FDA Investigator

Brian S Keefer

Latest inspection on record: Malvern, United States, May 2026 · records back to 2010

Medical Devices & Rad HealthFoods & CosmeticsHuman DrugsBiologics

FDA inspection record · Last updated August 15, 2026

Overview

  • 311 inspections across 226 sites are on record.
  • 321 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2026-05-29.

At a glance

Inspections

311

Sites

226

Observations

321

Career since

Feb 2010

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Fujirebio Diagnostics, Inc.29 May 2026Medical Devices & Rad Health
Acero Precision8 May 2026Medical Devices & Rad Health
Personal Genome Diagnostics Inc.17 Apr 2026Medical Devices & Rad Health
Martech Medical Products, Inc.25 Mar 2026Medical Devices & Rad Health
Thrombolex Inc13 Mar 2026Medical Devices & Rad Health

Sites inspected

Fujirebio Diagnostics, Inc.Malvern, United States1 insp.
Acero PrecisionWest Chester, United States1 insp.
Personal Genome Diagnostics Inc.Baltimore, United States1 insp.
Martech Medical Products, Inc.Harleysville, United States1 insp.
Thrombolex IncNew Britain, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Edward D Mcdonald19 shared
James M Mason11 shared
Daniel T Lee6 shared
Melissa M Dauksis5 shared

Full investigator report

Get the verbatim findings behind Brian S Keefer's 321 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