Riverside is here for you during the COVID-19 outbreak.

For more information, please click here.

John Damian Long, MD


Languages Spoken:




John Damian Long, MD

About John Damian Long, MD


Dr. Long received his bachelor's degree from Washington and Lee University and earned his medical degree from Eastern Virginia Medical School. He completed an internal medicine internship and served as Chief Medical Resident during his residency at Winthrop- University Hospital. He then completed his Fellowship in Gastroenterology at Tulane University School of Medicine.

Dr. Long is board-certified in internal medicine and gastroenterology and is a fellow of the American College of Physicians. He is a member of the American Society for Gastrointestinal Endoscopy, the American Gastroenterological Association, the American College of Gastroenterology, the American Medical Association, and the American Neurogastroenterology & Motility Society. Dr. Long has been selected as one of "The Best Doctors in America" by Best Doctors, Inc. for four consecutive years.

Dr. Long's special medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies, and other advanced diagnostic and therapeutic procedures.


Medical: Eastern Virginia Medical School
Residency: Winthrop-University Hospital
Internship: Winthrop-University Hospital
Fellowship: Tulane University School of Medicine

Board Certifications

American Board of Internal Medicine - Gastroenterology


Riverside Gastroenterology Specialists - Williamsburg

120 Kings Way, 3200 & 3300, Williamsburg, VA 23185

Get Directions And Drive Time



Riverside Gastroenterology Specialists - Gloucester

7547 Medical Drive, 2300, Gloucester, VA 23061

Get Directions And Drive Time



Ratings & Reviews

The Patient Rating score is an average of all responses to care provider-related questions from our leading, independent patient satisfaction research group.

Responses are measured on a scale of 1 to 5 with 5 being the best score.