Our Providers
Born in Salt Lake City but a Colorado resident since the age of three, Dr. Hansen completed all of her undergraduate and post-graduate education in the Centennial State. She received her B.A. in molecular biology from the University of Colorado at Boulder in 1989, then went on to the CU Medical School. She completed her residency in obstetrics and gynecology at the University of Colorado Health Sciences Center in Denver in 1997. Dr. Hansen is board certified in obstetrics and gynecology.
A practitioner at Boulder Women’s Clinic since 2000, Dr. Hansen’s special interests are in menopausal transitions including hormone replacement therapy (HRT) and non-hormonal treatment options, gynecologic surgery, advanced and routine care.
Dr. Hansen is a Fellow of the American College of Obstetrics and Gynecology and a member of both the Colorado Medical Society and Boulder County Medical Society.
In her free time, she enjoys outdoor activities, including mountain climbing, backpacking, trail running and skiing.
Jennifer Stanzel, PA-C, is a highly experienced Physician Assistant with over 30 years in practice. She began her career in Family Practice and Internal Medicine before focusing on Women’s Health Care, joining The Boulder Women’s Clinic in 2006.
Jen earned her B.S. degree in Medicine and Physician Assistant Certification from Des Moines University in Des Moines, Iowa, in 1994, after completing her undergraduate studies at the University of Nebraska-Lincoln. She maintains certification with the NCCPA, licensure with the Colorado Medical Board, and prescribing privileges through the DEA. She is also a Menopause Society Member and Certified Practitioner.
Jen’s areas of special interest include adolescent gynecology, contraception counseling and management (including 20 years of experience providing LARC care such as IUD and Nexplanon insertions), menopausal hormone therapy, management of abnormal PAP smears, and preventative medicine.
In her personal time, Jen is an avid traveler, exploring the world with her family, which includes her three young adult children. She also enjoys spending time outdoors with her two Portuguese Water Dogs and maintains an active lifestyle by teaching dance and fitness classes and working as a Certified Personal Trainer.
Madi Lohmann, WHNP is a board-certified nurse practitioner specializing in women’s health. Having grown up in Boulder, Madi feels grateful to care for patients in the place she calls home.
Madi earned her Bachelor of Science in Nursing from the University of Colorado Anschutz in 2018 and her Master of Science in Nursing from Frontier Nursing University. She worked for six years as a labor and delivery nurse in Seattle and most recently at Boulder Community Health, where she loved supporting women through the birthing process.
Her clinical interests include contraception counseling, menstrual disorders, and health promotion for women across all stages of life, from puberty through menopause and beyond. Madi values building meaningful relationships with her patients and strives to create a welcoming space where patients feel heard, informed, and empowered in their care.
Outside of the clinic, Madi enjoys yoga, skiing, crafting, and spending time outdoors with her fiancé and black lab, Stevie.