Ellen Hayes, MD

Dr. Hayes is a Reproductive Endocrinologist in the Milwaukee, WI office of Vios Fertility Institute, a participating provider in the WINFertility Network.

Education and Certification

Dr. Hayes earned her medical degree at Loyola University Chicago-Stritch School of Medicine. She completed her residency in obstetrics and gynecology at Medical College of Wisconsin, where she was named the outstanding resident in laparoscopic surgery, and completed fellowship training in reproductive endocrinology and infertility at Emory University Medical Center in Atlanta. Dr. Hayes is board-certified in obstetrics and gynecology and in reproductive endocrinology and infertility.

Current Hospital Appointments

Watertown Regional Medical Center


Dr. Hayes joined Vios after practicing with other fertility clinics in the Minneapolis and Milwaukee areas. Since 2004, Dr Hayes has focused on all aspects of fertility treatment, but she has a special interest in diminished ovarian reserve, fertility preservation, and recurrent pregnancy loss. She is a well-known expert on IVF and hysteroscopic surgery.

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