| Dr. Ying Gu is a New York state licensed medical doctor, specializing in General Dentistry. Graduated Magna Cum Laude from SUNY Stony Brook Dental School, completed residency training in SUNY Stony Brook, Dr. Gu currently is working at Ying Gu D.D.S. PhD Office, located in 113 Nadia Ct Port Jefferson NY 11777 | |||