Nuclear Medicine

Meet Our Team

Research Physicians

A headshot of Adrien Holzgreve, a man with short brown hair, smiling and wearing a white lab coat and a striped tie.

Adrien Holzgreve, MD

Position: Research MD

Role: Clinical Research

Jesus Juarez Casillas, MD

Jesus Juarez, MD

Position: Research MD

Role: Clinical Research

John Nikitas, MD

John Nikitas, MD

Position: Research MD

Role: Clinical Research

A headshot of Koichiro Kimura with dark, wavy hair, round glasses, and smiling, wearing a dark suit, light shirt, and striped tie.

Koichiro Kimura, MD

Position: Research MD

Role: Clinical Research

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Lena Unterrainer, MD

Position: Research MD

Role: Clinical Research

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Moradi Tuchayi, MD

Position: Research MD

Role: Clinical Research

Research Managers

Stephanie Lira in a black business dress

Stephanie Lira, BS

Position: Clinical Trials Program Manager

Role: Clinical Research and Administration Oversight

Office Phone: x60596

A headshot of Rejah Marie Nabong, a woman with long dark hair, smiling and wearing a dark blazer over a white top

Rejah Marie Nabong, MBA

Position: Clinical Research Manager

Role: Clinical Research Operations, Study Coordination, Therapy, & Diagnostic

Office Phone: x67372

Research Nurse

A headshot of Allison Bautista, a young woman with dark hair and a nose ring, smiling in a navy UCLA Health scrub top.

Allison Bautista, MPH, MSN, BSN, RN

Position: Research Nurse

Role: Therapy, Clinical, and Research Patients

Office Phone: x67372

Clinical Research Coordinators

kiara booker

Kiara Adame, BS

Position: Clinical Research Coordinator

Role: Study Coordination, Therapy, and Diagnostic

Office Phone: x67372

A professional photo of Maria Contreras, a woman with long dark hair, wearing a black zippered top over a white shirt, and an ID badge.

Maria Contreras, BS

Position: Clinical Research Coordinator

Role: Study Coordination, Therapy, and Diagnostic

Office Phone: x67372

Yuzin Gonzalez UCLA nuclear medicine research coordinator

Yuzin Arias Gonzalez, MPH

Position: Clinical Research Coordinator

Role: Study Coordination, Therapy, and Diagnostic

Office Phone: x67372

A professional headshot of Lela Theus, a smiling woman with long, straight dark hair, wearing a white long-sleeved shirt outdoors.

Lela Theus, BA

Position: Clinical Research Coordinator

Role: Study Coordination, Therapy, and Diagnostic

Office Phone: x67372

Staff Research Associates

Wesley Armstrong

Wesley Armstrong, BS

Position: Staff Research Associate

Role: Data Analysis and Data Entry

Andrew Nguyen

Andrew Nguyen, BS

Position: Staff Research Associate

Role: Data Analysis and Data Entry

Office Phone: x62466

Scheduler

Vanessa Pattilo in nuclear medicine grey jacket

Vanessa Pattillo

Position: Research Scheduler

Role: Schedule Appointments

Office Phone: x67372