Mark S. Loewen, M.D., F.A.C.S.

Oxley Web

In addition to general surgery, Dr. Loewen specializes in laparoscopic and minimally invasive surgery. He performs open and laparoscopic gastrointestinal surgery, and office procedures for skin and ano-rectal problems.

Dr Loewen is the only surgeon on Cape Cod to be trained in the THD hemorrhoidopexy procedure. Watch a video to learn more about the THD procedure

In addition to his office hours at Cape Cod Surgical Associates, Dr. Loewen can be seen at the Fontaine Medical Center in Harwich for consultations and minor surgical procedures.



Specialty: General Surgery, Minimally Invasive Surgery

Certifications: American Board of Surgery

Affiliation: Cape Cod Hospital, Hyannis; Ambulatory Surgery Center, Sandwich

Medical School: Rush Medical College, Chicago, IL

Residency: Westchester Medical Center, Valhalla, NY (General Surgery)

Fellowship: Saint Francis Hospital, Hartford, CT (Advanced Laparoscopic Surgery)

Clinical Interests: Complex Hernia Repair, Laparascopic Colon Surgery, Hemorrhoid Surgery/Office Procedures, Pediatric Hernia Repair, Surgical treatment for Gastro-Esophageal Reflux Disease (GERD), Laparoscopic Adrenalectomy, Surgery for Skin Malignancies including Melanoma, Temporal Artery Biopsy

Societies: Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)

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