Dr. Matthew Todd Baker

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Matthew Todd Baker, M.D., FACS


Fellow, Minimally Invasive Surgery, Gundersen Lutheran Medical Center, La Crosse, WI

2004 – 2005

Surgical Residency, Madigan Army Medical Center, Tacoma, WA

1996 – 2000

Surgical Internship, Madigan Army Medical Center, Tacoma, WA

1993 – 1994

George Washington University School of Medicine and Health Sciences, Washington, D.C


Brigham Young University, Provo, UT




Chair, Department of Surgery Gundersen Health System, La Crosse, WI

2015 – Current

Attending Surgeon Gundersen Health System, La Crosse, WI

2005 – Current

Clinical Assistant Professor, Department of General Surgery, University of Wisconsin School of Medicine


Staff General Surgeon, Martin Army Community Hospital, Ft. Benning, GA

2000 – 2004

General Surgeon, 240th Forward Surgical Team, Iraq

2003 – 2004

Tumor Board Liaison Chairman, Martin Army Community Hospital, Ft. Benning, GA


Chief, Department of General Surgery, Martin Army Community Hospital, Ft. Benning, GA


General Medical Officer, Kitzingen Army Health Clinic, Kitzingen, Germany

1994 – 1996



American Academy of Surgery

National board of Medical Examiners

ACLS Certification

ATLS Instructor


Reversal of Roux-en-Y gastric bypass. Video Presentation; American Society for Metabolic and Bariatric Surgery Obesity Week, November 2014.

Superior Mesenteric Artery Syndrome Following Laparoscopic Roux-en-Y Gastric Bypass. Video presentation; American Society for Bariatric Surgery (ASBS) national meeting, June 2005

Weight Loss Prior to Laparoscopic Gastric Bypass Does Not Affect Outcomes. Poster presentation at Society of American Gastrointestinal Endoscopic Surgeons’ (SAGES) national meeting, April 2005. Oral presentation; Wisconsin Surgical Society, October 2005

Effects of a Standardized Care Plan on Length of Stay in Patients Undergoing Laparoscopic Roux-en-Y Gastric Bypass for Morbid Obesity. Oral presentation; Wisconsin Surgical Society. October 2004. Poster presentation; American Society for Bariatric Surgery (ASBS) national meeting, June 2005.

Resectional Gastric Bypass. Tacoma Surgical Society. March 2000.


Kothari SN, Borgert, AJ, Kallies, KJ, Baker, MT, Grover, BT. Long-term (>10 year) Outcomes after Laparoscopic Roux-en-Y Gastric Bypass. Surg Obes Relat Dis. 2017 Jun;13(6):972-978.

Kothari SN, Obinwanne KM, Baker MT, Mathiason MA, Kallies KJ. A Prospective, Blinded Comparison of Laparoscopic Ultrasound to Transabdominal Ultrasound for the Detection of Gallbladder Pathology in Morbidly Obese Patients. J Am Coll Surg. 2013;216(6):1057-62.

Baker MT. The history and evolution of bariatric surgical procedures. Surg Clin North Am. 2011;91(6):1181-1201.

Kothari SN, Kallies KJ, Mathiason MA, Baker MT. Excellent Laparoscopic Gastric Bypass Outcomes Can Be Achieved at a Community-based Training Hospital with Moderate Case Volume. Ann Surg. 2010;252(1):43-49.

Riess KP, Baker MT, Lambert PJ, Mathiason MA, Kothari SN: Effect of Preoperative Weight Loss on Laparoscopic Gastric Bypass Outcomes. Surg Obes Relat Dis. 2008;4(6):704-708.

Pradhan KR, Larson CJ, Mathiason MA, Lambert PJ, Riess KP, Baker MT, Kothari SN. Calcium, parathormone, and vitamin D abnormalities among roux en-y gastric bypass patients. Bariatric Nursing and Surgical Patient Care. 2008;3(3):205-209.

Baker MT, Lara MD, Kothari SN. Superior Mesenteric Artery Syndrome After Laparoscopic Roux-en-Y Gastric Bypass. Surg Obes Relat Dis. 2006;2(6):667.

Baker MT, Lara MD, Larson CJ, Lambert PJ, Mathiason, MA, Kothari SN: Length of Stay and Impact on Readmission Rates Following Laparoscopic Gastric Bypass. Surg Obes Relat Dis. 2(4):435-439, 2006.

Baker MT, Kothari SN. Successful Surgical Treatment of a Pregnancy-induced Petersen’s Hernia After Laparoscopic Gastric Bypass: A Case Report. Surg Obes Relat Dis. 2005;1(5):506-508.

Lara MD, Baker MT, Larson CA, Mathiason MA, Lambert PJ, Kothari SN. Travel Distance, Age, and Sex as Factors in Follow-up Visit Compliance in the Post Gastric Bypass Population. Surg Obes Relat Dis. 2005;1(1):17-21.