FDA Investigator

Mayar M Mussa

Latest inspection on record: Seongnam, South Korea, May 2026 · records back to 2023

Human DrugsMedical Devices & Rad HealthBiologics

FDA inspection record · Last updated July 12, 2026

Overview

  • 41 inspections across 39 sites are on record.
  • 32 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2026-05-22.

At a glance

Inspections

41

Sites

39

Observations

32

Career since

Jul 2023

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Keun-Wook Lee, M.D., Ph.D.22 May 2026Human DrugsOn file
Sae-Won Han, M.D., Ph.D.15 May 2026Human Drugs
Avotres Inc.24 Apr 2026BiologicsOn file
Omnivium Pharmaceuticals LLC27 Mar 2026Human Drugs
Merck & Co. Inc13 Mar 2026Human Drugs

Sites inspected

Keun-Wook Lee, M.D., Ph.D.Seongnam, Korea (the Republic of)1 insp.
Sae-Won Han, M.D., Ph.D.Jongno, Korea (the Republic of)1 insp.
Avotres Inc.Cedar Knolls, United States1 insp.
Omnivium Pharmaceuticals LLCRahway, United States1 insp.
Merck & Co. IncRahway, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Agata E Libera1 shared
Sarmistha Sanyal1 shared
Namita Kothary1 shared
Jay B Shah1 shared

Full investigator report

Get the verbatim findings behind Mayar M Mussa's 32 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

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