Overview
- 314 inspections across 229 sites are on record.
- 244 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-05.
At a glance
Inspections
314
Sites
229
Observations
244
Career since
Dec 2010
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| The American National Red Cross | 5 May 2026 | Biologics | |
| DONOVIVO, LLC | 29 Apr 2026 | Biologics | On file |
| Innovative Research, Inc. | 29 Apr 2026 | Biologics | |
| Octapharma Plasma, Inc. | 17 Apr 2026 | Biologics | |
| Michigan Center for Fertility and Women's Health, PLC | 13 Apr 2026 | Biologics |
Sites inspected
The American National Red CrossFlint, United States1 insp.
DONOVIVO, LLCNovi, United States1 insp.
Innovative Research, Inc.Novi, United States1 insp.
Octapharma Plasma, Inc.Westland, United States1 insp.
Michigan Center for Fertility and Women's Health, PLCWarren, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Erma Zaimova12 shared
Lesley Mae P Lutao7 shared
Jennifer A Kemp7 shared
Margaret N Persich6 shared
Emily B Camire5 shared
Tracey L Siebesma4 shared
Zoey A Trombley3 shared
Gabryelle J Solverud3 shared
Barbara A Rusin3 shared
Victoria A Murray3 shared
Full investigator report
Get the verbatim findings behind Matthew J Gretkierewicz's 244 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