FDA Investigator

Yiyue Zhang

Latest inspection on record: Indianapolis, United States, March 2025 · records back to 2016

Human Drugs

FDA inspection record · Last updated July 12, 2026

Overview

  • 37 inspections across 33 sites are on record.
  • 11 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2025-03-28.

At a glance

Inspections

37

Sites

33

Observations

11

Career since

Jan 2016

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
AIT Biosciences28 Mar 2025Human Drugs
Charles River Laboratories Ashland, LLC14 Feb 2025Human Drugs
Celerion Inc17 Jan 2025Human Drugs
Smithers Pharmaceutical Development Services13 Dec 2024Human Drugs
Pharmaron (Exton) Lab Services LLC27 Sep 2024Human Drugs

Sites inspected

AIT BiosciencesIndianapolis, United States1 insp.
Charles River Laboratories Ashland, LLCAshland, United States1 insp.
Celerion IncLincoln, United States1 insp.
Smithers Pharmaceutical Development ServicesGaithersburg, United States1 insp.
Pharmaron (Exton) Lab Services LLCExton, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind Yiyue Zhang's 11 observations

Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.

  • New inspections and Form 483s, mapped to the CFR citation
  • Warning letter outcomes, and the citation patterns they repeat
  • Their co-investigators, so no surprises about who shows up on site