| Dr. Guan Hua Xu is a New York state licensed medical doctor, specializing in Nephrology. Graduated Magna Cum Laude from University at Buffalo School of Medicine, completed residency training in UT Southwestern, and completed the Nephrology specialist training at NY Presbyterian Hospital. Dr. Xu currently is working at NewYork-Presbyterian Queens, located in 13681 Roosevelt Ave Flushing NY 11354 | |||