Dr. Naomi Parrella
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2026 WHNO
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Women's Health
Bio:
Dr. Naomi Parrella is a dual board-certified family and obesity medicine physician, widely known as the weight loss doctor who helps people understand why weight loss gets harder over time, and what actually works long term.
She serves as Chief Medical Officer at Zero Longevity Science, a digital health platform serving over one million people each month, and is the Founder of Classic Care MD. She also holds an adjunct faculty appointment at Rush University Medical Center, where she advances clinical care, education, and innovation in lifestyle and metabolic medicine.
Dr. Parrella has spent more than a decade translating health science into real-world impact, from launching and scaling multi-site lifestyle and weight management clinics within major academic health systems, to supporting high-performance organizations such as United Airlines in moments where resilience, clarity, and wellbeing truly matter.
Known for bridging rigorous science with compassion and practicality, her work helps individuals and systems move beyond quick fixes toward sustainable, whole-person health, translating complexity into strategies people can actually use.
