About Advanced Medical Center

Comprehensive, compassionate healthcare serving individuals and families throughout Port Orange, Daytona Beach, and the surrounding Florida communities.

Ammar Hemaidan, MD

Associate Professor of Medicine, Florida State University

Chief and President of the Medical Staff, Halifax Medical Center

Dr. Hemaidan specializes in gastroenterology, hepatology, and internal medicine. He is licensed in the state of Florida and has been practicing medicine for more than 23 years.

A graduate of Aleppo University School of Medicine, Dr. Hemaidan completed his medical training at the University of Texas, Indiana University Medical Center, and St. Helen’s Hospital in Hastings, England.

Dr. Hemaidan serves as Chairman of the Department of Medicine at Halifax Medical Center and Director of the Gastroenterology Department for Florida Health Care Plans. His awards and recognitions include the FMA Distinguished Physician Certificate, multiple listings among “America’s Top Physicians,” the “Top 100 Doctors in America” National Leadership Award, and the AMA Physician’s Recognition Award.

He also serves as Medical Director of Advanced Medical Research Center.

Zachary Neubert, DO, FACP

Clinical Assistant Professor of Medicine, Florida State University

Dr. Neubert is a board-certified physician specializing in gastroenterology and internal medicine. He brings extensive knowledge and experience from 11 years of active-duty service as a physician in the United States Army.

He completed his internal medicine residency at Madigan Army Medical Center in Tacoma, Washington, followed by a gastroenterology fellowship at Naval Medical Center San Diego in San Diego, California. He later served as Chief of Gastroenterology Services at Tripler Army Medical Center.

Dr. Neubert is a member of the American College of Gastroenterology and a Fellow of the American College of Physicians. A native of New Smyrna Beach, he is proud to be back home serving his local community.

Dr. Cantave

Internal Medicine

McGill University, Montreal

Halifax Medical Center

After earning a bachelor’s degree in biochemistry from McGill University in Montreal, Canada, Dr. Cantave attended Universidad Iberoamericana (UNIBE) in the Dominican Republic to pursue a career in medicine. He graduated from medical school with honors before moving to Miami, Florida, where he completed his internal medicine residency at Aventura Hospital.


Dr. Cantave then completed a one-year fellowship in geriatric medicine at the University of Miami, Miami VA Medical Center, and Jackson Memorial Hospital. He later returned to Aventura Hospital to complete a three-year fellowship in gastroenterology.


As a member of Advanced Gastroenterology Institute and Halifax Health, Dr. Cantave is proud to work with organizations committed to patient-focused care and serving individuals throughout the region. He is a strong advocate for patient autonomy and a patient-centered approach. Dr. Cantave works collaboratively with each patient to develop an individualized healthcare plan that supports a happy and healthy life.

Eyad M. Swaity, MD

Gastroenterology • Hepatology • Endoscopy • Internal Medicine

Dr. Swaity holds certifications from the American Board of Internal Medicine (ABIM), the National Board of Physicians and Surgeons (NBPAS), and the Royal College of Physicians of the United Kingdom through the MRCP Specialty Certificate in Gastroenterology. He is also certified by the Jordanian Board in both internal medicine and gastroenterology.

Dr. Swaity brings extensive international experience to his practice. He completed his internal medicine residency at NYU-affiliated Woodhull Medical Center in Brooklyn, New York, followed by a fellowship in gastroenterology and hepatology at Jordan University Hospital. He also has a strong clinical background in advanced diagnostic and therapeutic endoscopic procedures.

Before joining Halifax Medical Center and the Advanced Gastroenterology Center team, Dr. Swaity served as a consultant in gastroenterology, hepatology, and internal medicine. He also served as an Assistant Professor of Medicine at the University of Jordan.

Dr. Swaity is committed to providing high-quality, patient-centered care guided by evidence-based practices and the latest advancements in digestive health.