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Clinical Nurse III
Advancing Excellence in Bedside Practice
Clinical Nurse III nurses are highly skilled, experienced clinicians who deliver compassionate, evidence-based care to patients and families across UCLA Health. They uphold the highest standards of professional nursing practice—advancing ethical decision-making, quality improvement, and interdisciplinary collaboration at the bedside.
As role models of clinical excellence, Clinical Nurse III nurses actively contribute to improving outcomes, strengthening unit-based practice, and supporting a culture of safety and integrity. Their leadership, clinical judgment, and commitment to patient-centered care make them essential partners in elevating the overall quality and consistency of nursing practice throughout the health system.
Leading with clinical expertise to deliver safe, exceptional patient care.
Nursing Practice Roles
Julie Semper, MSN, RN, CNS
Specialty: Diabetes Education & Counseling
Hospital Affiliation: Ronald Reagan UCLA Medical Center
Thanuttha (Tak) Tiensawang, MSN, RN, CNS, GNP, CWON-AP
Specialty: Wound Ostomy Continence Nursing
Hospital Affiliation: Health System
Specialty Areas
Diabetic Services
Adriana (Natalie) Esparza
Specialty: Diabetes Education and Counseling
Hospital Affiliation: UCLA Santa Monica Medical Center
Katherine S. Lu, RN, CDCES
Specialty: Diabetes Education and Counseling
Hospital Affiliation: Ronald Reagan UCLA Medical Center
Enteral/Parenteral Care
Alisa Lund
Specialty: Enteral/Parenteral
Hospital Affiliation: Health System
Wound Ostomy [Enterostomal Care]
Alejendra Barrera, BSN, RN, CWON
Specialty: Wound Ostomy Continence Nursing
Hospital Affiliation: Ronald Reagan UCLA Medical Center
Criselda Beliba-Paz, MSN, RN, CWON
Specialty: Wound Ostomy Continence Nursing
Hospital Affiliation: Ronald Reagan UCLA Medical Center
Sara L. Huang
Specialty: Wound Ostomy Continence Nursing
Hospital Affiliation: Ronald Reagan UCLA Medical Center