Overview
- 22 inspections across 22 sites are on record.
- 34 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-22.
At a glance
Inspections
22
Sites
22
Observations
34
Career since
May 2023
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| ARL Biopharma, Inc. | 22 May 2026 | Human Drugs | |
| AstraZeneca Pharmaceuticals, LP | 3 Apr 2026 | Human Drugs | |
| Gaylord Chemical Company, LLC | 27 Feb 2026 | Human Drugs | |
| Rockline Industries | 25 Nov 2025 | Human Drugs | |
| Merck Sharp & Dohme LLC | 12 Sep 2025 | Human Drugs | View 483 → |
Sites inspected
ARL Biopharma, Inc.Oklahoma City, United States1 insp.
AstraZeneca Pharmaceuticals, LPCoppell, United States1 insp.
Gaylord Chemical Company, LLCTuscaloosa, United States1 insp.
Rockline IndustriesSpringdale, United States1 insp.
Merck Sharp & Dohme LLCWilson, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Santos E Camara2 shared
Margaret M Annes2 shared
Saleem A Akhtar2 shared
Jared P Stevens2 shared
Shelby N Turner1 shared
Mabany Lizardi1 shared
Nicole E Knowlton1 shared
Oluwasefunm Agbanigo1 shared
Rodney L Tinzie1 shared
Alan A Rivera1 shared
Full investigator report
Get the verbatim findings behind Megan T Ziegler's 34 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