Overview
- 86 inspections across 77 sites are on record.
- 194 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-06-03.
At a glance
Inspections
86
Sites
77
Observations
194
Career since
Jan 2018
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Infinity Labs SD, Inc | 3 Jun 2026 | Medical Devices & Rad Health | View 483 → |
| Pausch LLC | 23 Mar 2026 | Medical Devices & Rad Health | View 483 → |
| VENTIS MEDICAL INC | 24 Feb 2026 | Medical Devices & Rad Health | |
| Cenogenics Corporation | 5 Feb 2026 | Medical Devices & Rad Health | |
| Lasetech LLC | 12 Jan 2026 | Medical Devices & Rad Health | View 483 → |
Sites inspected
Infinity Labs SD, IncSan Jose, United States1 insp.
Pausch LLCTinton Falls, United States1 insp.
VENTIS MEDICAL INCPrinceton, United States1 insp.
Cenogenics CorporationMorganville, United States1 insp.
Lasetech LLCLawrenceville, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Jonathan Ho6 shared
Naakesh N Gomanie5 shared
Matthew W Kyle5 shared
Monica L Gutierrez3 shared
Melissa A Zuppe2 shared
Michael Serrano2 shared
Esteban Beltran2 shared
Yvins Dezan2 shared
David H Smith2 shared
Jaro P Perera1 shared
Full investigator report
Get the verbatim findings behind William R Chang's 194 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