Dr. Marianna Sisk, DO is a board certified family physician, earning her Doctor of Osteopathic Medicine degree from A. T. Still University - School of Osteopathic Medicine in Arizona. She completed her residency in family medicine at St. Vincent’s Medical Center in Jacksonville, Florida. During her residency training, she cultivated her passion for Obesity Medicine and Clinical Nutrition, and she is currently seeking a board certification by the American Academy of Obesity Medicine. Originally born in Brazil, she is fluent in Portuguese and proficient in Spanish. In her spare time, she enjoys doing nature photography, swimming, playing tennis and going to the beach with her husband.


West Orange Physicians Group

A multi-specialty family of physicians committed to delivering the finest healthcare to our West Orange community.

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