Dr. David T. Harrison

Dr. Palchak has bachelor's and master's degrees in biology from UC Irvine. He received his doctorate in medicine from St. Louis University, did a residency in internal medicine at Cottage Hospital in Santa Barbara, then medical oncology fellowship at UC San Diego. He established an independent medical oncology practice in Arroyo Grande in 1994 and has practiced continuously in the south county since that date. He established the region's first cancer research program, first tumor board, first nonprofit to expand services for cancer patients in our community among many other firsts.Respect the patient's wishes and treat others as we wish to be treated. Dr. Palchak is rated as a Distinguished provider by MediFind in the treatment of Neuroendocrine Tumor. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, Anal Cancer, and Bone Marrow Aspiration.

Dr. Tom Spillane believes in an integrative approach to the management of his patients. His definition of an integrative approach combines the best of the updated western medicine technology, complementary care, clinical trials and local psychosocial support services.Dr. Spillane co-founded the Hearst Cancer Resource Center in 2008, as well as the Surfing for Hope Foundation  in 2011, a program that among other services takes cancer survivors and children whose parents are battling cancer, on monthly surf sessions.Board Certification:Oncology, HematologyMedical School:University of California, DavisMedical Oncology Residency:University of California, IrvineFellowship Training:University of California, IrvineAreas of Interest:Brain tumors, Breast Cancer, GI Cancers, Head and Neck Cancer, Lung Cancer, Melanoma. Dr. Spillane is rated as a Distinguished provider by MediFind in the treatment of Neuroendocrine Tumor. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Colorectal Cancer, and Lynch Syndrome.

Dr. Wei Bai grew up in Beijing, China. In 1995, she graduated from Peking University Health Science Center (previously known as Beijing Medical University) with distinction. She then pursued graduate study in the United States. Upon receiving her master’s degree in Molecular Medicine from the University of Massachusetts Medical School in 1998, Dr. Bai joined a leading biotech company, Genentech, Inc., in South San Francisco to pursue her passion in translational research. She participated in research and development of several cancer drugs, including trastuzumab (Herceptin), bevacizumab (Avastin), and erlotinib (Tarceva), among others in the company pipeline.Excited to bring bench research to bedside practice, Dr. Bai ultimately transitioned to direct patient care in 2005. She completed her Internal Medicine residency at NewYork-Presbyterian Lower Manhattan Hospital in 2008, which included several months of clinical rotation at Memorial loan Kettering Cancer Center (MSKCC). Dr. Bai’s experience at MSKCC further enforced her commitment to oncology research and practice. She proceeded to a combined Hematology and Medical Oncology fellowship at Lombardi Comprehensive Cancer Center of Georgetown University in Washington DC from 2008 to 2011.After her fellowship, Dr. Bai practiced hematology and medical oncology in the Samaritan Health System in Oregon. During her nine years with Samaritan, she treated patients with a wide range of cancer types and blood diseases. She served her patients with PRIDE — passion, respect, integrity, dedication and excellence. Dr. Bai was also active in clinical trials and resident education.Since 2020, Dr. Bai joined the team at Mission Hope Cancer Center. Compassionate and calm, she is devoted to each individual patient’s needs and goals. Dr. Bai is rated as an Advanced provider by MediFind in the treatment of Neuroendocrine Tumor. Her top areas of expertise are Deep Vein Thrombosis, Pleuropulmonary Blastoma, Familial Colorectal Cancer, and Hemochromatosis.