Our online patient portal allows you to communicate with us easily and safely. You can view, request, and reschedule appointments, retrieve test results, and more. ... .4801 or Click Here Fax: 614.777.8644. Northwest OB GYN. Welcome to NORTHWEST Ob/Gyn Associates. 3841 Trueman Court Hilliard, OH 43026 Monday - Friday: 8:30AM–4:30PM Saturday ....