Physician profile

Charles E Williamson

Psychiatric/Mental Health (Nurse Practitioner) · San Francisco, CA

NPI 1740446335

$10,464.06

in general payments reported to CMS, 2019-2025

6 companies · $9,654 in 2025

The $9,654 reported for 2025 was more than what 99% of Psychiatric/Mental Health (Nurse Practitioner) providers received nationally (typical 2025 total: $257).

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)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$6,300.00
Travel and Lodging$2,218.48
Food and Beverage$1,945.58

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
Viiv Healthcare Company $9,329.23 2024-2025 Apretude, Dovato, Cabenuva
Gilead Sciences, INC. $762.53 2023-2025 Descovy
Braeburn INC. $258.85 2024-2025 Brixadi
Alkermes, INC. $69.05 2023 Vivitrol
Otsuka America Pharmaceutical, INC. $24.65 2025 Abilify Asimtufii, Abilify Maintena
Indivior INC. $19.75 2023 Sublocade

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

Charles E Williamson

$10,464.06

in general payments reported 2019-2025

Years
2023-2025
Top company
Viiv Healthcare Company
Context
The $9,654 reported for 2025 was more than what 99% of Psychiatric/Mental Health (Nurse Practitioner) providers received nationally (typical 2025 total: $257).

https://glasscript.com/doctor/10751383/charles-e-williamson

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.