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Fertility Doctors

Northern Illinois and Eastern Wisconsin Fertility Specialists

Our fertility doctors are highly qualified and nationally recognized reproductive endocrinologists who provide accurate diagnosis and comprehensive treatment of both female and male infertility.

The reproductive endocrinologists are backed by a support team of highly experienced nurses, clinical embryonologists and medical technologists.

For many patients struggling with infertility, the wait to conceive a child has been long enough. Our physicians are sensitive to those needs and provide diagnostic testing and laboratory results in a timely manner.

Ellen Hayes, MD, Reproductive Endocrinologist

"My goal is to provide a respectful and comfortable environment to help each individual realize her dream of becoming a parent."

Dr. Hayes sees patients at: 

Aurora Fertility Services in West Allis, Wisconsin
Aurora Advanced Healthcare in Milwaukee, Wisconsin
Aurora Advanced Healthcare in Whitefish Bay, Wisconsin

Mark F. Severino, MD, Reproductive Endocrinologist

"It takes more than modern medical technology to realize a couple's dream of becoming parents. I like to create an environment that nurtures the art and science of fertility care, which is a very personal issue for so many couples."

Dr. Severino sees patients at:

Aurora Fertility Services in Green Bay, Wisconsin
Aurora Fertility Services in West Allis, Wisconsin

Frank Wittmaack, MD, Reproductive Endocrinologist

“My patients deserve the best possible chance of becoming parents. I try to help them one couple at a time, realizing the importance of individualized treatment plans fitting their emotional, medical and economical situation.”

Dr. Wittmaack sees patients at:

Aurora Fertility Services in West Allis, Wisconsin
Aurora Medical Center in Kenosha, WIsconsin
Aurora Medical Center in Summit
Aurora Medical Center in Grafton
Aurora Advanced Healthcare in Milwaukee, Wisconsin

Contact Information

To get in touch, you can request an appointment online with any of our fertility doctors, contact us via email or call us at 877-358-0833.