Sheena Sam, NP

Salma Valle, MSN, FNP-BC, is a board-certified Family Nurse Practitioner. In 2013, she received her Bachelor of Science degree in nursing from Hampton University. In 2023, she earned her a Master of Science degree in nursing from Long Island University. In 2024, she joined the Weill Cornell Center for Sleep Medicine. She has an interest in a wide variety of sleep disorders including apnea, insomnia, restless leg syndrome, and circadian rhythm disorders. She is committed to serving her patients and developing long-lasting relationships built on respect and trust.

Dr. Tchang earned her medical degree from SUNY Downstate Medical Center. Dr. Tchang graduated with her BA from University of Chicago and was a NIH T32 trainee. She completed her residency at NewYork-Presbyterian/Weill Cornell , Endocrinology Diabetes & Metabolism Fellowship at NewYork-Presbyterian/Columbia University Irving Medical Center, and Obesity Fellowship at NewYork-Presbyterian/Weill Cornell . Dr. Tchang is board certified in Internal Medicine, Obesity Medicine, and Endocrinology, Diabetes & Metabolism.

Dr. Robbyn Sockolow is Vice Chair for Ambulatory Care Services - Access and Strategy, Chief of the Division of Pediatric Gastroenterology, Hepatology and Nutrition, and Professor of Clinical Pediatrics at Weill Cornell Medicine, and Attending Pediatrician at NewYork-Presbyterian Phyllis and David Komansky Children's Hospital at Weill Cornell Medical Center. She is board certified in pediatrics and pediatric gastroenterology and is also a certified Physician Nutrition Specialist. She has been selected for New York Magazine's Top Doctors, Castle Connelly's America's Top Doctors, and as a New York "Super Doctor."A pioneer in making capsule endoscopy more user-friendly for children with her "jellybean test," Dr. Sockolow's clinical interests include inflammatory bowel disease (IBD) (Crohn's and ulcerative colitis), celiac disease, capsule endoscopy, gastroesophageal reflux disease, and GI disease related to Autism Spectrum Disorders. After receiving two B.A.s at Emory College in Atlanta, Georgia, Dr. Sockolow completed her medical degree (M.D.) at New York Medical College. She continued her medical training at Montefiore Medical Center in New York City, where she completed her residency in Pediatrics. She followed this with the completion of two fellowships in pediatric gastroenterology at Mount Sinai Hospital (New York City) and Montefiore.Dr. Sockolow in the News: WCM Newsroom: Immune Cells Heal the Intestine by Controlling Iron (4/14/2020)WCM Newsroom: Pitch Perfect: Successful treatment for Crohn's Disease let a young New Yorker fulfill her Broadway dreams (12/13/17)Staten Island Live: Broadway actress from Staten Island honored at Midland Beach Crohn's Walk (6/28/17)Dr. Sockolow Videos & PodcastsWeill Cornell Medicine Kids Health Cast Podcast: COVID-19 & Pediatric IBD - Special Guidance for Families NYP-YouTube: Dr. Sockolow on Capsule Endoscopy in Pediatric Patients