Meet our Clinical Team

Florencia Halperin, MD

Florencia Halperin, MD

Chief Medical Officer

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.

Michelle Cao, MD

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.

 Chowdhury Ferdous, MD

Chowdhury Ferdous, MD

Dr. Chowdhury S Ferdous completed residency in Internal Medicine at Louisiana State University Health Science Center. She then completed a specialized fellowship at Geisinger Medical Center to become an Obesity Medicine specialist, and is a diplomate of the American Board of Obesity Medicine. Her philosophy is that obesity is a complex disease and requires a multi-modal approach, including an expert support team. She believes in positive thinking, healthy nutrition, practicing mindfulness and relieving everyday stress by techniques such as meditation. She also believes in advanced, cutting-edge pharmacotherapy when obesity seems to have become resistant to lifestyle changes.

Kirsten Frederiksen, MD 

Kirsten Frederiksen, MD 

Director of Clinical Operations

Dr. Frederiksen completed her clinical training at the University of Rochester and the University of Colorado. She has a Masters degree from the Harvard Chan School of Public Health.Before joining Form Health, she practiced Internal Medicine for over twenty years and started  two successful medical weight management programs. She is a diplomate of the American  Board of Obesity Medicine. She believes strongly in providing patients with an individualized  approach to weight loss, along with a great patient experience.

Priya P. Joshi, MD

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.

Nam Kim, MD

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.

Lauren Lemieux, MD

Lauren Lemieux, MD

Dr. Lauren Lemieux completed her Internal Medicine residency and fellowship in Clinical Nutrition at UCLA. She is board certified in Internal Medicine, Obesity Medicine, and as a Physician Nutrition Specialist. She is also a fellow of the American College of Physicians. Dr. Lemieux is passionate about helping her patients reach their health goals using personalized nutrition, lifestyle and weight management strategies.

Elizabeth Lowden, MD

Elizabeth Lowden, MD

Dr. Lowden is an endocrinologist who completed her clinical training at Northwestern University in Chicago, IL. She is dual-board certified in Endocrinology, Diabetes, and Metabolism as well as Internal Medicine. She is also a diplomate of the American Board of Obesity Medicine. Dr. Lowden supports individualized care while considering all facets of a patient's lifestyle and health. She is passionate about helping patients achieve their health goals and improve metabolic diseases.

Maria Maldonado, MD

Maria Maldonado, MD

Dr. Maldonado completed her clinical training at New York Presbyterian/Cornell Medical Center.  She is board certified in Internal Medicine and a diplomate of the American Board of Obesity Medicine.  She is also a Certified Health and Wellness Coach and is passionate about partnering with people in their journey toward their desired lifestyle and health goals.

Sharlene K. Selvaratnam, MD

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.

Angela Simpson, MD

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

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.

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Try Form Health today

Get started to see how your Form Health clinical team will create a personalized plan to fit your lifestyle and help you achieve your weight loss goals. We want to help you be successful and find the right fit. If you decide that Form Health isn't right for you after 30 days, we'll refund your monthly program fee.