Specialties Maze Men's Sexual & Reproductive Health is the area's leading treatment facility for male infertility and sexual dysfunction. Since the practice is limited to these specialties, Michael A. Werner, MD provides cutting-edge treatment methods and solutions. For his male sexual dysfunction patients, Dr. Werner treats erectile dysfunction, premature ejaculation, impotence, and Low T. Dr. Werner diagnoses and treats the many causes of male infertility. He is also one of the only doctors in the country who specializes in the unique no-needle, no-scalpel vasectomy.