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Division of Gastroenterology

The physicians and staff of Rowan Medicine’s Division of Gastroenterology offer expert diagnosis and management of diseases of the digestive tract, pancreas and liver. We emphasize close interaction with referring physicians coupled with sympathetic understanding of our patients’ needs in the context of their disease.

We accept most insurance plans – please call our office or check with your provider to verify coverage.

Our dedication to patient education and innovative treatment helps patients find relief from such common gastrointestinal disorders as:

  • Reflux disease (heartburn)
  • Swallowing disorders
  • Ulcer disease
  • Irritable bowel syndrome
  • Inflammatory bowel disease (Crohn's disease and ulcerative colitis)

John Chiesa, DO, FACOI, Vice Chair, Dept. of Medicine

Dr. Chiesa, an associate professor of Medicine within the Division of Gastroenterology, was a member of the UMDNJ-SOM faculty from 1980 until 2005. Dr. Chiesa, board certified in Internal Medicine and Gastroenterology, earned his Bachelor of Science degree in Pharmacy from Columbia University and his medical degree from the Philadelphia College of Osteopathic Medicine. He served his internship at Kennedy Memorial Hospital (KMH), Stratford, and completed his residency in Internal Medicine at Veterans Hospital, Salem, VA and at KMH. He did his fellowship in Gastroenterology at The Graduate Hospital and KMH. Dr. Chiesa also serves as vice chair of the Department of Medicine.

Donald J McMahon DO

Richard L. Walters, DO

42 East Laurel Road, Suite 3500
Stratford, NJ 08084
Phone: 856-566-6853
Washington Township
Harbor Pavilions
570 Egg Harbor Road
Suite C-2,
Sewell, NJ 08080
Phone: 856-218-0300
Mt. Laurel
100 Century Parkway, Suite 140
Mt. Laurel, NJ 08054
Phone: 856-380-2400