FDA Investigator

John A Gonzalez

Latest inspection on record: San Rafael, United States, January 2025 · records back to 2008

Human DrugsFoods & CosmeticsAnimal Drugs & FeedsBiologicsMedical Devices & Rad Health

FDA inspection record · Last updated July 12, 2026

Overview

  • 165 inspections across 145 sites are on record.
  • 213 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2025-01-31.

At a glance

Inspections

165

Sites

145

Observations

213

Career since

Jan 2008

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Hahnemann Laboratories, Inc. dba Alpine Pharmaceuticals31 Jan 2025Human DrugsOn file
Nivagen Pharmaceuticals Inc23 Oct 2024Human Drugs
Generitech Corporation3 Sep 2024Human DrugsOn file
Astellas Pharma Inc.18 Apr 2024Human Drugs
Takeda Pharmaceutical Company Limited12 Apr 2024Human Drugs

Sites inspected

Nivagen Pharmaceuticals IncPittsburg, United States1 insp.
Generitech CorporationFresno, United States1 insp.
Astellas Pharma Inc.Toyama, Japan1 insp.
Takeda Pharmaceutical Company LimitedYodogawa-Ku, Japan1 insp.

Co-investigators

Investigators who share inspections with this person.

Katherine Szestypalow3 shared

Full investigator report

Get the verbatim findings behind John A Gonzalez's 213 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