Anesthesiology Team
Our team consists of experienced anesthesiologists certified by the American Board of Anesthesiology. All of our anesthesiologists are doctors of medicine who have completed four years of medical school and an additional four years of residency training in anesthesiology. We have vast experience and exposure to oncologic anesthesia, which ensures that you are provided with the best anesthetic care possible.

Sarkis Baltayian, M.D., anesthesiologist | City of Hope near Los Angeles, California.

Evelyn J. Bonilla, M.D., is an associate clinical professor in the Department of Anesthesiology at City of Hope, in Duarte, California.

Walter Chang, M.D. is a board-certified anesthesiologist who strives to provide the highest quality, evidence-based, and compassionate care for all patients.

As a cancer survivor, Ana Chu, M.D., knows firsthand the value of the empathetic, whole-person care City of Hope is known for. Her personal journey, combined with over three decades of experience in anesthesiology and pain management, gives her a unique perspective as a researcher and cancer expert

Sahaz Ghaffari, M.D., is an associate clinical professor and anesthesiologist in the Department of Anesthesiology at City of Hope.

Russell Gray, M.D., is an associate clinical professor in the Department of Anesthesiology and medical director of the Preanesthesia Assessment and Testing Clinic.

P. Grace Harrell, M.D., M.P.H., is an associate clinical professor, Department of Anesthesiology.

Yung Ray Jow, M.D., is a clinical professor in the Department of Anesthesiology, City of Hope, Duarte.

In her specialty as a pediatric anesthesiologist, Sarah Kwon Yip, M.D., enjoys the hands-on nature of her work and the chance to focus on each individual patient during a surgical case.
Michael W. Lew, M.D., is a clinical professor in the Department of Anesthesiology at City of Hope, focusing his research on patient outcomes after surgery and anesthetic implications in minimally invasive surgery.

Dr. Li is an associate clinical professor in the Department of Anesthesiology at City of Hope in Southern California.

Payel MacKie-Mason, M.D., advocates for children and their families, putting empathy first in her interactions with patients and placing great value on the opportunity to comfort them during a time of great stress.

Gian Nhan, M.D., areas of expertise include acute pain management — including methods for blocking nerve signals from entire regions of the body — as well as anesthetic techniques for vascular, cardiothoracic, pediatric, obstetric, and orthopedic surgeries.
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Chanwang (Channing) Park, M.D., unique professional expertise lies in both data-driven science and compassionate concern for patients who are anxious about their cancer treatments.

John Raytis, M.D., is an anesthesiologist and associate clinical professor in the Department of Anesthesiology.

Michael Sullivan, M.D., is associate clinical professor and chair of the Department of Anesthesiology at City of Hope in Southern California.

Tracie Tran, M.D. an assistant clinical professor of anesthesiology, providing patients at City of Hope® Cancer Center Duarte with exceptional clinical care, ensuring their cancer treatment journeys are as comfortable and stress-free as possible.

Steven Tu, M.D., anesthesiologist and associate clinical professor, Department of Anesthesiology.

The approach to care of Qi Yang, D.O., is to treat patients as though they are her own family members and work with each one to develop a plan that meets their individual needs.