Physician profile

Ayub Merchant

Gastroenterology (Internal Medicine) · Greenville, SC

NPI 1871575175

$7,042.67

in general payments reported to CMS, 2019-2025

35 companies · $1,743 in 2025

The $1,743 reported for 2025 was more than what 76% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

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$4,420.95
Education$14.58

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
Abbvie INC. $2,432.68 2019-2025
Janssen Biotech, INC. $737.29 2019-2025 Tremfya, Stelara, Simponi
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $662.33 2019-2024 Xifaxan, Plenvu, Trulance
Takeda Pharmaceuticals U.S.A., INC. $401.58 2019-2025 Entyvio, Eohilia
Qol Medical, LLC $348.97 2019-2025 Sucraid, Sucraid
Regeneron Healthcare Solutions, INC. $291.33 2022-2025 Dupixent
Pfizer INC. $261.62 2019-2025
Ardelyx, INC. $190.07 2022-2025 Ibsrela
Genzyme Corporation $160.96 2022-2025
Merck Sharp & Dohme LLC $143.29 2021-2024 Dificid
Phathom Pharmaceuticals, INC. $127.48 2024-2025 Voquezna
Alnylam Pharmaceuticals INC. $122.24 2022-2024 Givlaari
Endogastric Solutions, INC $114.06 2019
Gilead Sciences, INC. $101.70 2022-2025
Lilly USA, LLC $99.51 2024-2025 Omvoh
Show all 35 companies
CompanyGeneral paymentsYearsTop products
Ferring Pharmaceuticals INC. $98.62 2023-2025 Rebyota
Lucid Diagnostics INC. $76.55 2024
Daiichi Sankyo INC. $71.97 2022-2023 Injectafer
Ipsen Biopharmaceuticals, INC $64.22 2025 Iqirvo
Ironwood Pharmaceuticals, INC $59.27 2023-2024 Linzess
Celgene Corporation $55.00 2019
Celltrion USA INC. $45.81 2024-2025 Vegzelma, Zymfentra
Intercept Pharmaceuticals, INC. $45.42 2019-2020
Medtronic, INC. $44.79 2024-2025 Gi Genius
Nestle Healthcare Nutrition INC. $44.29 2021-2022
Madrigal Pharmaceuticals $41.21 2024-2025 Resmetirom, Rezdiffra
Amgen INC. $41.15 2022-2023 Amjevita, Avsola
Redhill Biopharma INC. $31.90 2021
Aimmune Therapeutics, INC. $31.41 2025 Zenpep
Shire North American Group INC $17.81 2019
Boehringer Ingelheim Pharmaceuticals, INC. $17.39 2024 Cyltezo
Romark Laboratories, Lc $16.62 2019
Mylan Institutional INC. $15.67 2023 Hulio
Ucb, INC. $15.33 2019
W. L. Gore & Associates, INC. $13.13 2022

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

Ayub Merchant

$7,042.67

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $1,743 reported for 2025 was more than what 76% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/85264/ayub-merchant

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.