★★★★★5.0(1)Dr. Ren Zhang, MDCardiologistAbilene, TXAccepting patientsAffiliated with a Castle Connolly Top HospitalAccepting patientsAffiliated with a Castle Connolly Top Hospital(325) 793-3100(325) 793-3100Ratings & ReviewsMost RecentHighest Rated11/29/2010Dr. ZhangDr. Zhang is a very caring doctor. He is knowledgeble as well as conpationate to you situation.1