Overview
- 309 inspections across 224 sites are on record.
- 320 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-08.
At a glance
Inspections
309
Sites
224
Observations
320
Career since
Feb 2010
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Acero Precision | 8 May 2026 | Medical Devices & Rad Health | |
| Personal Genome Diagnostics Inc. | 17 Apr 2026 | Medical Devices & Rad Health | |
| Martech Medical Products, Inc. | 25 Mar 2026 | Medical Devices & Rad Health | |
| Thrombolex Inc | 13 Mar 2026 | Medical Devices & Rad Health | |
| Axial Medical | 25 Feb 2026 | Medical Devices & Rad Health |
Sites inspected
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.
Axial MedicalIvyland, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Edward D Mcdonald19 shared
Bradley E Benasutti19 shared
Cara M Minelli14 shared
James M Mason11 shared
William C Brenneman8 shared
Kyle S Hobson7 shared
Joshua C Schafer7 shared
Nadia R Barreda6 shared
Daniel T Lee6 shared
Melissa M Dauksis5 shared
Full investigator report
Get the verbatim findings behind Brian S Keefer's 320 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