Overview
- 44 inspections across 43 sites are on record.
- 15 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-05-21.
At a glance
Inspections
44
Sites
43
Observations
15
Career since
Jan 2023
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Cristcot HCA, LLC | 21 May 2026 | Human Drugs | |
| Martha Tarpay, M.D. | 8 May 2026 | Human Drugs | |
| Direct Biologics, LLC | 24 Apr 2026 | Biologics | |
| Jianjun Jay Zhang, MD | 15 Apr 2026 | Human Drugs | |
| Lucia Masarova | 20 Mar 2026 | Human Drugs |
Sites inspected
Cristcot HCA, LLCAustin, United States1 insp.
Martha Tarpay, M.D.Oklahoma City, United States1 insp.
Direct Biologics, LLCAustin, United States1 insp.
Jianjun Jay Zhang, MDHouston, United States1 insp.
Lucia MasarovaHouston, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Audrey J Yarbrough5 shared
Iris C Macinnes4 shared
Travis M Beard3 shared
Andrea A Branche2 shared
Andra Lepnis1 shared
Habacuc V Barrera1 shared
Joanne M Schlossin1 shared
Anya D Lockett-Evans1 shared
Full investigator report
Get the verbatim findings behind Ruth E Medcalf's 15 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