Christian O. Twiss, MD, FACS

Program Director, Urology Residency
Director, Female Urology, Pelvic Medicine, and Pelvic Reconstructive Surgery
Associate Professor, Urology

Christian O. Twiss, MD, FACS

Academic / Professional Bio: 

Christian Twiss, MD, FACS, is an expert in the subspecialty of female pelvic medicine and reconstructive surgery and is one the few urologists in Arizona who has board certification in both urology and female pelvic medicine and reconstructive surgery. He has extensive experience treating female and male urinary incontinence and female pelvic organ prolapse via the vaginal, robotic, and open approaches. He also has extensive experience in vaginal mesh removal, vaginal reconstruction after mesh removal, and treating complications of vaginal reconstructive surgery.

Dr. Twiss graduated magna cum laude with honors from Brown University and obtained his medical degree from New York University School of Medicine. He completed his general surgery training and his urology residency at New York University, where he trained at New York University Medical Center, the Manhattan Veterans Affairs Medical Center, and New York’s world-famous Bellevue Hospital. Following his residency, Dr. Twiss became a fellow in female pelvic medicine and reconstructive surgery at the University of California, Los Angeles, under the mentorship of Dr. Shlomo Raz. After completing his two-year fellowship, he joined the faculty of the University of Arizona College of Medicine, where he is currently an associate professor of Surgery.

Dr. Twiss’ current research interests include outcomes of surgery for female pelvic floor disorders, including treatments for incontinence, vaginal prolapse, and vaginal mesh removal. He is also researching the use of dynamic pelvic MRI in the diagnosis of female pelvic organ prolapse as well as the development of new techniques for female pelvic floor reconstruction.

Research Interests: 

Incontinence and vaginal prolapse treatment
Interstitial cystitis
Outcomes research in incontinence and pelvic reconstructive surgery

MD: New York University School of Medicine, 2000
BS: Brown University
Honors and Awards: 
Castle Connolly Top Doctor, 2013-2016
Voted in "Best Doctors in America," 2013, 2014
New York University, Urology, 2002-2006
New York University, Surgery, Intern and Resident, 2000-2002
University of California Los Angeles, Female Pelvic Medicine and Reconstructive Surgery, Female Urology, and Urodynamics, 2006-2008
Board Certifications: 
American Board of Urology
American Board of Urology, Female Pelvic Medicine and Reconstructive Surgery
Female Pelvic Medicine and Reconstructive Surgery
Urinary Incontinence and Voiding Dysfunction
Vaginal and Uterine Prolapse
Vaginal Mesh Removal
Complications of Vaginal and Pelvic Surgery
Robotic Surgery