Overview
- 270 inspections across 228 sites are on record.
- 254 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-22.
At a glance
Inspections
270
Sites
228
Observations
254
Career since
Jul 2015
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Shandong Feilong Food Co Ltd | 22 May 2026 | Foods & Cosmetics | |
| Shandong Feilong Food Co Ltd | 21 May 2026 | Foods & Cosmetics | On file |
| Jiangxi JTM Food Co., LTD | 15 May 2026 | Foods & Cosmetics | |
| Jiangxi JTM Food Co., LTD | 15 May 2026 | Foods & Cosmetics | |
| Plumino Precision Fermentation USA, Inc. | 27 Mar 2026 | Foods & Cosmetics |
Sites inspected
Shandong Feilong Food Co LtdZibo, China2 insp.
Jiangxi JTM Food Co., LTDJian, China2 insp.
Plumino Precision Fermentation USA, Inc.Scott City, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Ron R Pearson7 shared
Andrew K Schaal6 shared
Kristi B Panzer5 shared
Diana K Krepel5 shared
Ryan S Martin4 shared
Adrienne Morgan3 shared
Cody J Alley3 shared
Michael A Feingold3 shared
Heath W Cartwright3 shared
Shaun M Stracener3 shared
Full investigator report
Get the verbatim findings behind Louis S Chen's 254 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