Patient & Visitor Information, Vaccination Scheduling, COVID19 Safety Protocols. Learn More. Skip to main content Skip to navigation. CHRISTUS Health. ... Houmam Al-Hakeem, MD OB-GYN (Obstetrics and Gynecology), Primary Care Office: 210-568-1949. Locations. 7430 Barlite Blvd Suite 350 San Antonio, Texas 78224 ....