Question 1

Has Stephen Yeung received payments from drug or device companies?

Accepted Answer

Yes. Drug and device makers reported $508,941 in general payments to Stephen Yeung across 357 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Question 2

Does a payment mean Stephen Yeung did something wrong?

Accepted Answer

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Question 3

Where does this information about Stephen Yeung come from?

Accepted Answer

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Company	Payments	Total
Novartis	189	$369,878
Biogen	61	$53,860
EMD Serono, Inc.	37	$32,737
Novartis Pharma AG	4	$25,260
Sanofi	26	$12,583
Genentech USA, Inc.	7	$8,058
AstraZeneca	19	$3,900
Bristol Myers Squibb	2	$1,200
Genentech, Inc.	2	$1,036
Amgen	2	$143
Gilead	1	$90
Sanofi-aventis U.S. LLC	1	$76
Mallinckrodt Hospital Products Inc.	3	$52
Mallinckrodt Enterprises LLC	2	$42
ANI Pharmaceuticals, Inc.	1	$26

Stephen Yeung

Payments from drug & device makers

Who reported the general payments

What the payments were tied to

How this compares

Other neurology in Loma Linda