Weight Loss & Diabetes Center

Our Team



The Weight Loss & Diabetes Center is staffed with experienced specialists working together to help people improve their health and better manage obesity, diabetes and a range of other conditions.

The Center’s team collaborates with Greenwich Hospital physicians in other departments, including Bariatrics, The Sleep CenterCardiology and Orthopedics. The Center's staff is also a resource for primary care physicians seeking ways to help patients better manage issues related to weight and diabetes.
 
Core team members include: 

Yi-Hao Yu, MD, PhD, medical director, endocrinologist
A board-certified endocrinologist, Dr. Yu evaluates and treats weight-related medical and nutrition problems, diabetes, thyroid problems, metabolic bone diseases, and a variety of hormonal disorders. Dr. Yu accepts most insurance plans.  More »
Dr. Yu received his master’s and doctorate degrees from New York University School of Medicine. He completed his residency in internal medicine and fellowship in endocrinology both at Columbia University. His prior professional and academic experiences include medical research and serving as Director of Adult Specialized Nutrition Service at Columbia Presbyterian Hospital, Medical Director for BMS, teaching faculty at Easton Hospital in Wilson, Pa. and Clinical Associate Professor of Drexel University College of Medicine. He is a widely published author in the field of endocrinology and metabolism. Dr. Yu has been Fellow of the American College of Endocrinology since 2005.


Joshua I. Hrabosky, PsyD, clinical psychologist
Dr. Hrabosky’s clinical specialty is weight management and issues related to body image and self-esteem. His additional areas of interest and expertise are in cognitive-behavioral therapy, bariatric surgery, depression, and anxiety.  More »
He received his BA in Psychology from Quinnipiac University and his PsyD in Clinical Psychology from the Virginia Consortium Program in Clinical Psychology. Dr. Hrabosky completed a three-year fellowship at Yale University School of Medicine before joining the staff of Rhode Island Hospital in Providence, R.I., where he specialized in pre- and post-bariatric surgery weight-loss counseling. Dr. Hrabosky has published many peer-reviewed articles and presented at numerous scientific conferences on topics including body image, eating disorders, bariatric surgery, and obesity.


Jennifer Denkin, PhD, clinical psychologist
Dr. Jennifer Denkin is a trained health psychologist with specialties in weight management, emotional eating and bariatric surgery. Her additional areas of expertise include anxiety, self-esteem, women's issues and chronic medical conditions. More »
She received her BA in Psychology from the University of Minnesota and her Ph.D. from the Pacific Graduate School of Psychology in Palo Alto, CA. Dr. Denkin completed her postdoctoral residency at Kaiser Permanente in Sacramento, CA, staying on as a staff psychologist, where she specialized in Behavioral Medicine and pre-surgical evaluations for bariatric surgery. In her clinical practice, Dr. Denkin focuses on the mind-body connection and improving overall wellness by increasing coping skills and modifying maladaptive thoughts and behaviors.


Ranee Angeli R. Lleva, MD, endocrinologist
Dr. Lleva is board certified in Internal Medicine, as well as Endocrinology, Diabetes, and Metabolism. She evaluates and manages patients with diabetes, obesity, thyroid disorders, thyroid cancer, metabolic bone disease, pituitary and adrenal issues, and other endocrine conditions. She participates with most insurance plans. More »
Dr. Lleva received her BS in Biology, cum laude, and M.D. from the University of the Philippines. She completed her internship and residency in Internal Medicine at Westchester Medical Center/New York Medical College. She then proceeded to obtain her fellowship in Endocrinology at Yale University. She has published several articles in peer-reviewed journals regarding pituitary adenomas, inpatient management of hyperglycemia, and outpatient management of diabetes. Dr. Lleva has also presented findings of her various research at scientific conferences of the American Diabetes Association and American Association of Clinical Endocrinologists.


