Our specialists

Our caregiver team offers best-practice care that only a major center like ours can provide. Herma Heart Center doctors are consistently ranked among The Best Doctors in America and offer some of the best outcomes in the nation. What’s more, we’re the only pediatric heart care program in Wisconsin where all caregivers are full-time fetal, neonatal and pediatric experts.

Cardiothoracic surgeons


Cardiac intensive care

Cardiac anesthesiologists


  • Matthew W. Buelow, MD
  • Sara Creighton, MD
  • Roni Jacobsen, MD
  • Margaret "Peggy" Keane, MD
  • Emy Kuriakose, MD
  • Rohit S. Loomba, MD
  • Rodrigo Rios, MD
  • Shagun Sachdeva, MBBS
  • Nikki Singh, MD
  • Andrew Spearman, MD
  • Jon Willes, MD

Advanced practice nurses

Physician assistants

Cardiology nurse clinicians

  • Stacy Fischer (Supervisor)
  • Stacy Avrit
  • Carol Carson
  • Kathleen Donkor
  • Dawn Dziubek
  • Maura Flynn-Galganski
  • Katie Kogutkiewicz
  • Terri Konkel
  • Lisa Neidhold
  • Lauren Raczaka
  • Liz Reid
  • Emily Reinhardt
  • Tara Saleska
  • Jane Sowinski
  • Katie Vogt
  • Deb Walbergh
  • Paula Welch

Surgery nurse clinicians

  • Yvonne Renick, RN (Lead)
  • Elizabeth Cornillie
  • Laura Haas, RN

Fetal heart program coordinator

  • Maura Flynn Galganski, RN

Cardiac social workers

  • Jennifer Garcia
  • Pat Stoll


Herma Heart Center psychologist

Cardiac dietician

  • Melissa White


  • Kristine Chase
  • Kevin Daley
  • Caleb Varner