Physician profile

Michael G Bertos

Internal Medicine · N Chelmsford, MA

NPI 1043245145

$447.05

in general payments reported to CMS, 2019-2025

9 companies · $26.01 in 2025

The $26.01 reported for 2025 was less than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

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$42.89

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
Glaxosmithkline, LLC. $160.92 2019-2021
Pfizer INC. $130.09 2019-2020
Amgen INC. $49.35 2019
Neurocrine Biosciences, INC. $26.01 2025
Sanofi-Aventis U.S. LLC $22.98 2020
Inspire Medical Systems, INC. $16.88 2024 Inspire
Sunovion Pharmaceuticals INC. $15.02 2019
Avion Pharmaceuticals $13.80 2020
Janssen Pharmaceuticals, INC $12.00 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

Michael G Bertos

$447.05

in general payments reported 2019-2025

Years
2019-2025
Top company
Glaxosmithkline, LLC.
Context
The $26.01 reported for 2025 was less than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/535250/michael-g-bertos

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.