Physician profile

Derek S Larson

Nephrology (Internal Medicine) · Creve Coeur, MO

NPI 1588820096

$604,986.98

in general payments reported to CMS, 2019-2025

20 companies · $45K in 2025

The $45K reported for 2025 was more than what 98% 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)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$243,400.00
Travel and Lodging$32,013.52
Consulting Fee$28,788.50
Food and Beverage$12,038.25
Compensation For Serving As Faculty Or As A Speaker For A Medical Education Program$9,600.00
Education$39.00

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
Astrazeneca Pharmaceuticals Lp $493,625.78 2019-2025 Farxiga, Lokelma
Travere Therapeutics, INC. $95,177.16 2019-2025 Filspari
Fresenius USA Marketing, INC. $10,431.11 2022-2025 Velphoro, Korsuva
Vifor Pharma, INC. $4,077.24 2019-2025 Korsuva, Veltassa
C. R. Bard, INC. & Subsidiaries $326.67 2020
Otsuka America Pharmaceutical, INC. $303.22 2022-2025 Jynarque, Voyxact
Alexion Pharmaceuticals, INC. $175.00 2025 Ultomiris
Calliditas Therapeutics US INC. $150.25 2023-2025 Tarpeyo
Horizon Therapeutics Plc $137.59 2022
Novartis Pharmaceuticals Corporation $133.52 2023-2025
Amgen INC. $123.46 2019-2025 Krystexxa
Glaxosmithkline, LLC. $90.00 2022
Mallinckrodt Enterprises LLC $76.99 2019
Ardelyx, INC. $43.12 2024 Ibsrela
Baxter Healthcare $26.31 2022
Show all 20 companies
CompanyGeneral paymentsYearsTop products
Boehringer Ingelheim Pharmaceuticals, INC. $20.90 2025 Jardiance
Cycle Pharmaceuticals INC $19.88 2024 Tiopronin
Otsuka Pharmaceutical Development & Commercialization, INC. $18.71 2024
Biobeat USA INC. $15.58 2024 Bb-613 Bpm Kit
Aurinia Pharma U.S., INC. $14.49 2025 Lupkynis

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

Derek S Larson

$604,986.98

in general payments reported 2019-2025

Years
2019-2025
Top company
Astrazeneca Pharmaceuticals Lp
Context
The $45K reported for 2025 was more than what 98% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/1063360/derek-s-larson

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.