Tonia Leigh Kljajic Arnaiz, BSN, RN: A Leader in Nursing Excellence and Patient Care at Hoag Hospital


New York City, New York Jun 4, 2025 (Issuewire.com) - Hoag Hospital is proud to highlight the remarkable career of Tonia Leigh Kljajic Arnaiz, BSN, RN, an Administrative Nursing Supervisor whose dedication and expertise have significantly contributed to the quality of care provided at both Hoag Hospital in Newport Beach and Irvine, California. With over 25 years of diverse nursing experience, Tonia has demonstrated a profound commitment to patient care and nursing leadership.

After graduating with a Bachelor of Science in Nursing from the University of Alberta in 1997, Tonia launched her nursing career in March 1998 at the University of Alberta Hospital, where she worked as a Staff Nurse in the Cardiovascular Intensive Care Unit (CVICU). During her nearly two-year tenure, she developed critical care skills in a demanding environment, laying a strong foundation for her future roles.

In January 2000, Tonia expanded her horizons as a Travel ICU RN with Medical Express, traveling across various hospitals for over eight years. Her experience in different settings showcased her adaptability and deep knowledge of intensive care. Concurrently, Tonia worked as a Per Diem ICU RN at UCLA Medical Center from December 2006 to April 2008, gaining exposure in diverse areas including Operating Rooms, ICU, Burn Care Unit, and Recovery Room.

Her journey continued at UCI Medical Center, where she served in the ICU Float Pool from April 2008 to March 2009, before taking on roles with ATC Healthcare Services and 24-Hour Medical Staffing Services. In August 2015, Tonia briefly transitioned into aesthetic healthcare, working alongside renowned plastic surgeon Dr. Boris Ackerman before joining Hoag Hospital in November of the same year as an ICU Float Pool RN.

Her leadership abilities were recognized when she became the Relief House Supervisor (Nights) at Hoag from June 2016 to September 2018. Since then, Tonia has taken on the role of Administrative Nursing Supervisor, where she oversees hospital operations and maintains high standards of care across multiple departments.

With a career characterized by clinical excellence and patient-centered care, Tonia attributes her success to an open mind and the willingness to embrace new challenges. Her mantra is simple yet powerful: always strive to do your best and never shy away from trying new things. 

Tonia Leigh Kljajic Arnaizs journey exemplifies the essence of nursing leadership and dedication, making her an invaluable asset to Hoag Hospital and the communities it serves.

Learn More about Tonia Leigh Kljajic Arnaiz:

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Through her online profile, https://todaysnurse.org/nurse/4151339

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