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Our Team of Fertility Specialists

A team you can count on

Our reproductive medicine and fertility team surrounds you with support, expertise and compassion as they walk you through your options and toward a treatment plan.

The team is led by Keith Hansen, MD, and Tiffany Von Wald, MD - the only fellowship-trained, board-certified reproductive endocrinologists in the South Dakota region. They provide comprehensive, leading edge care alongside a team of experienced medical professionals, dedicated to delivering the most advanced treatments with understanding and compassion. Their years of specialized experience add up to exceptional care and results.

Team Members Include:

  • On-site embryology lab director
  • Embryologists
  • Andrology Technician
  • Certified Nurse Practitioners
  • Certified Genetic Counselors
  • Fertility trained nurses (RNs)
  • Registered Ultrasound Technicians (RMDS)
  • Financial Specialist

Keith Hansen, MD, FACOG

Dr. Keith Hansen is board certified in obstetrics and gynecology and reproductive endocrinology. He completed his fellowship in reproductive endocrinology at the National Institutes of Health, National Naval Medical Center and Walter Reed Army Medical Center in Bethesda, MD., and Washington D.C. Dr. Hansen has more than 20 years of experience in the teaching and treatment of reproductive disorders and infertility.

Tiffany Von Wald, MD, FACOG

Dr. Von Wald completed her fellowship in reproductive endocrinology and infertility at Harvard Medical School and Beth Israel Deaconess Medical Center in Boston, Mass. She is board certified in obstetrics and gynecology and reproductive endocrinology, and enjoys connecting with patients on a personal level as she helps them build their families.

Shanna Konz, CNP

Shanna is a Women's Health NP and joined the RE team in 2010.  Prior to becoming an NP, Shanna worked as an RN in the Neonatal Intensive Care Unit, Labor & Delivery, and Postpartum Units.  Shanna loves supporting patients down their road to achieving the family of their dreams.

Angie Schmidt, CNP

Angie is a Family Nurse Practitioner and joined the Sanford RE team in 2012.  Prior to working in RE, she was an NP with the Gynecology Oncology team at Sanford.  She has worked at Sanford since 2001.  Angie's philosophy is to support her patients through their journey and provide individualized care along the way to their goal of starting a family.