Physician profile

Leon P Mclean

Gastroenterology (Internal Medicine) · Derry, NH

NPI 1457495806

$170,776.92

in general payments reported to CMS, 2019-2025

16 companies · $45K in 2025

The $45K reported for 2025 was more than what 97% 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)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$80,879.36
Travel and Lodging$10,273.12
Consulting Fee$7,560.00
Food and Beverage$4,957.51
Education$15.45

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. $99,076.11 2019-2025
E.R. Squibb & Sons, L.L.C. $46,153.49 2021-2024 Zeposia
Janssen Biotech, INC. $17,277.78 2022-2025 Tremfya, Stelara
Pfizer INC. $5,797.49 2024-2025
Celgene Corporation $1,461.16 2021-2024 Zeposia
Takeda Pharmaceuticals U.S.A., INC. $389.39 2019-2025 Entyvio
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $211.84 2019-2025 Xifaxan, Trulance
Conmed Corporation $158.36 2019
Gilead Sciences, INC. $81.29 2022-2025
Ironwood Pharmaceuticals, INC $36.96 2023 Linzess
Celltrion USA INC. $32.71 2024-2025 Vegzelma, Zymfentra
Genzyme Corporation $24.90 2023
Merck Sharp & Dohme LLC $22.26 2022
Qol Medical, LLC $21.09 2024 Sucraid
Alfasigma USA, INC. $17.49 2022
Show all 16 companies
CompanyGeneral paymentsYearsTop products
Ucb, INC. $14.60 2020

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

Leon P Mclean

$170,776.92

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $45K reported for 2025 was more than what 97% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/111727/leon-p-mclean

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.