Our experienced, dedicated dietitians meet with all patients enrolled in the Bariatric and Metabolic Weight Loss Center’s programs, providing individualized nutritional assessments and counseling. Nutrition services are available not only for patients interested in weight loss procedures, but also for those interested in medical weight loss options. Our dietitians provide education regarding dietary guidelines, when nutritional supplements are needed, and will offer suggestions for behavioral changes for healthy weight loss habits.

Kathryn Cottell Photo Kathryn (Kate) Cottell, MS, RDN, CDN, CDE is a registered dietitian for the Bariatric and Metabolic Weight Loss Center at Stony Brook Medicine. She develops, implements and evaluates nutrition interventions and policies for the program. Kate works with patients before and after surgery, and with patients seeking medical weight loss options, extensively educating them about all the nutritional aspects involved. She also provides pre-operative and post-operative group nutrition classes. She is actively involved in research and collaborates with team members on projects evaluating interventions for obesity and is also involved in clinical training of dietetic interns.

Kate received her Bachelor and Master of Science degrees from the University of Rhode Island in Nutrition and Dietetics, and Nutrition and Food Services, respectively. Her graduate work focused on reducing coronary heart disease risk factors in overweight and obese older adults, specifically focusing on relationships between diet quality, blood lipids and lipoproteins. Kate has completed advanced training in diabetes management and is a Certified Diabetes Educator.


Megan Bennett, RD, is a registered dietitian for the Bariatric and Metabolic Weight Loss Center at Stony Brook Medicine. Megan received her Bachelor of Science degree in culinary nutrition from Johnson & Wales University in Providence, RI. She then went on to complete her dietetic internship at Stony Brook Medicine. She has several years of experience working in bariatrics including in private practice. She brings great enthusiasm about nutrition whether leading group classes or providing one-on-one counseling to clients regarding weight loss, meal planning, disease prevention and management and nutrition education. Megan works with patients pre-operatively and post-operatively, and educates them extensively on all nutritional aspects involved.