Overview
- 88 inspections across 80 sites are on record.
- 513 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-04-01.
At a glance
Inspections
88
Sites
80
Observations
513
Career since
Nov 2018
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Arthrosurface, Inc. | 1 Apr 2026 | Medical Devices & Rad Health | On file |
| Antron Engineering & Machine Co., Inc. | 13 Mar 2026 | Medical Devices & Rad Health | |
| SUMMA THERAPEUTICS, LLC | 26 Feb 2026 | Medical Devices & Rad Health | On file |
| Expanse Medical Inc. | 15 Jan 2026 | Medical Devices & Rad Health | On file |
| ZIIP INC | 12 Jan 2026 | Medical Devices & Rad Health | On file |
Sites inspected
Arthrosurface, Inc.West Bridgewater, United States1 insp.
Antron Engineering & Machine Co., Inc.Bellingham, United States1 insp.
SUMMA THERAPEUTICS, LLCAllston, United States1 insp.
Expanse Medical Inc.Pleasanton, United States1 insp.
ZIIP INCPleasant Hill, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Sara M Richardson10 shared
Thomas Siebertz2 shared
David C Sullivan2 shared
Sunita Pandey1 shared
Fouad Attioui1 shared
Allison A Rodriguez1 shared
Wendy M Stone1 shared
Clifton L Randell1 shared
Stephen C Smith1 shared
Full investigator report
Get the verbatim findings behind Sara M Onyango's 513 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