Dr. Harold Koehler

John Stoffel is a General Surgeon and a Urologist in Ann Arbor, Michigan. Dr. Stoffel is highly rated in 34 conditions, according to our data. His top areas of expertise are Neurogenic Bladder, Urinary Incontinence, Urinary Tract Infection (UTI), Reconstructive Urology Surgery, and Hernia Surgery.

Dana A. Telem, MD, MPH, is the Section Head of General Surgery, the Associate Chair for Quality and Patient Safety, and the Lazar J. Greenfield Professor of Surgery. Dr. Telem completed her surgical training at The Mount Sinai Medical Center in New York and her fellowship in Minimally Invasive and Bariatric Surgery at the Massachusetts General Hospital. Dr. Telem also completed a Master’s in Public Health in the Executive Master’s of Healthcare Management program at the Columbia University Mailman School of Public Health.She serves on the editorial boards of Annals of Surgery and Surgery for Obesity and Related Diseases, is a Subject Editor for Surgical Endoscopy and a Section Editor for Hernia. Her research and commentaries have been published in several prominent journals such as the Journal of the American Medical Association (JAMA) and Annals of Surgery. She serves on the SAGES and Foundation for Surgical Fellowships Board of Governors, and holds key leadership positions across several organizations and societies focused on quality and patient safety, as well as diversity and inclusion.Clinical Specialization:Her clinical practice is devoted to minimally invasive therapies focused on hernia, benign diseases of the esophagus and morbid obesity. Dr. Telem is highly rated in 18 conditions, according to our data. Her top areas of expertise are Hernia, Obesity, Umbilical Hernia, Sleeve Gastrectomy, and Gallbladder Removal.

J. Quentin Clemens, MD, has published over 200 peer-reviewed manuscripts and book chapters. His research focuses on epidemiology and health services research related to benign urologic diseases, health policy, and quality of care assessment in urology. He has had continuous funding from the NIH since 2001. Dr. Clemens is currently the Principal Investigator for two NIH-funded research networks – the University of Michigan LURN Research Site and the University of Michigan MAPP Research Network. He has served as the Chair of the MAPP Network since 2013. His clinical interests include female urinary incontinence, complex fistulas and erosions, lower urinary tract reconstruction using bowel segments, bladder dysfunction due to neurologic disease, video urodynamic evaluation of complex lower urinary tract dysfunction, and interstitial cystitis/painful bladder syndrome. Dr. Clemens is highly rated in 16 conditions, according to our data. His top areas of expertise are Interstitial Cystitis, Frequent or Urgent Urination, Neurogenic Bladder, Sacral Nerve Stimulation, and Endoscopy.