Meet Lincoln Hernandez, MD

Lincoln Hernandez, MD is a board-certified gastroenterologist with over 20 years of experience, practicing in New York City since 2012. He is an Assistant Clinical Professor of Medicine at the Icahn School of Medicine at Mount Sinai, with hospital affiliations at The Mount Sinai Hospital and Mount Sinai Queens.

Dr. Hernandez completed his residency in Internal Medicine at NYU Downtown Hospital, where he received the Program Director's Award and the John T. Flynn Young Investigator Award. He then pursued a fellowship in Clinical Nutrition at NewYork-Presbyterian Hospital/Columbia University Medical Center, where he served as an Instructor in Clinical Medicine and subsequently became a research fellow at Columbia University's renowned Celiac Disease Center. During this time, he co-authored multiple peer-reviewed publications on celiac disease diagnosis, quality of life, and gastrointestinal outcomes. He completed his fellowship training in Gastroenterology and Hepatology at Tulane University School of Medicine in New Orleans, followed by clinical work at Ochsner Clinic in Baton Rouge, where he developed expertise in complex therapeutic endoscopy.

You're In Good Hands

Dr. Hernandez's clinical focus reflects the depth of his training. He specializes in inflammatory bowel disease — including Crohn's disease and ulcerative colitis — chronic liver disease, celiac disease, colon cancer prevention, and reflux and motility disorders. He has served as a Principal Investigator in clinical drug trials focused on MASLD (metabolic-associated steatotic liver disease), placing him at the forefront of emerging treatments for fatty liver disease. He is one of a small number of gastroenterologists in New York with both clinical and research-level expertise in celiac disease, a condition that remains significantly underdiagnosed in the United States.

In addition to his office practice in Washington Heights, Dr. Hernandez performs procedures at Gramercy Park Digestive Disease Center, an AAAHC-accredited ambulatory surgery center in Midtown Manhattan, offering patients across New York City convenient access to high-quality endoscopic care.

Dr. Hernandez is fluent in English and Spanish and is committed to culturally sensitive, patient-centered care for the diverse communities he serves.

Areas of Expertise

• Inflammatory Bowel Disease (Crohn's Disease, Ulcerative Colitis)
• Chronic Liver Disease (Fatty Liver / MASLD / NAFLD, Hepatitis B, Hepatitis C, Cirrhosis)
• Celiac Disease
• Colon Cancer Screening and Prevention
• Reflux Disease (GERD) and Motility Disorders
• Barrett's Esophagus
• Advanced Endoscopy (Colonoscopy, EGD, Capsule Endoscopy, Polypectomy)
• FibroScan Liver Assessment
• Restech pH Testing
• Smart Pill Motility Testing
• Capsule Endoscopy
• SIBO Testing and Treatment
• Hemorrhoid Banding
• Dysphagia and Swallowing Disorders