Heather Thomas


Nurse Practitioner: Heather Thomas earned her BSN from Immaculate university and her MSN from Jefferson University. For 6 years she worked as an RN at Paoli hospital with experience in trauma/ medical surgical, cardiology orthopedics, and urology. She then went on to work in primary care for 3 years. She has a passion to help others feel like their best self. She has had a personal struggle with weight since childhood, so can relate to others that would like to make the change in achieving optimal wellness and prevent obesity complications. She also loves spending time with her family, dog , exercising and cooking.

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Marcella Best


Certified Medical Assistant: Marcella is a Pennsylvania native. She has a background in multiple sports from golf, track and field, tennis, and fencing. Her mother always made sure to introduce her to the world of opportunities that existed outside of the community she grew up in, which led her to be where she is today. She has always had a love of caring for others which drove her to work in the medical field. Because of this, one of her goals is to one day own her own medical practice. When she is not lending a hand in helping others she enjoys being surrounded by friends and family including her beautiful children. She also enjoys exploring, traveling the world, and working towards her goal of building her businesses.

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Luz Candice Colon

Office Manager

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Fatoumata Loua


Certified Medical Assistant

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Terry-Ann Levy-Brown


Terry is a board-certified Nurse Practitioner who is qualified to practice Family Medicine. She earned her master’s degree in nursing from LaSalle University, PA. She has since had the privilege to work in the field of Geriatrics, Urgent Care, and Weight Management. One of the most rewarding works of her career was working as a Humanitarian Nurse Practitioner in the resettlement of Afghan refugees. “My passion for Nursing is to provide education to people and teach them about maintaining a balance for optimal health. My aim is to focus on wellness and a healthy lifestyle.” When Terry is not working, she enjoys going to church, spending time with her family, cooking, shopping, and traveling.

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Adil Shakir


Adil Shakir, M.D, FAAFP, CAQ (Geriatrics), Board Certified in family medicine and geriatrics. He is an experienced physician with more than 15 years of clinical practice in various settings including outpatient, hospital medicine, sub-acute care, long-term care, and home visits. He currently works full-time as a medical director with Aetna CVS and as a per Diem hospitalist with Jefferson Health. He is also a medical director for Icna relief shams clinic, a nonprofit volunteer clinic located in west Philadelphia. Adil lives in west Philly suburb with his wife and three children. His hobbies include playing music, tennis, hiking, and nature activities.

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Tim Polizzi

Chief Operating Officer: Tim grew up in the Philadelphia area and currently lives in West Chester. He graduated from Villanova University in 2000 and received his MBA from St. Joseph's University in 2010. Prior to opening the Medi-Weightloss clinic, he has worked in IT, Marketing, and Sales roles in various industries, most recently with SafeStudents Online (social media safety). His passion is helping people achieve their healthy goals and making sure every patient has a wonderful experience every time they come to Medi-Weightloss. When he's not working, he enjoys golf, bowling, snowboarding, and spending time with his wife, Amy, and four amazing kids.

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