Physician profile

Sheldon Greenberg

Nephrology (Internal Medicine) · Brooklyn, NY

NPI 1831270305

$973.25

in general payments reported to CMS, 2019-2025

5 companies · $262 in 2025

The $262 reported for 2025 was less than what a typical Nephrology (Internal Medicine) provider received nationally (typical 2025 total: $311).

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)
Food and Beverage$686.63
Education$24.61

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
Akebia Therapeutics INC $445.90 2021-2025 Auryxia, Vafseo
Vifor Pharma, INC. $234.30 2022-2025 Veltassa
Fresenius USA Marketing, INC. $215.05 2021-2025 Velphoro, Velphoro
Astrazeneca Pharmaceuticals LP $48.55 2019-2020
Otsuka America Pharmaceutical, INC. $29.45 2025 Jynarque

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.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

Sheldon Greenberg

$973.25

in general payments reported 2019-2025

Years
2019-2025
Top company
Akebia Therapeutics INC
Context
The $262 reported for 2025 was less than what a typical Nephrology (Internal Medicine) provider received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/82887/sheldon-greenberg

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

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

Watch this doctor

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.