Physician profile

Douglas C Mcadams

Neurology (Psychiatry & Neurology) · Groton, CT

NPI 1134356298

$506.53

in general payments reported to CMS, 2019-2025

13 companies · $156 in 2025

The $156 reported for 2025 was less than what a typical Neurology (Psychiatry & Neurology) provider received nationally (typical 2025 total: $454).

See the full distribution for Neurology (Psychiatry & Neurology)

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$487.58

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. $102.25 2024-2025
Eisai INC. $84.24 2024-2025
Teva Pharmaceuticals USA, INC. $57.93 2022-2024 Austedo, Austedo Xr
Amgen INC. $46.60 2024-2025 Uplizna
Emd Serono, INC. $46.43 2024-2025
Novartis Pharmaceuticals Corporation $29.74 2023
Tg Therapeutics, INC. $24.96 2023
Horizon Therapeutics Plc $24.69 2023 Uplizna
Pfizer INC. $21.22 2023
Takeda Pharmaceuticals U.S.A., INC. $18.18 2025 Hyqvia
Ucb, INC. $17.92 2025 Rystiggo
Celgene Corporation $17.66 2023 Zeposia
Life Molecular Imaging LTD $14.71 2025 Neuraceq

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

Douglas C Mcadams

$506.53

in general payments reported 2019-2025

Years
2022-2025
Top company
Abbvie INC.
Context
The $156 reported for 2025 was less than what a typical Neurology (Psychiatry & Neurology) provider received nationally (typical 2025 total: $454).

https://glasscript.com/doctor/5166995/douglas-c-mcadams

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.