Physician profile

John B Clemmons

Gastroenterology (Internal Medicine) · Houston, TX

NPI 1518997477

$8,789.89

in general payments reported to CMS, 2019-2025

32 companies · $1,426 in 2025

The $1,426 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider 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$4,108.77
Education$123.63

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
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $3,330.20 2019-2025 Xifaxan, Trulance
Abbvie INC. $1,476.13 2019-2025 Mavyret, Linzess, Viberzi
Janssen Biotech, INC. $828.07 2019-2025 Tremfya, Stelara
Gilead Sciences, INC. $800.51 2019-2023
Pfizer INC. $554.82 2022-2025
Takeda Pharmaceuticals U.S.A., INC. $347.11 2019-2024 Eohilia, Entyvio, Gattex
Evoke Pharma, INC. $185.35 2021-2025
Ferring Pharmaceuticals INC. $150.55 2020-2024 Rebyota
Redhill Biopharma INC. $141.41 2020-2023 Talicia
Mallinckrodt Hospital Products INC. $130.00 2025 Terlivaz
Phathom Pharmaceuticals, INC. $125.60 2024-2025 Voquezna
Boston Scientific Corporation $91.65 2019-2025 General - Biliary Devices
Nestle Healthcare Nutrition INC. $87.29 2021-2022
Novo Nordisk INC $79.36 2021-2025 Ozempic
Vivus LLC $53.76 2021-2022
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Intercept Pharmaceuticals, INC. $40.00 2019-2020
Arbor Pharmaceuticals, INC. $38.00 2019-2021
Celgene Corporation $35.11 2021
Ardelyx, INC. $31.28 2023-2025 Ibsrela
Lilly USA, LLC $30.54 2024 Mounjaro
Glaxosmithkline, LLC. $29.56 2020-2021
Allergan, INC. $26.62 2019
Ipsen Biopharmaceuticals, INC $26.00 2024 Bylvay
Amgen INC. $24.91 2019
Ironwood Pharmaceuticals, INC $22.24 2023 Linzess
Braintree Laboratories, INC. $21.27 2023 Sutab
Napo Pharmaceuticals INC $19.36 2024 Mytesi
Conmed Corporation $17.46 2023 Conmed Dilation
Horizon Therapeutics Plc $16.20 2019
Astrazeneca Pharmaceuticals LP $13.08 2019
Olympus America INC. $11.85 2019
Qol Medical, LLC $4.60 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

John B Clemmons

$8,789.89

in general payments reported 2019-2025

Years
2019-2025
Top company
Salix Pharmaceuticals, A Division of Bausch Health US, LLC
Context
The $1,426 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/68797/john-b-clemmons

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.