Hayat Mousa is a Pediatric Gastroenterologist and a Gastroenterologist in San Diego, California. Dr. Mousa is highly rated in 9 conditions, according to our data. Her top areas of expertise are Gastroesophageal Reflux in Infants, Gastroesophageal Reflux Disease (GERD), Gastroparesis, Gastrostomy, and Sacral Nerve Stimulation.