Abu Bakr al-A'in: One of the Shaykhs of Khurasan, and he mentioned him among them
Abu Hatim al-Razi: Truthful
Abu Hatim ibn Hibban al-Busti: Mentioned him among the trustworthy
Ibn Hajar al-'Asqalani: Trustworthy Hafiz
Al-Husayn ibn Muhammad al-Jiyani: One of the Shaykhs of Bukhari and Muslim
Al-Dhahabi: The Hafiz
Muslim ibn al-Qasim al-Andalusi: Trustworthy
Yahya ibn Ma'in: There is nothing wrong with him