About Long Island Gastroenterology Specialists

The Joint Commission National Quality ApprovalLong Island Gastroenterology Specialists is committed to the care of your digestive diseases. Dr. Michael C. Barth, Dr. Jordan M. Rush, Dr. Carly G. Barth, and Dr. Jarrad E. Marshak are trained specialists who use their years of experience, diagnostic techniques and unmatched bedside manner to diagnose and treat diseases and disorders of the digestive system.

Our Mission

To be the area’s premier provider of healthcare services for the diagnosis and treatment of digestive disorders. We are committed to delivering high quality care in a professional and caring environment in order to improve the health and well-being of our patients.

Our Affiliations

Patients can be seen in any of our various locations. Our Wantagh office is certified for office-based procedures by The Joint Commission, the highly regarded independent accreditation entity. Our physicians are also affiliated with the Meadowbrook Endoscopy Center, a Nassau County ambulatory surgical center, as well Mount Sinai Hospital, Winthrop University Hospital, South Nassau Communities Hospital, and Mercy Medical Center.

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