Yujin, Guo MD, Ph.D.Attending and Clinical Assistant ProfessorGeneral Surgery Colon & Rectal Surgery General Surgery Education: New York University School of MedicineMain Office:718-888-7703 Mount Sinai Hospital (Manhattan) 136-20 38th Ave #8C Flushing, NY 11354 Clinic Intersts:colon and rectal surgery / proctology.Certification:Board Certified in General Surgery, Colon and Rectal Surgery Additional Office: 31-19 Newton Avenue Suite 801 Astoria, NY 11102 Additional Office: 139 Centre Street, Suite 302, New York, NY 10013 Hospital Affiliations: Mount Sinai Queens and The Mount Sinai Hospital