Nutrition & Dietitians
New York, NY
Tribeca Nutrition PLLC is a group nutrition practice in NYC specializing in eating disorder recovery and performance nutrition for dancers and athletes. Founded and operated by Rebecca Alcosser, RD, CEDS, CDN, the practice brings together three registered dietitians (Rebecca, Christina Chagaris, RD, and Sarah Liao, MS, RD) who use evidence-based, weight-inclusive approaches rooted in intuitive eating and Health at Every Size philosophy. The team provides individualized nutrition counseling to support healing relationships with food, mental health, and performance optimization without restriction—drawing on extensive clinical experience in eating disorder treatment at multiple levels of care.
Ideal for: People in eating disorder recovery, Dancers and athletes needing performance nutrition, Anyone seeking a compassionate, non-diet nutrition approach, Individuals with food anxiety or disordered eating patterns
Service area: New York City, NY
Specialized Eating Disorder Expertise: All dietitians are trained in eating disorder recovery with experience at PHP/IOP levels of care. Rebecca holds the CEDS credential and has worked at Barnard College's eating disorder team; Christina and Sarah both bring extensive ED treatment backgrounds.
Performance Nutrition for Dancers & Athletes: Rebecca leads nutrition at American Ballet Theatre's Jacqueline Kennedy Onassis School; Christina trained at Joffrey Ballet and worked with Division I athletes. Both understand the unique demands and pressures dancers and athletes face.
Trauma-Informed, Non-Diet Philosophy: The practice uses weight-inclusive, HAES-aligned approaches that prioritize mental health, body trust, and sustainable eating habits over restriction—treating the whole person, not just food behaviors.
Address: 100 Church St Suite 815 & 816, New York, NY 10007
Phone: (347) 722-1340
Website: tribecanutrition.nyc
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