Question 1

Has Yanzheng Zhang received payments from drug or device companies?

Accepted Answer

Yes. Drug and device makers reported $1,406,676 in general payments to Yanzheng Zhang across 845 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 Yanzheng Zhang 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 Yanzheng Zhang 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
CSL Plasma Inc.	464	$819,083
CSL Behring	380	$587,570
Terumo BCT, Inc.	1	$24

Yanzheng Zhang

Payments from drug & device makers

Who reported the general payments