How do I contact CityMD? You can contact us through email (info@citymd.net) or by calling us. Billing Inquiries: 516-453-5640 (Mon-Fri 9am to 5pm) Medical Records: 516-453-0180 (Mon-Fri 9am to 5pm) Aftercare Department: 855-624-8963 (Mon-Fri 8am to ….