Brian J. McGuinness, MD, FACS

Dr. Brian J. McGuinness earned his medical degree at Tulane University, in New Orleans, Louisiana. He completed an internship and a residency in general surgery at the Ohio State University Medical Center in Columbus, Ohio. He completed his fellowship in colon and rectal surgery at the University of Texas in Houston, Texas.

Dr. McGuinness is board certified by the American Board of Surgery and the American Board of Colon & Rectal Surgery. He received numerous grants and awards during his residency. Dr. McGuinness is a member of the Alameda-Contra Costa Medical Association, the Northern California Society of Colon and Rectal Surgeons, the Northwest Society of Colon & Rectal Surgeons, the American College of Surgeons, and the American Society of Colon & Rectal Surgeons. He has served as chairman of the Department of Surgery at the John Muir Medical Center Concord Campus. He has preceptored several surgeons nationally in laparoscopic and minimally invasive techniques in colon and rectal surgery.

His interest is infectious, inflammatory, and neoplastic disorders of the intestines, colon and rectum.

Dr. McGuinness joined Bay Area Colon & Rectal Surgeons a division of BASS Medical Group in August of 2003. He was born and raised in Boston, Massachusetts.

Medical School: Tulane University in New Orleans, Louisiana
Internship: Ohio State University Medical Center in Columbus
Residency: Ohio State University Medical Center in Columbus
Fellowship: University of Texas in Houston

John Muir Health Walnut Creek Medical Center
John Muir Health Concord Medical Center