RWJBarnabas Health Medical Group Associates in Colon and Rectal Diseases, PA
Mark E. Gilder, M.D., FACS, FASCRS; Debra R. Tarantino, M.D., FACS, FASCRS

200 South Orange Avenue, Suite 232, Livingston, NJ 07039 • 973.322.0250
Dr. Mark Gilder and Dr. Debra Tarantino have been distinguished as Top Doctors in New Jersey for the past 13 years. Associates in Colon and Rectal Diseases, is recognized as one of the most prestigious colon and rectal surgical practices in the region. In their practice they emphasize patient education and active participation in their own care.
They specialize in robotic and minimally invasive surgery, focusing on the treatment of colon and rectal cancer as well as benign disorders of the colon. They have strong collaborative relationships with radiation and medical oncologists throughout the metropolitan area to help provide the most contemporary cancer treatment options, including rectal preservation for rectal cancer. Their patients benefit from their association with the Cancer Institute of New Jersey, often offering clinical protocols and trials not available elsewhere.
Drs. Gilder and Tarantino specialize in the treatment of fecal incontinence, pelvic floor disorders, and constipation, along with a wide variety of anorectal conditions, including anal fissures, complex fistulas, and hemorrhoids. They work with gastroenterologists to provide specialized care for patients with inflammatory bowel disease. These complex patients benefit from this close team approach.
Their group are dedicated professionals driven to educate and train the future generation of surgeons. They proudly serve as clinical attendings for the Rutgers University North Residency Program, one of the leading university training programs in the state of New Jersey.
They are pleased to expand their team with Dr. Wei Liu and physician assistant Julie Schwegman to continue delivering quality, timely care to their patients.

