John C. Martens, MD, FACS

General Surgeon

Dr. John Martens is a board-certified surgeon who provides compassionate care to his patients while offering them the most advanced diagnostic options and surgical treatments available. With nearly 20 years of experience, Dr. Martens has received advanced training in general and vascular surgery, allowing him to perform a wide range of surgical procedures. As a general surgeon, he is also uniquely qualified to diagnose problems and recommend the most appropriate therapy for his patients, which may or may not include surgery. Instead, he may prescribe preventive steps to help patients maintain a healthy, active lifestyle without surgical intervention. If surgery is needed, Dr. Martens incorporates advanced techniques, such as endoscopy and laparascopy, to ensure patients are less apprehensive about their outcomes.

Dr. Martens received his Bachelor of Arts from Bluffton College in Bluffton, Ohio, and his Doctor of Medicine from Indiana University School of Medicine in Indianapolis. Following graduation, he completed his internship at St. Mary's Hospital and his residency at Blodgett Memorial Hospital, both in Grand Rapids, Mich. He then joined Gerig Surgical Associates, P.C., which serves Goshen Health and specializes in minimally invasive surgery of the chest, abdomen, pelvis, vascular system and endocrine system, as well as wounds. Dr. Martens has a special interest in endovascular and vascular surgery. In addition, he has served as a missionary in Cambodia and is deeply committed to improving the health of all those who need it.

Current Position

General Surgeon, Gerig Surgical Associates, P.C., Goshen, Ind.


Bachelor of Arts, Bluffton College, Bluffton, Ohio
Doctor of Medicine, Indiana University School of Medicine, Indianapolis


General Surgery, St. Mary's Hospital, Grand Rapids, Mich.


General Surgery, Blodgett Memorial Hospital, Grand Rapids, Mich.

Board Certification

American Board of Surgery



Professional Memberships

Fellow, American College of Surgeons
American Medical Association
Society of Laparoendoscopic Surgeons
Indiana State Medical Association





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