Physician profile

Mathias Masem

Hand Surgery · Oakland, CA

NPI 1508810938

$3,947.00

in general payments reported to CMS, 2019-2025

10 companies · $611 in 2025

The $611 reported for 2025 was more than what a typical Hand Surgery provider received nationally (typical 2025 total: $270).

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$1,272.52

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
Evolution Surgical, INC $2,438.37 2020-2022
Axogen $603.45 2019-2025 Axoguard Nerve Protector, Axoguard Nerve Connector, Avance Nerve Graft
Alafair Biosciences, INC. $304.84 2023-2025 Versawrap
Skeletal Dynamics INC $151.48 2024 Implate, Align, Geminus
Acumed LLC $127.53 2024-2025 Innate Implant, Inframe Implant
Stryker Corporation $125.35 2025 Variax
Endo USA, INC. $85.61 2024-2025 Xiaflex
Electronic Waveform Lab, INC. $50.12 2019-2024
Integra Lifesciences Corporation $46.95 2019
Bioventus LLC $13.30 2019

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

Mathias Masem

$3,947.00

in general payments reported 2019-2025

Years
2019-2025
Top company
Evolution Surgical, INC
Context
The $611 reported for 2025 was more than what a typical Hand Surgery provider received nationally (typical 2025 total: $270).

https://glasscript.com/doctor/519881/mathias-masem

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.