FDA Investigator

Christopher T Middendorf

Latest inspection on record: Nanjing, China, January 2020 · records back to 2008

Human DrugsBiologicsAnimal Drugs & FeedsFoods & CosmeticsMedical Devices & Rad Health

FDA inspection record · Last updated July 12, 2026

Overview

  • 194 inspections across 166 sites are on record.
  • 235 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2020-01-17.

At a glance

Inspections

194

Sites

166

Observations

235

Career since

Sep 2008

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Simcere Pharmaceutical Co., Ltd.17 Jan 2020Human Drugs
Yiling Pharmaceutical Ltd21 Nov 2019Human DrugsOn file
CSPC Ouyi Pharmaceutical Co., Ltd.15 Nov 2019Human Drugs
Changzhou Qianhong Biopharma Co., Ltd.23 Oct 2019Human Drugs
Changzhou Pharmaceutical Factory18 Oct 2019Human DrugsOn file

Sites inspected

Yiling Pharmaceutical LtdShijiazhuang, China1 insp.
CSPC Ouyi Pharmaceutical Co., Ltd.Shijiazhuang, China1 insp.
Changzhou Pharmaceutical FactoryChangzhou, China1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind Christopher T Middendorf's 235 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