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

  • Dr. Caroline K. Messer

    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.

  • Dr. Barrie Weinstein

    Dr. Barrie Weinstein

    Dr. Barrie Weinstein is a double board-certified endocrinologist with over 20 years of experience providing advanced care for metabolic health.

  • Dr. Jess Kovler

    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.

  • 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.

  • Dr. Aaron Grotas

    Dr. Aaron Grotas is a board-certified adult and pediatric urologist helping optimize fertility and sexual health.

  • 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.

  • Dr. Andrew Moawad

    Dr. Andrew Moawad is a board-certified internist and board eligible clinical informatician with experience using healthcare technology and data.

  • Shelly Im

    Dr. Shelly Im

    Dr. Shelly Im is a board-certified endocrinologist with over 20 years of experience serving communities in Westchester with medical compassion.

  • Dr. Rupal Chhabra

    Dr. Rupal Chhabra is a double-board certified internist and obesity/weight management specialist with more than 15 years of experience.

  • Dr. Alyssa Dweck

    Dr. Alyssa Dweck is a certified obstetrician/gynecologist and author focusing on gynecology, menopause and sexual health.

  • Jean Hanks

    Jean Hanks

    Jean Hanks is a Registered Dietitian Nutritionist who specializes in utilizing Medical Nutrition Therapy to help patients manage metabolic issues.

  • Barrie Wolfe

    Barrie Wolfe is a Registered Dietitian Nutritionist with more than 25 years of experience serving our Well by Messer Greenwich location.

  • Dimitri Ehrlich

    Dimitri Ehrlich

    Dimitri Ehrlich is a fitness trainer, meditation instructor, martial arts expert and boxing coach with over 30 years of experience.

  • Geovanny Acevedo

    Geovanny Acevedo

    Geovanny “Geo” Acevedo is a fitness specialist with 10 years of experience and a particular focus on advanced metabolic training.

  • 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.

Book your appointment today and begin your journey towards metabolic success