David Groteluschen, MD

Raised in Marshalltown, Iowa, Dr. Groteluschen received his degree in chemistry from the University of Iowa and his M.D. degree from the University of Iowa College of Medicine. His internship, residency and oncology fellowship were completed at the University of Wisconsin in Madison. He is board certified in internal medicine and medical oncology.

Dr. Groteluschen resides in Green Bay with his wife, Caitlin, their two daughters and their son.

“Because a cancer diagnosis is life changing, I strive to provide not only innovative medical therapies, but also much needed emotional support.”


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


  • University of Iowa, Carver College of Medicine, Iowa City, IA


  • University of Wisconsin Hospital and Clinics, Madison, WI


  • Medical Oncology: University of Wisconsin Hospital and Clinics, Madison, WI


  • Internal Medicine
  • Medical Oncology


  • Special interest in lung and gastrointestinal malignancies
  • Completed multiple courses in clinical research
  • Primary author of three clinical trials in lung and pancreatic cancer
  • Co-authored multiple trials in lung and gastrointestinal malignancies
  • Born in Marshalltown, IA
  • Married, father of three
  • Enjoys playing basketball and tennis, skiing, concerts, traveling, and spending time with the family up north


David is an innovative problem solver who brings warmth and sensitivity to his patients.
KEY TRAITS: Sensitive, visionary, passionate


  • David's Blog Posts

    November 11, 2015 (Green Bay, WI) – Green Bay Oncology is pleased to announce it has been named a 2015 Guardian of Excellence Award® winner by Press Ganey Associates, Inc. The Guardian of Excellence Award recognizes top-performing health care organizations that have consistently achieved the 95th percentile or above of performance in Patient Experience.

    The goal of good health care communication is to build a trusting relationship between the patient and the health care team. A trusting relationship allows for sharing of information and ...