Dr. John Koo, MD

Dr. Siegrid S. Yu, MD is a highly skilled dermatologic surgeon specializing in Mohs micrographic surgery and surgical reconstruction for skin cancer. With expertise in laser surgery, Botox injections, soft tissue fillers, and treatments for visible leg veins, Dr. Yu offers comprehensive care for patients seeking rejuvenation of aging skin and cosmetic treatment of Asian skin. She is also actively involved in research on skin cancers, including Merkel cell carcinoma, and skin cancer in immunosuppressed patients. Dr. Yu completed her medical degree at the University of Washington and went on to complete residencies in internal medicine and dermatology at Stanford Medicine and UCSF, respectively. She also completed a fellowship in Mohs surgery and procedural dermatology at UCSF. Dr. Yu is a member of several prestigious medical organizations, including the American Society of Dermatologic Surgery and the American Academy of Dermatology. She currently serves as the director of UCSF's fellowship program in procedural dermatology.Generated from the website

Dr. Cristina Brickman, MD is an infectious disease specialist based in San Francisco, CA. With a focus on evaluating and treating anal cancer, Dr. Brickman's research centers around HPV infection and its connection to cancer, particularly in patients with HIV. She is dedicated to identifying risk factors associated with the progression of abnormal cells to invasive cancer and optimizing screening practices, with a special interest in high-risk populations of both the very young and old. Dr. Brickman received her medical degree from Columbia University and completed her residency in internal medicine at New York Presbyterian Columbia University Medical Center. She then pursued a fellowship in infectious diseases at the Hospital of the University of Pennsylvania, followed by a master's degree in clinical epidemiology at the University of Pennsylvania. With a compassionate and patient-centered approach, Dr. Brickman is highly regarded by her patients for her expertise, attentiveness, and dedication to providing exceptional care.Generated from the website

UCSF Health is internationally renowned for providing patients with specialized and innovative medical care. We support our community's health with hospitals and clinics in San Francisco as well as a regional network of clinics and outpatient centers. Consistently ranked among the nation's best hospitals, UCSF is particularly recognized for excellence in neurology and neurosurgery; cancer care; heart care; diabetes; ear, nose and throat care; and psychiatry and psychology, among other services. We are part of the University of California, San Francisco, one of the nation’s top universities for health sciences research and higher education.