Physician profile

Jeremy Ryan Chang

Obstetrics & Gynecology · Mission Viejo, CA

NPI 1679004691

$690.14

in general payments reported to CMS, 2019-2025

14 companies · $568 in 2025

The $568 reported for 2025 was more than what 83% of Obstetrics & Gynecology providers received nationally (typical 2025 total: $158).

See the full distribution for Obstetrics & Gynecology

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$673.51

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
Biogen, INC. $229.58 2024-2025 Zurzuvae
Pfizer INC. $69.01 2024-2025
Bayer Healthcare Pharmaceuticals INC. $62.21 2024-2025
Exact Sciences Corporation $58.64 2025 Cologuard Collection Kit
Astellas Pharma US INC $51.71 2025 Veozah
Mayne Pharma Commercial LLC $49.06 2025
Intuitive Surgical, INC. $29.01 2025
Organon LLC $27.10 2022-2025 Nexplanon
Hologic Sales and Service, LLC $25.47 2025 Aptima
Janssen Pharmaceuticals, INC $23.13 2025 Spravato
Lilly USA, LLC $18.90 2025 Mounjaro, Zepbound
Sumitomo Pharma America, INC. $17.97 2025 Myfembree
Exeltis, USA INC. $14.76 2025 Slynd
Coopersurgical, INC. $13.59 2025 Paragard T 380a

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

Jeremy Ryan Chang

$690.14

in general payments reported 2019-2025

Years
2022-2025
Top company
Biogen, INC.
Context
The $568 reported for 2025 was more than what 83% of Obstetrics & Gynecology providers received nationally (typical 2025 total: $158).

https://glasscript.com/doctor/9149721/jeremy-ryan-chang

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.