Najib ad-Din Abu Hamid Muhammad ibn Ali ibn Umar Samarqandi (Arabic: نجيب الدين أبو حامد محمد بن علي بن عمر السمرقندي, ALA-LC: Najīb al-Dīn Abū Ḥāmid Muḥammad ibn ʿAlī ibn ʿUmar al-Samarqandī) was a 13th-century Persian physician from Samarqand.
Samarqandi died during the Mongol attack on Herat, in Afghanistan, in 1222CE.
His most famous book was The Book of Causes and Symptoms, a comprehensive manual of therapeutics and pathology.
The treatises were widely read and often commentaries were written on them.
This biography related to medicine in Iran is a stub.