Howard S. Bortman, D.O & Xiaonan M. Guo, D.O. Membership Based Primary Care (248) 918-2337 31330 Northwestern Hwy, Suite D Farmington Hills, MI 48334 Schedule A Consultation Follow Home About Our Practice Advantages Membership Options Executive Physicals Cosmetic Services FAQ Contact Schedule A Consultation First Name Last Name Email Address Phone Preferred Contact Time Preferred Contact TimeMorningAfternoonEvening Preferred Method of Contact Preferred Method of ContactPhoneEmail Message Submit (248) 918-2337 31330 Northwestern Hwy, Suite D Farmington Hills, MI 48334