Find Phone number, Location Address and all other information of Pharmacies in Karachi Dr. Essa Laboratory & Diagnostic Centre Gulberg Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-36312746,0313-8093308, 0332-2093305, or you can visit their location in person, address location is: Aisha Manzil Shahrah-e-Jahangir Block-7 Gulberg Karachi.