Overview
- 74 inspections across 71 sites are on record.
- 220 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-04-29.
At a glance
Inspections
74
Sites
71
Observations
220
Career since
Sep 2018
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Siemens Medical Solutions USA, Inc. | 29 Apr 2026 | Medical Devices & Rad Health | |
| Companhia Brasileira de Esterilizacao | 25 Mar 2026 | Medical Devices & Rad Health | |
| Tecme SA | 19 Mar 2026 | Medical Devices & Rad Health | |
| Novian Health, Inc. | 18 Feb 2026 | Medical Devices & Rad Health | |
| Medstrat, Inc. | 5 Feb 2026 | Medical Devices & Rad Health |
Sites inspected
Siemens Medical Solutions USA, Inc.Hoffman Estates, United States1 insp.
Companhia Brasileira de EsterilizacaoJarinu, Brazil1 insp.
Tecme SACordoba, Argentina1 insp.
Novian Health, Inc.Chicago, United States1 insp.
Medstrat, Inc.Downers Grove, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Hammam A Abdallah3 shared
Jesse A Vazquez3 shared
Shuana H Xiong2 shared
Nicholas Z Lu2 shared
Shafiq Ahadi2 shared
Brittani N Franklin2 shared
Shawn Choi1 shared
Michelle J Glembin1 shared
Adaliz Santaliz-Cruz1 shared
Stephen D Eich1 shared
Full investigator report
Get the verbatim findings behind Natasha R Johnson's 220 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