# JKAN Gastroenterology PLLC > JKAN Gastroenterology PLLC is a gastroenterology practice in Lower Manhattan, New York City, led by board-certified gastroenterologist Nancy Lau, MD, focusing on diagnosing and treating gastrointestinal disorders. Dr. Lau treats various GI disorder symptoms, including abdominal pain, gas, bloating, constipation, diarrhea, and vomiting. She utilizes innovative diagnostic procedures such as colon cancer screening, colonoscopies, and endoscopies to create effective treatment plans. The practice cares for patients with Celiac disease, fatty liver disease, gallstones, hemorrhoids, gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS), liver disease, pancreatic disease, and inflammatory bowel disease (IBD). JKAN Gastroenterology PLLC tailors treatments to patient needs and lifestyles, aiming to detect potentially serious GI concerns early and optimize overall gastrointestinal health. Disclaimer: This information is for informational purposes only and does not constitute medical advice. ## Key Pages - [New Patient Registration](https://www.jkangastro.com/registration) - [Plan Your Visit](https://www.jkangastro.com/visit) ## Booking & Contact - [Schedule Appointment](https://www.jkangastro.com/schedule) - [Contact Us](https://www.jkangastro.com/contact-us) - [Pay Online](https://www.jkangastro.com/pay-online): Information on online payment options. - [Pay Now](https://www.jkangastro.com/pay-now): Access payment portal. - [Location Information](https://www.jkangastro.com/new-york-ny): Details for the Lower Manhattan office. ## Providers - [Nancy Lau, MD](https://www.jkangastro.com/nancy-lau-md) ## Services - [Abdominal Pain](https://www.jkangastro.com/abdominal-pain) - [Celiac Disease](https://www.jkangastro.com/celiac-disease) - [Colon Cancer Screening](https://www.jkangastro.com/colon-cancer-screening) - [Colonoscopy](https://www.jkangastro.com/colonoscopy) - [Constipation](https://www.jkangastro.com/constipation) - [Endoscopy](https://www.jkangastro.com/endoscopy) - [Fatty Liver Disease](https://www.jkangastro.com/fatty-liver-disease) - [GERD (Gastroesophageal Reflux Disease)](https://www.jkangastro.com/gerd-gastroesophageal-reflux-disease) - [Inflammatory Bowel Disease](https://www.jkangastro.com/inflammatory-bowel-disease) - [Irritable Bowel Syndrome](https://www.jkangastro.com/irritable-bowel-syndrome) - [Liver Disease](https://www.jkangastro.com/liver-disease) ## Policies - [Terms of Use](https://www.jkangastro.com/our-terms) - [Privacy Policy](https://www.jkangastro.com/your-privacy) - [Accessibility Statement](https://www.jkangastro.com/accessibility-statement) ## Patient Resources - [Fiber & Carbs with Extra Benefits (TCOYD)](https://tcoyd.org/2023/04/fiber-carbs-with-extra-benefits/) - [Liver Disease Information (Cleveland Clinic)](https://my.clevelandclinic.org/health/diseases/17179-liver-disease) - [Fatty Liver Disease Information (Cleveland Clinic)](https://my.clevelandclinic.org/health/diseases/15831-fatty-liver-disease) ## Blog - [Blog Archive](https://jkangastro.com/blog-archive) - [Blog Archive](https://www.jkangastro.com/blog-archive)