After completing his fellowship in gastroenterology and hepatology at the University of Texas Health Science Center/MD Anderson Cancer Center, Dr. Etzkorn completed an advanced fellowship in hepato-biliary medicine at the University of Illinois Hospital where he trained in advanced therapeutic procedures and the management of liver transplant patients.

Dr. George Nassar, M.D. is board certified in internal medicine and gastroenterology. Dr. Nassar graduated from the Universite Libanaise, Beirut in 1997 and finished his residency at Staten Island University Hospital, New York and fellowship at SUNY Downstate Brooklyn, New York in 2006. He has been practicing medicine for over 17 years.

In addition to general gastroenterology, Dr. Nassar’s main clinical focus is on advanced and interventional endoscopy, including diagnosing and treating pancreaticobiliary diseases and gastrointestinal malignancies.

Dr. Elhajj received his internal medicine degree from Staten Island University Hospital in Staten Island, New York, and completed his gastroenterology fellowship at SUNY Downstate Medical Center, Brooklyn, New York. Dr Elhajj joined our practice in 2008.

Dr. Juan Munoz is a gastroenterologist. He received his medical degree from Complutense University of Madrid and has been in practice for over 12 years. 

Dr. Munoz is board certified in gastroenterology and has special interest and expertise in the treatment and care of the following digestive health concerns: acid reflux disease (gastroesophageal reflux / GERD), constipation, hepatitis c, irritable bowel syndrome (IBS), ulcerative colitis and others. Dr. Munoz provides advanced endoscopy procedures, esophageal and hemorrhoidal banding.

Dr. Misra was the class valedictorian in his high school and in college got the highest marks in chemistry and biology. He obtained his Bachelor of Medicine and Bachelor of Surgery degree from Gandhi Medical College in Hyderabad, India. He graduated First Class in all 13 subjects. Inspired by his elder brother, he came to the US and completed his internship, residency in internal medicine and fellowship in Gastroenterology at the Nassau University Medical Center, State University of New York at Stonybrook.

My name is Dr. Linda Ann Di Teodoro. I am from Staten Island, New York with a strong Italian American heritage.

Rafael A. Cortés, M.D. is board-certified in gastroenterology and internal medicine. Dr. Cortés has a deep understanding of the gastrointestinal illnesses that affect patients and how to help them cope with their gastrointestinal diseases. He is fluent in English, Italian and Spanish.

Dr. Corregidor joins us after completing her transplant/hepatology fellowship at the MAYO Clinic in Jacksonville. In addition to her special training in liver diseases, Ana completed a fellowship in gastroenterology at the University of Florida. She has a special interest in pre and post liver transplant evaluation and management. Dr. Corregidor is the medical director of Borland Groover's Liver Center, and is active in several clinical trials investigating new drugs in the treatment of Hepatitis C and B and other liver diseases. In addition, Dr.

Born and raised in Ohio, Dr. Kevin Comar is a Florida transplant. Dr. Comar completed his residency and fellowship training in gastroenterology at the Virginia Commonwealth University in Richmond, Virginia. He is a former recipient of the Robert Byrd Award for academic excellence and was awarded the Resident Scholar Award for two consecutive years at the Medical College of Virginia.

Dr. Robert Aportela is a pathologist that specializes in GI Pathology.  He was born in Matanzas, Cuba and earned his medical degree at the Autonomous University of Guadalajara in Mexico.  He has 39 years of experience.  He is also triple board-certified in anatomical and clinical pathology (laboratory medicine), and in the subspecialty of cytopathology, with special training in the field of cytopathology.  He has vast expertise in GI pathology, after more than 30 years of reviewing GI cases with over 150,000 biopsies interpreted.  Dr.