Marianna L. Sisk, D.O.
Member of Orlando Health Medical Group Member of Orlando Health Medical Group

Marianna L. Sisk, DO - Family Medicine

Orlando Health Physician Associates - Oviedo West - Family Medicine

Address: 7408 Red Bug Lake Rd.
Oviedo, FL 32765

Call: (407) 381-7387

Fax: (407) 636-7824

Office Hours:

Monday, Tuesday & Thursday: 8:00 am – 4:45 pm
Wednesday: 9:00 am - 4:45 pm
Friday: 8:00 am – 12:00 pm


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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 has obtained her board certification by the American Academy of Obesity Medicine. Born in Brazil, Dr. Sisk 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.

Board Certifications

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Academic Information

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Medical Education

A.T. Still University of Health Sciences


St. Vincent's Medical Center


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