FDA Investigator

Constantin Y Philopoulos

Latest inspection on record: Ada, United States, June 2022 · records back to 2009

Human DrugsAnimal Drugs & FeedsFoods & Cosmetics

FDA inspection record · Last updated July 12, 2026

Overview

  • 135 inspections across 116 sites are on record.
  • 302 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2022-06-24.

At a glance

Inspections

135

Sites

116

Observations

302

Career since

May 2009

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Access Business Group LLC24 Jun 2022Human Drugs
Access Business Group LLC24 Jun 2022Human DrugsView 483 →
WelchDry LLC17 Mar 2022Human Drugs
Eurofins Lancaster Laboratories, Inc10 Dec 2021Human Drugs
Tower Laboratories Ltd.17 Nov 2021Human DrugsView 483 →

Sites inspected

Access Business Group LLCAda, United States1 insp.
Access Business Group LLCAda, United States1 insp.
WelchDry LLCHolland, United States1 insp.
Eurofins Lancaster Laboratories, IncPortage, United States1 insp.
Tower Laboratories Ltd.Montague, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Erin M Miller12 shared
Patsy J Domingo4 shared
Robert G Taylor3 shared
Martha Sullivan Myrick3 shared
Bleta Vuniqi3 shared
Amanda M Dunneback2 shared
Brent M Dehaan2 shared

Full investigator report

Get the verbatim findings behind Constantin Y Philopoulos' 302 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