The Book of Occultation — al-Ṭūsī · Hadith 536 (#Ḥadīth #19)
Chapter 41 | Approved Emissaries
ومنهم علي بن مهزيار الاهوازي وكان محمودا:
And among them Ali bin Mahziyar Ahwazi was also praised:
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).