Meet Our Clinicians


Florencia Halperin, MD


Dr. Halperin is an endocrinologist who completed her training at Harvard Medical School. Before joining Form, she was Co-Director of the Center for Weight Management and Metabolic Surgery at Brigham and Women’s Hospital. Dr. Halperin is passionate about helping people lose weight as a way to better their health. She has been selected as a Castle Connolly America's Top Doctor and Boston Magazine Top Doctor for several years, including 2020.

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Priya P. Joshi, MD

Dr. Priya P. Joshi completed her residency at Boston University Medical Center and is board certified in Internal Medicine. She pursued obesity medicine within her former primary care practice and is a diplomate of the American Board of Obesity Medicine. Dr. Joshi offers a personalized approach to weight management with a focus on improving one’s overall health while encouraging weight loss through lifestyle modification and medication.


Angela Simpson, MD

Dr. Simpson completed a combined Internal Medicine and Pediatrics residency at University of Rochester in New York, and practiced primary care for over fifteen years. She now exclusively works in the field of obesity medicine, individualizing treatment approaches to help patients achieve their health goals. She is a diplomate of the American Board of Obesity Medicine. She loves working with patients to help them reverse and prevent weight-related disorders.

Emily Smith, MD

Dr. Smith completed her clinical training at Northwestern University in Chicago, Illinois. She is board certified in Internal Medicine, Endocrinology, Diabetes, & Metabolism, and a diplomate of the American Board of Obesity Medicine. Dr. Smith helps patients with a variety of underlying medical conditions improve their health through weight loss and individualized, lifestyle modifications that assist in achieving sustainable results.

Sharlene K. Selvaratnam, MD

Dr. Selvaratnam completed her medical training and served as Chief Resident at the University of Massachusetts. She is board certified in Family Medicine, a diplomate of the American Board of Obesity Medicine, and has received advanced training in Cognitive Behavioral Therapy. Drawing from her expertise in all of these areas, Dr. Selvaratnam helps people transform their lifestyle and lose weight to improve their health and well-being.

Michelle Cao, MD

Dr. Michelle Cao completed her residency at the University of California, San Diego and her fellowship in Obesity Medicine at the University of Texas, Houston. She is board certified in Family Medicine and a diplomate of the American Board of Obesity Medicine. Dr. Cao emphasizes collaboration with patients in treating obesity to improve overall health.


Linda Anegawa, MD

Dr. Anegawa completed medical school at the University of Pennsylvania and residency at Stanford. She has extensive experience with weight loss and lifestyle medicine programs and is passionate about helping patients find solutions to treating metabolic disease. Dr. Anegawa is a diplomate of the American Board of Obesity Medicine and Certified by the American Board of Internal Medicine. She also serves on the Outreach Committee for the Obesity Medicine Association and is Assistant Professor of Medicine at UH School of Medicine, where she has earned many teaching awards.


Nam Kim, MD

Dr. Kim completed a combined military-civilian residency at Wright Patterson Air Force Base in Dayton, Ohio. He is board certified in Internal Medicine, a diplomate of the American Board of Obesity Medicine, and served 6 years active duty in the United States Air Force. Dr. Kim carries degrees in biochemical engineering and computer science. He believes that the right patient-centered tools and evidenced-based practices can best assist patients in their weight loss journeys.

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