FDA Investigator

Matthew J Johnson

Latest inspection on record: Ventura, United States, December 2014 · records back to 2013

Human DrugsFoods & CosmeticsMedical Devices & Rad Health

FDA inspection record · Last updated July 12, 2026

Overview

  • 25 inspections across 24 sites are on record.
  • 64 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2014-12-18.

At a glance

Inspections

25

Sites

24

Observations

64

Career since

Mar 2013

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
FNC Medical Corporation18 Dec 2014Human DrugsView 483 →
Innovation Specialties, Inc.3 Dec 2014Human Drugs
Ethical Nutritional, LLC19 Nov 2014Human DrugsView 483 →
J.M. Huber Micropowders, Inc.30 Oct 2014Human Drugs
kdc/one Chatsworth, Inc.17 Oct 2014Human DrugsView 483 →

Sites inspected

FNC Medical CorporationVentura, United States1 insp.
Innovation Specialties, Inc.Culver City, United States1 insp.
Ethical Nutritional, LLCPomona, United States1 insp.
J.M. Huber Micropowders, Inc.La Mirada, United States1 insp.
kdc/one Chatsworth, Inc.Chatsworth, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Linda Thai2 shared
Chiang Syin1 shared
Jamie M Du1 shared
Ademola O Daramola1 shared

Full investigator report

Get the verbatim findings behind Matthew J Johnson's 64 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