John G. Stratidis, MD

Mr. Ludwin is a Family Nurse Practitioner (FNP) certified by The American Association of Nurse Practitioners (AANP). He received his clinical training from Pace University Lienhard School of Nursing and graduated with honors with both his RN and NP degrees. He also received a Bachelor of Science in Bioinformatics with honors from the University at Buffalo. He worked as a Hospitalist for 8 years before entering Pulmonology and served as an Internal Medicine clinical preceptor for the Marist College Physician assistant program for 3 years. He received two preceptor awards for Internal Medicine through the 2019-2022 academic years. Mr. Ludwin has a passion for collaborative care, teaching and the incorporation of technology into clinical medicine.

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

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.