Contact Form We'll call you! Send CONTACT For any medical questions, please contact our friendly staff. Phone: +905306672399 Osman Yılmaz Mh. İstanbul Cd. No:28 Cadde İstanbul Plaza K:3 D:15 Gebze Working Hours: Mon-Fri:08:00 – 20:00 Saturday:08:00 – 18:00 Sunday: Closed ASS. DR. GURCAN SUNNETCI