Meet Our Faculty

Our faculty comprises the largest team of board-certified geriatric specialists in Orange County, combining exceptional clinical skills, research acumen and cutting-edge innovations to train the next generation of geriatric healthcare providers while caring for our patients and building age-friendly healthcare systems and communities.

Michelle Abueg, MD
Michelle Abueg, MD

Assistant Professor — Division of Geriatric Medicine & Gerontology, Family Medicine
Elham Arghami, MD
Elham Arghami, MD

Assistant Professor — Division of Geriatric Medicine and Gerontology, Family Medicine
Edna E. Biddy, MD
Edna E. Biddy, MD

Assistant Professor — Division of Geriatric Medicine and Gerontology, Family Medicine
Katherine M. De Azambuja, MD
Katherine M. De Azambuja, MD

Assistant Professor — Division of Geriatric Medicine and Gerontology, Family Medicine
Lisa M. Gibbs, MD
Lisa M. Gibbs, MD

Chief, Division of Geriatrics and Gerontology, Department of Family Medicine

Professor, Department of Family Medicine
Katayoun Khalighi, MD
Katayoun Khalighi, MD

Assistant Professor — Division of Geriatric Medicine and Gerontology, Family Medicine
Chinh Duy Le, MD
Chinh Duy Le, MD

Professor — Division of General Internal Medicine & Primary Care, Medicine

Professor — Division of Geriatric Medicine and Gerontology, Family Medicine
K A Manisha Samithri Perera, MD
K A Manisha Samithri Perera, MD

Assistant Professor — Division of General Internal Medicine & Primary Care, Medicine

Assistant Professor — Division of Geriatric Medicine and Gerontology, Family Medicine