Dr. Margaret Maher, PhD, MS, CDN

Catalyst Health Psychology, LLC

Contact Details

Catalyst Health Psychology, LLC
55 Post Rd W
Fl 2
Westport, CT
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Work: (203) 557-8007


Dr. Maher is licensed in the fields of clinical psychology and nutrition in NY, CT, and FL (telehealth).  She currently owns a private practice in Westport, CT.   She has over 20 years of experience treating eating and weight disorders in adolescents and adults.   She has expertise in the areas of Binge-Eating Disorder,  Bulimia Nervosa, Obesity, OSFED, Atypical Anorexia, Eating Disorders in Athletes. She also specializes in the treatment of co-occurring mood disorders, physical illness, and sports injury.

Dr. Maher has extensive training in the fields of Eating Disorders and Obesity.  Prior to obtaining  a doctorate in Clinical Health Psychology from Yeshiva University in 2002,  she earned a master’s degree in Nutrition from Columbia University where she studied behavioral weight loss and eating disorders for several years.   She was an Instructor in Eating Disorders at Massachusetts General Hospital and a Fellow in Weight and Eating Disorders at Harvard Medical School from 2002-2004.   She has directed clinical research on restrictive dieting at Columbia University, as well as addiction research at Memorial Sloan-Kettering Cancer Center, where she received awards for her doctoral research with cancer patients.  She is a  published author in scholarly psychology and nutrition journals.  She is listed in the U.S. Olympic and Paralympic Committee Mental Health Registry as recognition of her work with elite athletes.

Dr. Maher provides effective,  highly tailored care for each client and family.  She incorporates the most recent, evidence-based therapies from the dual disciplines of psychology and nutrition to create a unique, successful treatment plan for every client.


  • Dietetics/Nutrition
  • Psychology

Age of Patients Seen

  • 13+

Accepting New Patients

  • Yes

Types of ED

  • AN
  • BED
  • BN