Physician profile

William Seifert

Obstetrics & Gynecology · North Kansas City, MO

NPI 1225007479

$662.96

in general payments reported to CMS, 2019-2025

12 companies · none reported in 2025

Payments by year

General payments by program year, as reported to CMS.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Astellas Pharma US INC $229.72 2019-2020
Abbvie INC. $173.11 2019-2020
Pfizer INC. $93.49 2019-2020
Amag Pharmaceuticals, INC. $26.73 2019-2020
Allergan, INC. $24.99 2019
Amgen INC. $21.20 2019
Hologic Sales and Service, LLC $17.76 2019
Coopersurgical, INC. $17.45 2019
Bayer Healthcare Pharmaceuticals INC. $16.05 2020
Exeltis, USA INC. $15.40 2019
Therapeuticsmd, INC. $14.65 2019
Novo Nordisk INC $12.41 2020

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Payment summary

William Seifert

$662.96

in general payments reported 2019-2025

Years
2019-2020
Top company
Astellas Pharma US INC

https://glasscript.com/doctor/146580/william-seifert

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.