Steven C. Immerman, MD, FACS

Steven C. Immerman, MD, FACS Dr. Immerman moved to Eau Claire and started Evergreen Surgical in December of 1981. Thirty five years later, his practice has grown to its present size of four board certified general surgeons.Before moving to Eau Claire, Dr. Immerman received both his undergraduate and medical degrees from Northwestern University in Chicago.

Following that, he completed a five year residency in general surgery at Northwestern University. As part of his surgical training, he completed an American Cancer Society Clinical Fellowship in Surgical Oncology. Dr. Immerman has published papers on cancer of the breast, lung, pancreas, parathyroid glands, and skin; and more recently on pilonidal disease. He is board certified in General Surgery by the American Board of Surgery, and is a Fellow of the American College of Surgeons.

He has served as Director of Trauma for Sacred Heart Hospital, chaired their Department of Surgery, currently serves on their Cancer Committee, and is chairman of the Performance Improvement Committee. Sacred Heart named him "Physician of the Year" in 2016 for his commitment to quality care and his patients.

He has special interest in the treatment of lung cancer and difficult pilonidal cyst disease* utilizing the Bascom Cleft-Lift Procedure. He is the founder of the of the OakLeaf Medical Network and was the CEO of the OakLeaf organization from 1993 to 2006, and was the driving force behind the creation of the OakLeaf Surgical Hospital.

Dr. Immerman was born and raised in the suburbs of New York City. He is married and has three sons and three grandchildren. His hobbies include photography, computers, and kiln formed glass. His glass art is in galleries across the United States and can be seen online and on Facebook.

*Dr. Immerman performs most of his pilonidal surgeries at OakLeaf Surgical Hospital, for more information, at


For more information or to schedule an appointment, call 715.832.1044.

  • city
  • address
  • hours
    • Eau Claire
    • 719 W. Hamilton Avenue
      Eau Claire, WI 54701
    • Monday-Friday, 8:30 AM-5:00 PM


  • 715.832.1044



  • General Surgery
  • Thoracic (Chest) Surgery