Holly Spletzer, MSN, FNP-C, AOCNP, CTTS

Holly was born in Green Bay and grew up on a horse farm in Lena, Wisconsin. She went on to earn her Bachelor of Science in Nursing at Bellin College School of Nursing in 2005. She worked as a hospital nurse and a chemotherapy infusion nurse for six years before obtaining her Master of Science degree, FNP-C, from Concordia University of Wisconsin. She worked at Green Bay Oncology as a registered nurse and then transitioned to the nurse practitioner role after graduating in 2011.

Holly and her husband, Tyler, and their children live north of Green Bay in Pound and have two dogs and two horses. They enjoy outdoor activities, such as hunting, fishing, camping and horseback riding, as well as music and dancing.

“I see myself as a partner with the patient, teaming up with his or her family—along with the entire team at Green Bay Oncology—providing wholistic, leading-edge and seamless care.”


  • Treatment of all cancer types
  • Treatment of adult blood disorders
  • National Cancer Institute (NCI) Community Oncology Research Program (NCORP) trial participant


  • Bachelor of Science in Nursing, Bellin College of Nursing, Green Bay, WI
  • Master of Science in Nursing, Concordia University, Mequon, WI


  • Certified Family Nurse Practitioner
  • Advanced Oncology Certified Nurse Practitioner
  • Certified Tobacco Treatment Specialist through Mayo Clinic
  • Member of American Academy of Nurse Practitioners
  • Member of Oncology Nursing Society
  • Member of Wisconsin Nurses Association
  • Member and Secretary of Northeastern Wisconsin Oncology Nurses Society
  • Special interest in Cancer Survivorship
  • Born in Green Bay, WI
  • Enjoys camping, horseback riding, and music
  • Married, mother of two


Holly is very attuned to the needs of her patients and is driven to help them in every way possible.
KEY TRAITS: Insightful, empathetic, committed

  • Holly's Blog Posts

    Cancers and blood disorders are being diagnosed at earlier stages and earlier ages.  This is positive as treating earlier stage cancers allows for better treatment outcomes than treating the later ...

    The roots of the modern cigarette go back to the 9th century when the Mayans and Aztecs used tobacco in religious ceremonies.   It was not until 1880 a cigarette machine ...