GAMCA Medical Centres Sialkot See Below List of All GAMCA Office Islamabad City For Medical Test! GCC Diagnostic Centre Building No. 1-A & 1-B, Street # 6, G-10/3, Ibn e Sena Road, Islamabad, Pakistan Phone: Email: Days off: GCC Diagnostic Centre Building No. 1-A & 1-B, Street # 6, G-10/3, Ibn e Sena Road, Islamabad, Pakistan Phone: Email: Days off: