FDA Investigator

Cheng H Yen

Latest inspection on record: Ferndale, United States, April 2015 · records back to 2013

Human Drugs

FDA inspection record · Last updated July 12, 2026

Overview

  • 2 inspections across 2 sites are on record.
  • 10 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2015-04-24.

At a glance

Inspections

2

Sites

2

Observations

10

Career since

May 2013

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Ferndale Laboratories, Inc.24 Apr 2015Human DrugsView 483 →
Simtra US LLC10 May 2013Human DrugsView 483 →

Sites inspected

Ferndale Laboratories, Inc.Ferndale, United States1 insp.
Simtra US LLCBloomington, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind Cheng H Yen's 10 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