Physician profile

Marshall Keilson

Neuromusculoskeletal Medicine, Sports Medicine · Brooklyn, NY

NPI 1528068954

$8,427.80

in general payments reported to CMS, 2019-2025

49 companies · $1,037 in 2025

The $1,037 reported for 2025 was more than what 85% of Neuromusculoskeletal Medicine, Sports Medicine providers received nationally (typical 2025 total: $125).

See the full distribution for Neuromusculoskeletal Medicine, Sports Medicine

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$2,805.72

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
Novartis Pharmaceuticals Corporation $1,030.50 2019-2025
Celgene Corporation $719.59 2019-2025 Zeposia
Biogen, INC. $686.46 2019-2025 Vumerity, Leqembi, Tysabri
Abbvie INC. $543.63 2021-2025
Sunovion Pharmaceuticals INC. $373.78 2019-2022
Eisai INC. $370.03 2019-2025
Genentech USA, INC. $291.53 2019-2025 Ocrevus, Enspryng, Ocrevus Zunovo
Amgen INC. $266.97 2019-2025 Uplizna
Tg Therapeutics, INC. $257.05 2023-2025
Genzyme Corporation $255.47 2019-2022
Sk Life Science, INC. $237.14 2020-2025
Pfizer INC. $231.60 2023-2025
Emd Serono, INC. $216.79 2019-2025
Acorda Therapeutics, INC $214.62 2019-2024 Ampyra, Inbrija
Neurelis, INC. $205.23 2020-2025 Valtoco
Show all 49 companies
CompanyGeneral paymentsYearsTop products
Argenx US, INC. $191.53 2024-2025 Vyvgart Hytrulo
Adamas Pharmaceuticals, INC. $178.49 2020-2021
Lilly USA, LLC $174.91 2019-2023 Emgality, Reyvow
Ucb, INC. $173.80 2022-2023
Alexion Pharmaceuticals, INC. $168.98 2019-2025 Ultomiris
Greenwich Biosciences, INC. $161.15 2019-2021
Mallinckrodt Enterprises LLC $141.41 2019
Acadia Pharmaceuticals INC $104.31 2021-2025 Nuplazid, Daybue
Allergan, INC. $104.08 2020-2022
Mallinckrodt Hospital Products INC. $99.16 2021-2022
Horizon Therapeutics Plc $98.28 2022-2023 Uplizna
E.R. Squibb & Sons, L.L.C. $98.17 2020-2021
Grifols USA, LLC $97.00 2022-2024 Gamunex-C
Catalyst Pharmaceuticals, INC. $92.35 2020-2021
Neurocrine Biosciences, INC. $69.63 2021-2022
Genentech, INC. $62.86 2019-2021
Banner Life Sciences, LLC $60.80 2021-2022
Axsome Therapeutics, INC. $56.92 2025 Symbravo
Avion Pharmaceuticals $47.76 2022
Csl Behring $41.32 2022-2023 Hizentra
Avanir Pharmaceuticals, INC. $40.92 2021-2022
Idorsia Pharmaceuticals US INC $36.74 2022-2023 Quviviq
Janssen Pharmaceuticals, INC $23.51 2022
Biohaven Pharmaceutical Holding Company LTD. $22.88 2022
Biohaven Pharmaceuticals, INC. $22.74 2021
Takeda Pharmaceuticals U.S.A., INC. $22.36 2020
Amneal Pharmaceuticals LLC $19.83 2022
Astrazeneca Pharmaceuticals LP $19.62 2021
Jazz Pharmaceuticals INC. $17.86 2022
Otsuka America Pharmaceutical, INC. $17.19 2023 Rexulti
Teva Pharmaceuticals USA, INC. $16.28 2019
Lundbeck LLC $15.91 2021
Vanda Pharmaceuticals INC. $14.99 2024 Ponvory
Validus Pharmaceuticals LLC $13.67 2025 Equetro

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

Marshall Keilson

$8,427.80

in general payments reported 2019-2025

Years
2019-2025
Top company
Novartis Pharmaceuticals Corporation
Context
The $1,037 reported for 2025 was more than what 85% of Neuromusculoskeletal Medicine, Sports Medicine providers received nationally (typical 2025 total: $125).

https://glasscript.com/doctor/250211/marshall-keilson

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.