Physician profile

Charles C Shang

Internal Medicine · Grass Valley, CA

NPI 1104805902

$1,945.90

in general payments reported to CMS, 2019-2025

30 companies · $244 in 2025

The $244 reported for 2025 was more than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

See the full distribution for Internal Medicine

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$626.48

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
Novo Nordisk INC $296.29 2021-2023 Rybelsus, Ozempic
Astrazeneca Pharmaceuticals LP $271.18 2021-2025 Airsupra, Breztri, Farxiga
Abbvie INC. $175.28 2021-2023 Creon
Glaxosmithkline, LLC. $159.51 2021-2024 Trelegy Ellipta
Boehringer Ingelheim Pharmaceuticals, INC. $143.12 2021-2022
Exact Sciences Corporation $137.05 2023-2025 Cologuard Collection Kit
Novartis Pharmaceuticals Corporation $129.99 2021-2024
Stryker Corporation $75.91 2022
Pfizer INC. $65.88 2022-2023
Zoll Services LLC (A/K/A Zoll Lifecor Corp) $42.19 2021
Biohaven Pharmaceuticals, INC. $41.48 2021
E.R. Squibb & Sons, L.L.C. $33.49 2021-2022
Bayer Healthcare Pharmaceuticals INC. $33.25 2022-2023
Almatica Pharma LLC $30.41 2021-2022
Acadia Pharmaceuticals INC $29.41 2021
Show all 30 companies
CompanyGeneral paymentsYearsTop products
Amneal Pharmaceuticals LLC $29.09 2023 Rytary
Corcept Therapeutics $27.39 2025 Korlym
Sobi, INC $26.54 2022
Azurity Pharmaceuticals, INC. $24.86 2025 Zonisade
Philips North America LLC $19.42 2021
Actelion Pharmaceuticals US, INC. $17.96 2023 Opsumit, Uptravi
Kyowa Kirin, INC. $17.10 2021
Neurocrine Biosciences, INC. $16.23 2022
Abbott Laboratories $16.22 2022
Idorsia Pharmaceuticals US INC $15.89 2023 Quviviq
Sun Pharmaceutical Industries INC. $15.59 2022
Janssen Pharmaceuticals, INC $15.25 2022
Biohaven Pharmaceutical Holding Company LTD. $13.73 2022
Dexcom, INC. $13.35 2024 Dexcom G6 Transmitter
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $12.84 2021

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

Charles C Shang

$1,945.90

in general payments reported 2019-2025

Years
2021-2025
Top company
Novo Nordisk INC
Context
The $244 reported for 2025 was more than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/679691/charles-c-shang

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.