Find Phone number, Location Address and all other information of Pharmacies in Karachi Dr. Essa Laboratory & Diagnostic Centre Gulstan-e-Johar Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-34650077, 34650088, or you can visit their location in person, address location is: University Road Safoora Goth Centre Shop No145 146 Billy's Arcade Sector 38-A Scheme 33 Gulstan-e-Johar Karachi.