Physician profile

Roy F Chemaly

Infectious Disease · Houston, TX

NPI 1609976521

$686,170.21

in general payments reported to CMS, 2019-2025

24 companies · $133K in 2025

The $133K reported for 2025 was more than what 99% of Infectious Disease providers received nationally (typical 2025 total: $187).

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)
Travel and Lodging$116,190.86
Consulting Fee$114,019.15
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$97,470.00
Honoraria$3,750.00
Food and Beverage$1,480.58

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
Merck Sharp & Dohme LLC $399,777.82 2019-2025 Prevymis, Recarbrio, Zerbaxa
Takeda Pharmaceuticals U.S.A., INC. $87,070.37 2020-2024 Livtencity
Oxford Immunotec USA INC $32,495.88 2019-2023 T-Spot.Tb8
Biotest Ag $22,822.54 2023-2025
Modernatx, INC. $20,488.00 2022-2023 Moderna Covid-19 Vaccine
Adma Biomanufacturing LLC $20,000.00 2019-2020
F. Hoffmann-La Roche Ag $18,096.69 2022
Paratek Pharmaceuticals, INC. $14,610.27 2019
Shionogi INC $14,141.64 2020-2025 Fetroja, S-217622
Partner Therapeutics, INC. $10,073.00 2020
Invivyd INC $8,797.98 2024-2025 Pemgarda
Gilead Sciences, INC. $7,488.27 2022-2024 Veklury
Pfizer INC. $6,000.00 2024-2025
Pierre Fabre Pharmaceuticals, INC. $4,726.20 2025
Janssen Global Services, LLC $4,320.00 2019-2023
Show all 21 companies
CompanyGeneral paymentsYearsTop products
Abbvie INC. $3,464.59 2023-2024
Astellas Pharma US INC $3,081.20 2019-2023 Cresemba
Astrazeneca Pharmaceuticals Lp $3,000.00 2024
Genmark Diagnostics, INC. $2,815.76 2022
Qiagen, LLC $1,500.00 2021
Life Technologies Corporation $1,400.00 2022

3 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

Roy F Chemaly

$686,170.21

in general payments reported 2019-2025

Years
2019-2025
Top company
Merck Sharp & Dohme LLC
Context
The $133K reported for 2025 was more than what 99% of Infectious Disease providers received nationally (typical 2025 total: $187).

https://glasscript.com/doctor/118919/roy-f-chemaly

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.