Doctors & Practitioners
Well by Messer assembles a talented team of board-certified endocrinologists (adult and pediatric), internists, dermatologists, urologists, psychologists, nutritionists, and personal trainers—with one single objective: to ensure that you can regain your metabolic health. Whether you are coming for weight loss, menopause, or other hormonal issues, our top NYC weight loss specialists will be dedicated to supporting your success under the leadership of New York’s leading endocrinologist, Dr. Caroline K. Messer. Discover our approach to personalized care and treatments and book your appointment today.
Our Doctors & Practitioners
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Dr. Caroline K. Messer
Dr. Caroline Messer is a double-board certified endocrinologist and the founder of both Well by Messer and Fifth Avenue Endocrinology.
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Dr. Barrie Weinstein
Dr. Barrie Weinstein is a double board-certified endocrinologist with over 20 years of experience providing advanced care for metabolic health.
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Dr. Jess Kovler
Dr. Jess Kovler is an award-winning psychologist and educator and is considered one of New York’s experts in cognitive, behavioral, and dialectic therapies.
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Dr. Margaret Ryan
Dr. Meg Ryan has been working in private practice endocrinology since 2009. She joined Well by Messer in 2023 after relocating from Philadelphia.
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Dr. Aaron Grotas
Dr. Aaron Grotas is a board-certified adult and pediatric urologist helping optimize fertility and sexual health.
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Dr. Alexis Feuer
Dr. Alexis Feuer is a pediatric endocrinologist with more than 15 years of experience caring for children. She joined Well by Messer in 2024.
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Dr. Andrew Moawad
Dr. Andrew Moawad is a board-certified internist and board eligible clinical informatician with experience using healthcare technology and data.
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Dr. Shelly Im
Dr. Shelly Im is a board-certified endocrinologist with over 20 years of experience serving communities in Westchester with medical compassion.
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Dr. Rupal Chhabra
Dr. Rupal Chhabra is a double-board certified internist and obesity/weight management specialist with more than 15 years of experience.
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Dr. Alyssa Dweck
Dr. Alyssa Dweck is a certified obstetrician/gynecologist and author focusing on gynecology, menopause and sexual health.
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Dr. Julie Kolzet
Dr. Julie Kolzet is a psychologist specializing in health psychology and focusing on cognitive behavioral therapies at Well by Messer.
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Jean Hanks
Jean Hanks is a Registered Dietitian Nutritionist who specializes in utilizing Medical Nutrition Therapy to help patients manage metabolic issues.
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Barrie Wolfe
Barrie Wolfe is a Registered Dietitian Nutritionist with more than 25 years of experience serving our Well by Messer Greenwich location.
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Dimitri Ehrlich
Dimitri Ehrlich is a fitness trainer, meditation instructor, martial arts expert and boxing coach with over 30 years of experience.
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Geovanny Acevedo
Geovanny “Geo” Acevedo is a fitness specialist with 10 years of experience and a particular focus on advanced metabolic training.
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Nancy Wolk
Nancy Wolk is a Personal Development and Wellness Coach who utilizes the Core Energy Coaching Process to create a unique relationship with her clients.
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