Physician profile

Karen Johnston

General Practice · Palo Alto, CA

NPI 1326518325

$401.37

in general payments reported to CMS, 2019-2025

9 companies · none reported in 2025

See the full distribution for General Practice

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
Boehringer Ingelheim Pharmaceuticals, INC. $139.08 2019
Lilly USA, LLC $93.83 2019
Gilead Sciences, INC. $45.43 2019
Novo Nordisk INC $29.75 2019
Novartis Pharmaceuticals Corporation $25.99 2020
Pfizer INC. $21.80 2020
Abbott Laboratories $16.48 2020
Amgen INC. $15.84 2019
Merck Sharp & Dohme LLC $13.17 2019

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Payment summary

Karen Johnston

$401.37

in general payments reported 2019-2025

Years
2019-2020
Top company
Boehringer Ingelheim Pharmaceuticals, INC.

https://glasscript.com/doctor/5694575/karen-johnston

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.