Physician profile

Michael W Roppolo

Nephrology (Internal Medicine) · Baton Rouge, LA

NPI 1639172687

$12,801.30

in general payments reported to CMS, 2019-2025

35 companies · $5,065 in 2025

The $5,065 reported for 2025 was more than what 93% of Nephrology (Internal Medicine) providers 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$4,830.41
Consulting Fee$2,400.00
Travel and Lodging$1,069.63
Education$21.00

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
Fresenius USA Marketing, INC. $5,933.23 2019-2025 Velphoro, Velphoro, Korsuva
Astrazeneca Pharmaceuticals LP $1,127.03 2019-2025 Lokelma, Farxiga
Akebia Therapeutics INC $1,123.11 2019-2025 Auryxia, Vafseo
Vifor Pharma, INC. $918.86 2019-2025 Veltassa, Korsuva
Mallinckrodt Hospital Products INC. $383.23 2020-2024 Acthar, Terlivaz
Otsuka America Pharmaceutical, INC. $362.13 2019-2025 Jynarque, Voyxact
Medtronic, INC. $358.83 2021-2023 Ellipsys Vascular Access System
Bayer Healthcare Pharmaceuticals INC. $358.05 2022-2025
Novartis Pharmaceuticals Corporation $298.90 2023-2025
Amgen INC. $273.92 2019-2025 Krystexxa, Tavneos
Baxter Healthcare $205.80 2022-2023
Alexion Pharmaceuticals, INC. $185.86 2022-2025 Ultomiris
Aurinia Pharma U.S., INC. $176.74 2021-2024 Lupkynis
Genzyme Corporation $152.36 2023
Opko Pharmaceuticals, LLC $138.22 2019-2025 Rayaldee
Show all 29 companies
CompanyGeneral paymentsYearsTop products
Glaxosmithkline, LLC. $132.92 2023 Benlysta
Nxstage Medical, INC. $101.01 2022-2023 Nxstage System One
Boehringer Ingelheim Pharmaceuticals, INC. $100.25 2023-2025 Jardiance
W. L. Gore & Associates, INC. $66.67 2019
Calliditas Therapeutics US INC. $63.58 2022-2023 Tarpeyo
Abiomed $60.22 2020
Daiichi Sankyo INC. $56.25 2024 Injectafer
Ultragenyx Pharmaceutical INC. $53.83 2020-2023
Ani Pharmaceuticals, INC. $52.33 2022-2025 Purified Cortrophin Gel
Horizon Therapeutics Plc $32.19 2019-2023 Krystexxa
Novo Nordisk INC $31.54 2024-2025 Wegovy, Rybelsus, Ozempic
Idorsia Pharmaceuticals US INC $19.86 2025 Tryvio
Lilly USA, LLC $18.40 2024 Jardiance
Veloxis Pharmaceuticals, INC. $15.98 2020

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

Michael W Roppolo

$12,801.30

in general payments reported 2019-2025

Years
2019-2025
Top company
Fresenius USA Marketing, INC.
Context
The $5,065 reported for 2025 was more than what 93% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/28432/michael-w-roppolo

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.