Our Providers

Claire received her Bachelor of Science degree in Nursing from Winona State University in Minnesota and her Master in Science of Nursing degree from Governors State University in Illinois. She has a background of working in critical care as a registered nurse before going back to school to pursue her passion of preventative care as a nurse practitioner. Claire is nationally certified through the American Academy of Family Nurse Practitioners and is a member of the American Academy of Nurse Practitioners.

Outside of work she enjoys reading, hiking, gardening, and spending time with her family.

Dr. Voice is a native of Michigan. She received her Bachelor of Science in Exercise and Health Sciences from Alma College and her medical degree from Michigan State University College of Osteopathic Medicine. Dr. Voice completed her residency in Obstetrics and Gynecology at Metro Health-University of Michigan Health Hospital in Grand Rapids, Michigan.

Dr. Voice is married and has two children. She enjoys spending time with her family, hiking, running, gardening, and being outdoors.

Dr. Voice sees patients at Oconomowoc and Watertown.

Dr. Trester received her Bachelor of Science and Doctor of Medicine degrees from the University of Wisconsin-Madison. She completed her residency at Loyola University Medical Center in Maywood, Illinois. She is a Fellow of the American College of Obstetricians and Gynecologists. Dr. Trester is particularly interested in fertility services and is a member of the Associated Society of Reproductive Medicine.

Dr. Trester is the mother of four children (including twins!). She enjoys sailing, snowboarding, cross-country skiing, and spending time with her family.

Dr. Trester sees patients at our Waukesha and Sussex locations.

Dr. Taylor received his Bachelor of Science degree at the University of Wisconsin Madison and his medical degree from the Medical College of Wisconsin. He completed his residency in Obstetrics and Gynecology at the Medical College of Wisconsin in Milwaukee.

He is board-certified and a Fellow of the American College of Obstetricians and Gynecologists. He is a member of the American Medical Association and the American Institute of Ultrasound in Medicine. He is a Certified Menopause Practitioner with the North American Menopause Society (NAMS).

Dr. Taylor is married and has three children. He enjoys running, golfing, traveling, and spending time with his children.

Dr. Taylor sees patients at our Waukesha and Brookfield locations.

Dr. Sponagle received her Bachelor of Science and Medical degree from the University of Wisconsin-Madison. She completed her residency in Obstetrics and Gynecology at the Medical College of Wisconsin-Milwaukee.

She is board-certified and a Fellow of the American College of Obstetricians and Gynecologists. She is also a member of the American Institute of Ultrasound in Medicine and the North American Menopause Society.

Dr. Sponagle is married and has one son. She enjoys traveling and outdoor activities, including hiking and skiing.

Dr. Sponagle sees patients in Waukesha and Oconomowoc.

Dr. Nelson grew up in New Berlin, Wisconsin, and attended Catholic Memorial High School in Waukesha. She received her Bachelor of Science in Biochemistry and Genetics from the University of Wisconsin-Madison and her Doctor of Medicine degree from the Medical College of Wisconsin, where she also completed her residency in Obstetrics and Gynecology. She is a Certified Menopause Practitioner with the North American Menopause Society (NAMS).

Dr. Nelson lives in Lake Country and is married with three children. She enjoys spending time with family and friends and cheering on the Badgers, Packers, and Brewers.

Dr. Nelson sees patients at our Waukesha and Oconomowoc locations.

Dr. Lemieux received her Bachelor of Science in Biology from the University of Wisconsin-Madison and her Doctor of Medicine degree from the University of Wisconsin School of Medicine and Public Health. She completed her residency in Obstetrics and Gynecology at the University of Louisville School of Medicine.

Dr. Lemieux grew up in Oconomowoc. She is married and has three kids and a dog. She enjoys spending time with her family and exploring new places. In her free time, you can catch her attending a Wisconsin sports game or a country music concert. However, her favorite pastime is fishing in Canada.

Dr. Lemieux sees patients at our Oconomowoc and Watertown locations.

Dr. Janz received her Bachelor of Science degree from the University of Wisconsin-Madison and her Doctor of Medicine degree from the Medical College of Wisconsin. She completed her residency in Obstetrics and Gynecology at the Medical College of Wisconsin in Milwaukee. She is board-certified and a Fellow of the American College of Obstetricians and Gynecologists.

Dr. Janz is married with two children. She enjoys running, traveling and spending time with friends and family.

Dr. Janz sees patients in Waukesha and Sussex.

Dr. Herzberg is certified by the American Board of Obstetrics and Gynecology. She received her Bachelor of Science degree at Marquette University and her Doctor of Medicine from the Medical College of Wisconsin. She completed her residency in Obstetrics and Gynecology at the University of Cincinnati College of Medicine in Ohio.

Dr. Gregory received his B.A. in Biology and Chemistry from Drury University in Springfield, Missouri. He graduated from Saint Louis University School of Medicine and completed residency training in Obstetrics and Gynecology at the Medical College of Wisconsin.

He is board-certified and a Fellow of the American College of Obstetricians and Gynecologists. He is a member of the Wisconsin Medical Society and the Waukesha Medical Society.

In his free time, he loves to explore new things. He loves visiting new places and meeting new people. He’s also an adventuresome quasi-foodie; it doesn’t have to be fancy as long as it’s different or unique. Ultimately, life is about experiences, and you may miss out if you stick to your old standards.

Dr. Gregory sees patients at our Waukesha and Mukwonago locations.