Karen Tsai,

Board Certifications

• 2022, American Board of Internal Medicine- Endocrinology, Diabetes and Metabolism Certification
• 2020, American Board of Internal Medicine- Internal Medicine Certification

Degrees

• 2017, Doctor of Medicine, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY
• 2013, Bachelor of Arts, University of Southern California, Los Angeles, CA

Fellowships

• 2022, Endocrinology, Diabetes & Metabolism, University of California Los Angeles, Los Angeles, CA

Residencies

• 2020, Internal Medicine, University of Southern California, Los Angeles, CA

Professional Experience

• 2022-present, Assistant Clinical Professor, Department of Diabetes, Endocrinology & Metabolism, City of Hope, Duarte, CA
• 2022-present, Co-Chair of Inpatient Hyperglycemia Committee

Karen Tsai, M.D., is an endocrinologist who values collaboration and personalized care. At City of Hope^® Cancer Center Duarte, she collaborates with a multidisciplinary team to create individualized treatment plans that address unique patient needs — especially those facing rare or complex conditions. 

Dr. Tsai’s clinical and research interests center on onco-endocrinology, or endocrine diseases resulting from cancer immunotherapy. She specializes in thyroid disorders, with special interest in thyroid cancers, endocrine disorders from cancer immunotherapy and targeted therapy treatments, as well as diabetes. 

A Southern California native, Dr. Tsai earned her medical degree at the Renaissance School of Medicine at Stony Brook University in New York. She completed her internal medicine residency at the University of Southern California (USC) and her endocrinology fellowship at the University of California Los Angeles (UCLA). She also graduated magna cum laude and Phi Beta Kappa from USC with a bachelor's degree in biological sciences.