Physician profile

Matthew Douglas Armstrong

Hematology & Oncology · Tulsa, OK

NPI 1457363236

$2,337.65

in general payments reported to CMS, 2019-2025

21 companies · $431 in 2025

The $431 reported for 2025 was less than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).

See the full distribution for Hematology & Oncology

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$619.46
Education$382.76

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
Pfizer INC. $535.07 2019-2025
Athenex Pharmaceutical Division, LLC $350.00 2020
Novartis Pharmaceuticals Corporation $228.83 2019-2025
Novocure Gmbh $200.00 2022
Glaxosmithkline, LLC. $181.84 2021-2025 Zejula, Jemperli
Astellas Pharma US INC $159.99 2020-2021
Abbvie INC. $152.78 2024-2025
Ferring Pharmaceuticals INC. $114.95 2024-2025 Adstiladrin
Seagen INC. $95.00 2021
Ipsen Biopharmaceuticals, INC $64.92 2024 Onivyde, Tazverik
Gilead Sciences, INC. $46.58 2021-2025 Trodelvy
Amgen INC. $46.47 2019
Clovis Oncology, INC. $29.52 2019
Acrotech Biopharma INC. $25.90 2022
Sumitomo Pharma America, INC. $23.93 2023 Orgovyx
Show all 21 companies
CompanyGeneral paymentsYearsTop products
Celgene Corporation $17.78 2021
Incyte Corporation $15.28 2019
Daiichi Sankyo INC. $15.14 2025 Datroway
Bayer Healthcare Pharmaceuticals INC. $11.81 2019
Genentech USA, INC. $11.03 2019
Sanofi-Aventis U.S. LLC $10.83 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

Matthew Douglas Armstrong

$2,337.65

in general payments reported 2019-2025

Years
2019-2025
Top company
Pfizer INC.
Context
The $431 reported for 2025 was less than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).

https://glasscript.com/doctor/20949/matthew-douglas-armstrong

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.