Rheumatology

Faculty & Staff

Meet Our Rheumatology Team

UCLA Rheumatology is home to one of the largest academic rheumatology programs in the country, with more than 40 dedicated physicians across Los Angeles, San Luis Obispo, Santa Barbara, and Ventura Counties.

Our team combines leading-edge research with compassionate patient care, ensuring that every patient receives expert guidance. Use the links below to explore our faculty by practice location and learn more about each provider’s expertise and focus areas.

Westwood
Santa Monica
Beverly Hills
Burbank
Downtown LA
Encino
Pasadena
Porter Ranch
San Luis Obispo
Santa Barbara
Santa Clarita
Simi Valley
Torrance
Ventura
Veterans Affairs
Westlake Village
Emeritus Professors
Administrative Staff

Westwood

Thanda Aung, MD, MS
Thanda Aung, MD, MS
Rheumatology
Sangmee Bae, MD
Sangmee Bae, MD
Rheumatology
Ernest Brahn, MD
Ernest Brahn, MD
Rheumatology
Heather E. Bukiri, MD
Heather E. Bukiri, MD
Rheumatology
Christina Charles-Schoeman, MD
Christina Charles-Schoeman, MD
Rheumatology
John D. Fitzgerald, MD, PhD, MBA
John D. Fitzgerald, MD, PhD, MBA
Rheumatology
Headshot of Samuel Good, MD, wearing a white coat against a blue background.
Samuel Good, MD
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Alan H. Gorn, MD
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Jennifer M. Grossman, MD
Rheumatology
Suzanne Kafaja, MD
Suzanne Kafaja, MD
Rheumatology
Marian Kaldas, MD
Marian Kaldas, MD
Rheumatology
Yaqoot Khan, DO
Yaqoot Khan, DO
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Jennifer K. King, MD, PhD
Rheumatology
Maureen A. McMahon, MD
Maureen A. McMahon, MD
Rheumatology
Sravani Penumarty, MD
Sravani Penumarty, MD
Rheumatology
Veena K. Ranganath, MD, MS
Veena K. Ranganath, MD, MS
Rheumatology
Amir A. Razmjou, MD, MS
Amir A. Razmjou, MD, MS
Rheumatology
Ram R. Singh, MD
Ram R. Singh, MD
Rheumatology
Mihaela B. Taylor, MD
Mihaela B. Taylor, MD
Rheumatology
Elizabeth R. Volkmann, MD, MS
Elizabeth R. Volkmann, MD, MS
Rheumatology
Gloria Yiu, MD, PhD
Gloria Yiu, MD, PhD
Rheumatology
Headshot of Arissa Young, MD, in a white lab coat against a blue background.
Arissa Young, MD
Rheumatology

Santa Monica

Kristal S. Choi, MD
Kristal S. Choi, MD
Rheumatology
Tanaz A. Kermani, MD
Tanaz A. Kermani, MD
Rheumatology
Veena K. Ranganath, MD, MS
Veena K. Ranganath, MD, MS
Rheumatology
Neha C. Singh, DO
Neha C. Singh, DO
Rheumatology
Benedict K. Tiong, MD
Benedict K. Tiong, MD
Rheumatology
Linh Y. Truong, MD
Linh Y. Truong, MD
Rheumatology
Howard H. Yang, MD
Howard H. Yang, MD
Rheumatology

Beverly Hills

Andy T. Nguyen, MD
Andy T. Nguyen, MD
Rheumatology

Burbank

Chesca C. Barrios, MD
Chesca C. Barrios, MD
Rheumatology
Eric Liu, MD, MPH
Eric Liu, MD, MPH
Rheumatology
Rania M. Shammas, MD
Rania M. Shammas, MD
Rheumatology
Amy Trang, MD
Amy Trang, MD
Rheumatology

Downtown LA

Thanda Aung, MD, MS
Thanda Aung, MD, MS
Rheumatology
Chen Xie, MD
Chen Xie, MD
Rheumatology

Encino

William J. Martin, MD
William J. Martin, MD
Rheumatology
Lisa Zhu, MD
Lisa Zhu, MD
Rheumatology

Pasadena

Eric Liu, MD, MPH
Eric Liu, MD, MPH
Rheumatology
Amy Trang, MD
Amy Trang, MD
Rheumatology

Porter Ranch

Tamara G. Dahhan, DO
Tamara G. Dahhan, DO
Rheumatology
Courtney A. O'Brien, DO
Courtney A. O'Brien, DO
Rheumatology

San Luis Obispo

Deepa Ragesh Panikkath, MD
Deepa Ragesh Panikkath, MD
Rheumatology

Santa Barbara/Montecito

Kathleen Kolstad, MD, PhD
Kathleen Kolstad, MD, PhD
Rheumatology

Santa Clarita

Ramandeep Bains, MD
Ramandeep Bains, MD
Rheumatology
Geraldine M. Navarro, MD
Geraldine M. Navarro, MD
Rheumatology

Simi Valley

Courtney A. O'Brien, DO
Courtney A. O'Brien, DO
Rheumatology

Torrance

Karla M. Criner, MD
Karla M. Criner, MD
Rheumatology
Marian Kaldas, MD
Marian Kaldas, MD
Rheumatology
Maryann Kimoto, DO
Maryann Kimoto, DO
Rheumatology

Ventura

Artem Minalyan, MD
Artem Minalyan, MD
Rheumatology
Travis P. Welsh, MD
Travis P. Welsh, MD
Rheumatology

Veterans Affairs (Greater Los Angeles)

Chesca C. Barrios, MD
Chesca C. Barrios, MD
Rheumatology
John D. Fitzgerald, MD, PhD, MBA
John D. Fitzgerald, MD, PhD, MBA
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Jennifer K. King, MD, PhD
Rheumatology
Amir A. Razmjou, MD, MS
Amir A. Razmjou, MD, MS
Rheumatology
Travis P. Welsh, MD
Travis P. Welsh, MD
Rheumatology
Chen Xie, MD
Chen Xie, MD
Rheumatology
Lisa Zhu, MD
Lisa Zhu, MD
Rheumatology

Westlake Village

Mark E. Hall, MD
Mark E. Hall, MD
Rheumatology
Artem Minalyan, MD
Artem Minalyan, MD
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Olga N. Popel, MD
Rheumatology

Emeritus Professors

Profile image of Pojen Chen, MD
Pojen Chen, MD
Rheumatology
Dr. Furst
Daniel E. Furst, MD
Rheumatology
UCLA Health logo on a sand-colored background with a circular sun rising in the right corner.
Bevra Hahn, MD
Rheumatology
An illustrated silhouette.
Betty Tsao, MD
Rheumatology
An illustrated silhouette.
David T. Yu, MD
Rheumatology

Administrative Staff

Headshot of Kimberly Vigil.
Kimberly Vigil
MSO
Headshot of Carrole Johnson.
Carrole Johnson
Administrative Officer
Headshot of Estefania Ramos.
Estefania Ramos
Academic HR Analyst
Headshot of Troy Thiratalerngkiat.
Troy Thiratalerngkiat
Administrative Officer
Headshot of Gabriel Valdivia.
Gabriel Valdivia
Fellowship Coordinator