Marc Schiffman, M.D.

Dr. Hadley Brighton is an assistant professor of clinical pediatrics at Weill Cornell Medicine and an assistant pediatric attending at NewYork-Presbyterian Komansky Children’s Hospital at Weill Cornell Medical Center and NewYork-Presbyterian/Lower Manhattan Hospital. Prior to joining Weill Cornell Medicine as faculty, she completed her Pediatric Hospital Medicine fellowship at the bi-campus program at NewYork-Presbyterian Columbia and Cornell Universities. After earning a B.A. in Spanish with a pre-medical concentration from the College of the Holy Cross in Worcester, Massachusetts, Dr. Brighton received a Masters in medical sciences from Boston University. She went on to get her MD from Geisinger Commonwealth School of Medicine in Scranton, Pennsylvania and then completed her pediatric residency training at NewYork-Presbyterian Hospital/Weill Cornell Medical Center. Dr. Brighton is board certified in Pediatrics and is a Fellow of the American Academy of Pediatrics (AAP). Her research focus has been on provider communication and the intersection of language and health with a goal of increasing equity for families with a primary language other than English. Dr. Brighton is fluent in English and Spanish.

Dr. Andrew Tassler serves as Associate Professor in the Department of Otolaryngology - Head and Neck Surgery at Weill Cornell Medicine. Dr. Tassler’s expertise lies in the diagnosis and treatment of benign and malignant tumors of the head and neck, including salivary glands, thyroid and parathyroid, tongue, lips and oral cavity, larynx, pharynx, sinuses, skull base and skin.Dr. Tassler was born and raised in Washington, DC. He attended Amherst College and graduated magna cum laude with a degree in Political Science. He then received his medical degree from Georgetown University School of Medicine. He completed an internship in General Surgery at New York Hospital/Weill Cornell Medical Center followed by residency in Otolaryngology – Head and Neck Surgery at Georgetown University Hospital. While at Georgetown, he received the Hugh O. DeFries Award for Lifetime Learning. After residency, Dr. Tassler completed a fellowship in Advanced Oncologic Head and Neck Surgery and Endoscopic Skull Base Surgery at the University of Pittsburgh. Prior to joining the faculty at Weill Cornell, Dr. Tassler practiced for five years at Montefiore Medical Center where he was Assistant Professor of Otorhinolaryngology at Albert Einstein College of Medicine. Dr. Tassler has been awarded for resident teaching at both Montefiore and Weill Cornell Medical Center. He has been selected as a Castle Connolly Top Doctor every year since 2017 and a New York Super Doctor every year since 2022.Dr. Tassler is a member of the American Academy of Otolaryngology - Head and Neck Surgery, the American Head and Neck Society, the New York Head and Neck Society, and the North American Skull Base Society. He is also an active fellow of the American College of Surgeons.Dr. Tassler has a particular interest in minimally invasive techniques in head and neck surgery including transoral laser (TLM) and robotic surgery (TORS) as well as endoscopic skull base surgery but practices the full scope of head and neck surgery. Paient Feedback:"My experience with Dr. Tassler last week Thursday was excellent as usual. Dr. Tassler saved my life. Plain and simple. He performed surgery on me Dec 19th 2017 and I’m alive today as a result of his skill set. I look forward to seeing him again. He has my absolute confidence!" Contacted by John Batson

Dr. Kenny Castro is an Assistant Professor of Clinical Pediatrics at Weill Cornell Medicine and an Assistant Attending Pediatrician at New York-Presbyterian/Brooklyn Methodist Hospital. She is board certified in Pediatrics. Dr. Castro obtained her medical degree (M.D.) from the Central University of Venezuela. After receiving her M.D., she worked as a community doctor in her home country, Venezuela, providing medical care to low-income and minority populations. Seeking further expertise, she immigrated to the United States and pursued her medical training at Lincoln Medical Center, completing a three-year residency in pediatrics. Following that, she accomplished a three-year fellowship in pediatric gastroenterology at SUNY Downstate Health Sciences University, where she was also inducted as a member of the Alpha Omega Alpha Honor Medical Society. During her fellowship training, Dr. Castro actively engaged in various research projects, focusing on clinical research and quality improvement. She contributed to studies exploring the public health impact of the COVID-19 pandemic on Inflammatory Bowel Disease presentation in pediatric patients in the New York City area and enhancing patient experience during colonoscopy procedures. Dr. Castro is fluent in English and Spanish, and her clinical interests include abdominal pain, constipation, inflammatory bowel disease, gastroesophageal reflux, eosinophilic esophagitis, eosinophilic gastrointestinal disease, celiac disease, poor weight gain, obesity, nausea, and vomiting.