These are Dr. Immerman's credentials specific to his expertise in general surgery and pilonidal surgery.

1971-1972: Bachelor of Science in Medicine: Northwestern University, Chicago, IL.

1973-1976: Doctor of Medicine: Northwestern University, Chicago, IL.

1977-1981: General Surgery Residency: Northwestern University, Department of Surgery, Chicago, IL.

1980-1981: American Cancer Society Clinical Surgical Fellowship in Surgical Oncology, Evanston Hospital, Evanston, IL.

1982-present: Senior Partner, Evergreen Surgical, Eau Claire, Wisconsin.

1983-present: Board Certified in General Surgery by the American Board of Surgery.

1985-present: Fellow of the American College of Surgeons

2010-present: Chairman, Sacred Heart Hospital Performance Improvement Committee.

2014: Publication,  Treatment of Pilonidal Disease Using the Bascom “Cleft Lift” Procedure was published as a brief report in the online portion of peer reviewed journal, The American Surgeon.

2016: Sacred Heart Hospital’s “Physician of the Year”.

2017: Presentation of “The Bascom Cleft Lift for Perianal Pilonidal Disease” to the International Pilonidal Society, Berlin, Germany.

2018-present: Executive Councilor of the International Pilonidal Society.

2018: Online video of “The Bascom Cleft Lift for Perianal Pilonidal Disease” presented by the European Society of Coloproctology.

2018: Co-Author – Wysocki AP, Andersson RE, Gips M, Girgin M, Guner A, Immerman S, Kanat BH, Kayaalp C, Milone M, Petersen S, Senapati A, Tezel E, Doll D. Towards a classification for sacrococcygeal pilonidal disease – Berlin 2017. Pilonidal Sinus Journal 2018; 4(1):5-12.

2019: Presentation of “The Bascom Cleft Lift for Complex Pilonidal Disease”, and “Care of the Long Distance Pilonidal Patient”, to the International Pilonidal Society, Vienna, Austria, September 2019.

2021: Publication, Immerman S C (February 01, 2021) The Bascom Cleft Lift as a Solution for All Presentations of Pilonidal Disease . Cureus 13(2): e13053.
doi:10.7759/cureus.13053

2021: Presentation, “The cleft-lift as the ‘gold standard’ for treatment of pilonidal disease “. Webinar of the Italian Society of Colorectal Surgery; June 28th.

2021: Publication, Immerman S C (September 03, 2021) Patient Satisfaction After the Cleft-Lift Procedure. Cureus 13(9): e17686. doi:10.7759/cureus.17686

2022: Presentation, “Optimal Treatment of Pilonidal Disease”, to the North Central Region of the Wound, Ostomy Care and Continence Nurses Society, October 15th, Eau Claire, WI.

2023: Publication, Immerman S C (February 01, 2023) Revision of the Failed Cleft Lift for Pilonidal Disease. Cureus 15(2): e34511. doi:10.7759/cureus.34511

2023: Presentation to the International Pilonidal Society in Copenhagen, “The cleft-lift as the ‘gold standard’ for treatment of pilonidal disease “, and “Surgical Treatment of Edge-of-Anus Wounds with the Bascom Cleft Lift”.

The Eau Claire River and Phoenix Park