About Northside Gastroenterology Associates Northside Gastroenterology Associates, PA, is a patient-focused gastroenterology practice with two locations in Houston and Cypress, Texas. The Northside Gastroenterology Associates team treats all kinds of gastroenterology issues, including irritable bowel syndrome, hemorrhoids, acid reflux, gastroesophageal reflux disease (GERD), and more using the most advanced medical technology for endoscopy, colon cancer screening, colonoscopy, and more.  Practice gastroenterologist Ayub Hussain, MD, FACP, FACG, is one of a select few in the area to have advanced training in endoscopic retrograde cholangio pancreatography (ERCP), and endoscopic suturing and capsule endoscopy certification.  The Northside Gastroenterology Associates team is patient-centric. They believe that patients need and deserve information about their condition, treatment alternatives, and staying healthy long term, so they strive to make patient education a priority at all times. This progressive and personalized approach makes Northside Gastroenterology Associates one of the leading gastroenterology practices in the entire Houston area.  At this time, Northside Gastroenterology Associates is welcoming new patients at their Houston and Cypress locations. Call or click to set up an appointment today.