Dr. Jon Fisher, owner of Dr. Fisher's Medical Weight Loss & Aesthetic Centers, is a Board Certified Family Physician and a recognized authority on how to lose weight, lower cholesterol and body contouring in a medically supervised environment. He is a member of the American Society of Bariatric Physicians and has been helping Philadelphia residents, lose weight and feel great for over 22 years. In addition to being known as the Philly Diet Doctor, Dr. Jon Fisher and members of his Aesthetic Medicine team are fully trained and certified in multiple cosmetic procedures. He and his team operate out of 4 locations in the Delaware Valley Region serving patients in Philadelphia, Lower Merion in Montgomery County, Delaware County, Bucks County and South Jersey.

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Dr. Alexander Tarnopolsky (Dr. Alex) is a Board Certified Family Medicine Physician. He has extensive training in Obesity Management and Cosmetic procedures, He has been with Dr. Fisher's Medical Weight Loss & Aesthetics Centers since 2006. He cares for his patients and their struggles with obesity, with deep understanding and compassion.

Dr. Alex enjoys spending time with his family, and traveling.

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Abigail "Abby" Bulle is a Family Nurse Practitioner, Board Certified by the American Nurses' Credentialing Center (ANCC), and licensed by the State of Pennsylvania to provide family centered care to patients of all ages.

Abby received her Bachelor of Science in Nursing Degree from Widener University and completed her Master of Science in Nursing Degree from Drexel University. Since the commencement of her career Abby has accumulated nearly 15 years of nursing experience and education in various areas of patient care including, Surgical, Orthopedic, Cardio-Thoracic, Neurology, Ear/Nose and Throat as well as Primary Care.

Abby strives to provide the best healthcare possible and believes in building long lasting and trusting relationships with patients. Abby joined Dr Fisher's practice in 2009, where she continuously provides the support and guidance necessary to help our patients achieve and maintain a healthy lifestyle.

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Erin began her nursing career at Gwynedd-Mercy College, graduating in 1998 with her ASN and 2000 with her BSN. In 2004, Erin graduated from Temple University with her MSN as an adult primary care nurse practitioner. While in private practice, she worked in phase 3 clinical trials as both a sub-investigator and clinical coordinator. She coordinated studies ranging from women's issues such as endometriosis to primary care studies involving such medical issues as hypertension and hypercholesterolemia.

Erin was an adjunct nursing instructor at Drexel University for two years teaching first year and co-op students in the undergraduate program. Erin joined Dr.Jon Fisher's practice in June 2008. She believes in strong and trusting relationships with patients embarking on weight loss. In her spare time, she enjoys spending time with family and friends.

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Marina is a Family Nurse Practitioner who sees adults, teens and children for weight loss/weight gain. She speaks Italian and Spanish. Marina graduated from the University of Pennsylvania in 2001 and has been working in primary care since then.

She has also taught courses at Penn and conducted clinical research studies. She has a passion for preventive medicine, travel, hiking and Broadway musicals. Marina believes that a healthy weight is essential for physical and mental well-being and is looking forward to helping you achieve your weight management goal.

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In 1995 Regina graduated from Seton Hall University located in New Jersey with a BSN, and a minor in psychology.  Her first medical role was in Med/ Surg dialysis and the surgical ICU as a Registered Nurse. Regina then went on to further her nursing career at Drexel University,  Graduating with her degree as an Acute Care Nurse Practitioner with a Masters in Nursing.

Regina then worked at Jefferson Hospital in General and Bariatric Surgery and worked part time for Dr. Fisher's office from 2010-2012. With 3 young children at home, Regina was a busy stay at home mom from 2012-2016, returning as a CRNP to Dr. Fisher's office in 2016 to be part of his team.

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Leigh is our Nurse Injector. Graduating from St. Francis Medical Center in 1989 she brings to our practice more than 25 years of nursing experience. Leigh has over 29 years working as a  critical care nurse and 3 years’ experience in cosmetic/aesthetic care.

Leigh became Certified as a Cosmetic Nurse Injector from National Laser Institute in 2016. Through continued education, Leigh is now certified in laser skin treatments, neuromodulator and dermal filler injections, PDO threads,  microdermabrasion, micro needling, DermaPlane, chemical peels and eyelash extensions.  Leigh brings a new enthusiasm to help you on your aesthetic journey. Developing   a more youthful natural appearance utilizing a multi-faceted approach to help patients achieve and maintain their cosmetic goals is her passion!

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