Physician profile

Mark A Casillas

Surgery · Knoxville, TN

NPI 1245458082

$3,867.45

in general payments reported to CMS, 2019-2025

37 companies · $361 in 2025

The $361 reported for 2025 was more than what a typical Surgery provider received nationally (typical 2025 total: $281).

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$1,418.66

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
Intuitive Surgical, INC. $876.22 2019-2022
Ethicon US, LLC $346.10 2019-2025 Vistaseal, Echelon; Endopath, Ethicon
Medtronic, INC. $338.03 2021-2024 Interstim, Gi Genius, Gia
La Jolla Pharmaceutical Company $253.55 2020-2024 Xerava
Medtronic USA, INC. $230.78 2019-2020
Takeda Pharmaceuticals U.S.A., INC. $227.86 2019-2025 Gattex
Kerecis Limited $209.76 2023-2025 Kerecis Omega3 Marigen, Kerecis Omega3 Surgiclose, Kerecis Surgiclose
Innovation Technologies INC $115.37 2021-2023 Irrisept
Mallinckrodt Enterprises LLC $105.59 2019
Abbvie INC. $103.88 2024-2025
Baxter Healthcare $92.35 2023-2025 Perclot, Tisseel
Integra Lifesciences Corporation $91.24 2023-2025 Integra, Integra Dermal Regeneration Template, Primatrix
Olympus America INC. $83.74 2019-2023 Olympus
Boston Scientific Corporation $75.17 2019-2020
Stryker Corporation $66.25 2024 1688, Eikon, Spy-Phi System
Show all 37 companies
CompanyGeneral paymentsYearsTop products
Acera Surgical, INC. $57.57 2025 Restrata Wound Matrix
Thd America, INC. $50.80 2024-2025
Allergan, INC. $48.72 2020-2021
Convatec INC. $48.61 2019-2020
Merck Sharp & Dohme LLC $42.89 2019-2020
Ambu INC. $40.64 2023
Myriad Genetic Laboratories, INC. $32.65 2022
Covidien LP $32.52 2019
Shire North American Group INC $31.05 2019
Kowa Pharmaceuticals America, INC. $31.05 2023 Seglentis
Ferring Pharmaceuticals INC. $28.78 2024 Rebyota
Tela Bio, INC. $27.04 2019
Amgen INC. $24.33 2019
Axonics, INC. $22.94 2020
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $22.40 2019
Vertex Pharmaceuticals Incorporated $21.67 2025
Acell, INC. $17.61 2019
Sanara Medtech INC. $15.43 2022
Medical Device Business Services, INC. $14.67 2020
Incyte Corporation $13.71 2019
Eisai INC. $13.29 2019
Cook Medical LLC $13.19 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.

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

Mark A Casillas

$3,867.45

in general payments reported 2019-2025

Years
2019-2025
Top company
Intuitive Surgical, INC.
Context
The $361 reported for 2025 was more than what a typical Surgery provider received nationally (typical 2025 total: $281).

https://glasscript.com/doctor/283843/mark-a-casillas

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.