Advanced Registered Nurse Practitioners & Physician Assistants at Total Orthopaedic Care

Sheila Rosemberg Hirshbein, ARNP-ANCC (FNP-BC)
Sheila Rosemberg Hirshbein is a Board Certified ARNP-ANCC, (FNP-BC) with an emphasis on providing exceptional care for patients of all ages with orthopaedic, neurological and/or rheumatological conditions. She has hospital privileges at Memorial Hospital West and Westside Regional Medical Center.
Sheila was born in Venezuela. She completed MD studies at the Universidad Central de Venezuela in Caracas and received a Master’s Degree in Public Health. After immigrating to the United States, she attended FIU in Miami - completing her Bachelor of Science Degree in Nursing (RN), and going on to graduate magna cum laude with Master of Science in Nursing Family Nurse Practitioner specialty.
Over the years, Sheila has participated in several community healthcare activities for diabetes, breast cancer, skin care prevention. She is a voluntary member in the Endocrinology Dept. at Cleveland Clinic-Weston and has volunteered in the Pediatric Intensive Care Unit at Memorial Hospital. She is an active participant in the Women’s International Zionist Organization (WIZO) and PTA volunteer at her daughter’s school.
She especially loves to travel and spend time with her family and friends.
Sheila is bilingual, communicating fluently in English and Spanish.

Mauricio A. Navas Nunez, ARNP-C
Mauricio A. Navas Nunez, ARNP-C prides himself on providing outstanding care for those suffering from orthopaedic conditions. Mauricio has been involved in healthcare for the last 17 years.
He received an MD degree in Venezuela in 2002, and practiced trauma and pediatric surgery there until immigrating to the United States. In the U.S., he initially became a certified first-surgical assistant and was engaged in that profession for more than ten years.
Wishing to have greater influence in patient care, Mauricio subsequently enrolled in the Florida International University Foreign Educated Physician (FEP) BSN/MSN Accelerated Program and graduated with a BSN, Summa Cum Laude, in 2018. In 2019, he earned his MSN, and went on to become a certified Advanced Registered Nurse Practitioner (ARNP).
Mauricio finds it very rewarding to collaborate with physicians to plan and implement treatment and provide compassionate care for patients of all ages. He is a proven leader, effective at uniting and guiding nursing teams toward achieving care goals and improved patient satisfaction in today’s challenging healthcare environment.
Mauricio lives with his wife and children, and when not in the office, enjoys spending time with his family and friends. He also volunteers at his child’s school PTA, the Teen Chapter at his church and The Women’s Breast and Heart Initiative. He also coaches for his local Little League Baseball teams.
He is fluent in English and Spanish.

Isaac Burdeinick, ARNP
Board-certified ARNP Isaac Burdeinick obtained a medical degree in Venezuela and began working in underserved communities as a general practitioner in 1997. In 2004, he changed his specialty to orthopedics and practiced orthopedic surgery in Venezuela and Spain until 2009. Following his work in the field of orthopedics, Isaac migrated to the United States.
In the US, Isaac began working at the University of Miami, Jackson Memorial Hospital teaching bedside procedures to residents. Moving his career in a different direction, he joined the HCA and Memorial Healthcare Systems as the first surgical assistant, a position he held for 9 years.
In 2018, seeking further involvement in direct patient care, Isaac pursued his RN degree, and in 2022, he graduated with honors as an advanced registered nurse practitioner (ARNP).
Isaac finds great satisfaction collaborating with the physicians and staff of Total Orthopaedic Care to provide exceptional care for orthopedic patients of all ages.
When not caring for patients, Isaac spends most of his time with his family and enjoys photography, scuba diving, and cycling.