Christian O. Twiss, MD, FACS

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

Dr. Twiss is an expert in 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.

During residency, he trained at New York University Medical Center, the Manhattan Veterans Affairs Medical Center, and New York's world-famous Bellevue Hospital. Afterward, he became a fellow in female pelvic medicine and reconstructive surgery at UCLA under the mentorship of Dr. Shlomo Raz. Subsequently, he joined the faculty of the University of Arizona College of Medicine – Tucson.

Degree(s)

  • MD: New York University School of Medicine, 2000
  • BS: Brown University (magna cum laude, honors)
Residency
New York University, Urology, 2006
New York University, Surgery, 2002
Fellowship
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
Honors and Awards
Castle Connolly Top Doctor, 2013-2016
Best Doctors in America, 2013, 2014
Clinical Specialties
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
Research Interests

Incontinence and vaginal prolapse treatment, urodynamics, interstitial cystitis, outcomes research in incontinence and pelvic reconstructive surgery, dynamic pelvic MRI in the diagnosis of female pelvic organ prolapse, development of new techniques for female pelvic floor reconstruction