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Specialties:
  • Minimally Invasive Laparoscopic Surgery
  • Colorectal Surgery
  • Robotic Surgery
  • Breast Surgery
  • Surgical Oncology
  • Endoscopic Procedures
  • Anti-reflux Surgery
  • Emergency Trauma Care
  • Diseases of the Thyroid and Parathyroid Glands
  • Vascular Surgery
  • Endovascular Surgery
  • Thoracic Surgery
  • Radiofrequency Ablation for Varicose Veins

Personal Info

Dr. Brennan is a Board Certified General surgeon. He is a graduate of University of Wisconsin Medical School in Madison, Wisconsin, receiving his general surgery and trauma training at Loyola University Medical Center in Maywood, Illinois.

He is a Fellow of the American College of Surgeons, a position that requires devotion to surgical practice and uncompromising adherence to the ethical standards of the College. Fellows must have graduated from a medical school accepted by the College, be certified by the American Board of Medical Specialty, hold an unrestricted medical license to practice, and be a specialist in surgery.

Interests

His interests include minimally invasive laparoscopic surgery, robotic surgery, endoscopy, surgical oncology, endocrine surgery, colorectal surgery, thoracic surgery, vascular surgery, endovascular surgery and emergency trauma care.

Education & Training

Undergraduate
University of Notre Dame, Notre Dame, IN 1993

Medical School
University of Wisconsin Medical School, Madison, WI 1997

Internship
Loyola University Medical Center, Maywood, IL 1997-1998

Residency
Loyola University Medical Center, Maywood, IL 1998-2002
Chief Resident, Loyola University Medical Center, Maywood, IL 2002