top company
Calliditas Therapeutics US INC.
Context
The $39K reported for 2025 was more than what 98% of Pediatric Nephrology providers received nationally (typical 2025 total: $131).

https://glasscript.com/doctor/8374/kenneth-lieberman

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.