Physician profile

Michael Samuel Amster

Pediatrics · Warrenton, VA

NPI 1821097478

$1,773.39

in general payments reported to CMS, 2019-2025

21 companies · $348 in 2025

The $348 reported for 2025 was more than what 88% of Pediatrics providers received nationally (typical 2025 total: $96.93).

See the full distribution for Pediatrics

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$744.34

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
Cranial Technologies, INC $213.48 2019-2025 Doc Band
Supernus Pharmaceuticals, INC. $198.93 2022-2025 Qelbree, Qelbree
Kaleo, INC. $157.11 2019-2021
Pfizer INC. $138.76 2019-2025
Merck Sharp & Dohme LLC $137.01 2019-2025 Vaxelis, Vaxneuvance, Gardasil 9
Sanofi Pasteur INC. $125.69 2019-2023
Takeda Pharmaceuticals U.S.A., INC. $114.05 2019-2021
Alk-Abello, INC $113.02 2023-2025 Grastek, Odactra, Neffy
Ironshore Pharmaceuticals INC. $112.24 2019-2024
Nevro Corp. $111.61 2019
Corium, LLC $108.61 2024-2025 Azstarys
Novartis Pharmaceuticals Corporation $42.58 2019
Collegium Pharmaceutical, INC. $39.01 2025 Jornay Pm
Verrica Pharmaceuticals INC. $32.95 2024 Ycanth
Neos Therapeutics, LP $27.08 2021
Show all 21 companies
CompanyGeneral paymentsYearsTop products
Sobi, INC $23.58 2021
Shire North American Group INC $22.66 2019
Tris Pharma INC $17.79 2021
Adlon Therapeutics L.P. $13.59 2021
Glaxosmithkline, LLC. $12.16 2022
Vertical Pharmaceuticals, LLC $11.48 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.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

Michael Samuel Amster

$1,773.39

in general payments reported 2019-2025

Years
2019-2025
Top company
Cranial Technologies, INC
Context
The $348 reported for 2025 was more than what 88% of Pediatrics providers received nationally (typical 2025 total: $96.93).

https://glasscript.com/doctor/36790/michael-samuel-amster

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

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.