Judith Goldberg-Berman, MD, PhD, endocrinologist
A board-certified endocrinologist, Dr. Goldberg-Berman cares for patients with a wide variety of endocrine disorders including thyroid, osteoporosis, diabetes, pituitary, adrenal, and both male and female hormonal imbalances.  More »
Dr. Goldberg-Berman received her B.S. from Cornell University and her M.S. and Ph.D. in Nutrition from Columbia University. Her research focused on obesity, brown adipose tissue, and thermogenesis. She received her M.D. from Weill Cornell Medical College. While a medical student she pursued research in the area of thyroid metabolism and obesity. She completed her residency in internal medicine at New York University and her fellowship in Endocrinology at Weill Cornell Medical Center and Memorial Sloan Kettering Cancer Center with research in the molecular genetics of obesity at Rockefeller University. Dr. Goldberg-Berman established her endocrinology practice in Greenwich in 1994, and serves as Chief of the Division of Endocrinology at Greenwich Hospital.


Erica Christ, RD, CDE, registered dietitian and certified diabetes educator
A registered dietitian and certified diabetes educator at Greenwich Hospital, Erica Christ focuses on weight management, sports nutrition, and lipid management through behavior modification. She is certified as a health and fitness instructor from the American College of Sports Medicine.  More »
Erica received her undergraduate degree in Communications from Boston University and her Masters in Science dual degree in Applied Physiology and Nutrition at Teachers College, Columbia University, where she also completed her Dietetic Internship. Erica has advanced certification as Health and Fitness Instructor from the American College of Sports Medicine, is a certified spin and pilates instructor and received her certificates of Training in Adult and Adolescent Weight Management from the American Dietetic Association. 


Nancy Ryan, RD, CDE, BC-ADM, registered dietitian and certified diabetes educator
Board-certified in advanced diabetes management, Nancy Ryan provides diabetes self-management education, along with support and prevention information for those at risk of developing diabetes. A certified insulin pump trainer, Ryan runs Greenwich Hospital’s Diabetes Support Group (see Calendar, search “diabetes”).  More »
She received her undergraduate and graduate degrees in Nutritional Science from the University of Connecticut. Following a Dietitic Internship at Yale-New Haven Hospital, she worked as Research Dietitian at the Yale-New Haven Hospital Clinical Research Center. She has been a consultant for numerous departments of health in Fairfield County, designing and teaching community-based health and wellness programs. At Greenwich Hospital, she has coordinated inpatient diabetes education, coordinated professional staff diabetes education, managed the point-of-care glucose meter program and spearheaded efforts to achieve American Diabetes Association Education Program recognition for Greenwich Hospital and the Weight Loss & Diabetes Center.


Meredith Sobel, MS, RD, CDN registered dietitian
Meredith Sobel is a registered dietitian with specialties in diabetes and weight management, eating disorders, bariatric surgery, and gastrointestinal diseases. In addition to her background in nutrition science, Meredith enjoys cooking and teaching culinary classes, always giving her clients tips on cooking and shopping for fresh, whole and local foods.  More »
Meredith received her B.A. in religion and biology from Barnard College, as well as a Master of Science in Health Policy and Management from the Harvard School of Public Health and a Master of Science in Nutrition Education from Teachers College, Columbia University.


Richard Becker, MS.Ed, RCEP, CDE, certified diabetes educator and exercise physiologist
A registered clinical exercise physiologist and certified diabetes educator, Richard Becker is the coordinator of the Diabetes Self-Management Program at the Weight Loss and Diabetes Center. Richard specializes in providing practical Diabetic education in topics such as self-care, medications, diet, exercise, and micro/macrovascular diseases.  More »
Richard received his undergraduate degree in exercise physiology research from Cortland State University, and his Masters of Science in Education from Queens College in Exercise Physiology/Cardiac Rehabilitation. Richard is also the coordinator of care for the Pulmonary Rehabilitation Program at Greenwich Hospital. He has lectured locally at universities, public schools, corporations, hospitals, and has been heard on public radio during Medical Spotlight shows.

 

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