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Hematology & Oncology Specialist

Dr. Merrill Shum is a board-certified medical oncologist and hematologist who specializes in the treatment of cancer and blood disorders. Prior to moving, he was the senior partner and senior medical director at The Oncology Institute who helped develop the value-based oncology model that led to the company going public in 2021 on Nasdaq.  


Dr. Shum has over 20 years of experience in the field of oncology, and he has a deep understanding of the latest cancer treatments and clinical trials. He has conducted over 350 Clinical trials as a principal investigator and sub-investigator and has helped to obtain several FDA drug approvals. He is a compassionate and dedicated physician who is committed to providing his patients with the best possible care.
Dr. Shum received his medical degree from the Universidad Autonoma de Guadalajara in Mexico. He completed his Fifth Pathway Program from New York Medical College. He completed his residency in internal medicine at UMDNJ- RWJMS at Cooper University Hospital in Camden, New Jersey. He then completed his fellowship in hematology and medical oncology at the MD Anderson Cancer Center at Cooper. Dr. Shum is a member of the American Society of Clinical Oncology, the American Society of Hematology, and the American College of Physicians. He was an adjunct clinical assistant professor at the Temple University Medical School in Philadelphia, PA and a clinical instructor at Western University of Health Sciences in Pomona, CA.
Dr. Shum is a highly respected oncologist who has been recognized for his clinical excellence and his commitment to patient care. He has received numerous awards, including the Arthur P. Gold Foundation Excellence in Humanism and Teaching Award, the Golden Apple Teaching Award, and the Teaching Resident of the Year Award. He has 27 publications in leading medical journals, including the Proceedings American Journal of Clinical Oncology, Blood, Advance Experimental Medical Biology, Journal of Thoracic Oncology, Annals of Oncology, Hematology Transfusion and Cell Therapy, British Journal of Haematology, Cancer Research, American Journal of Medicine, Cerebrovascular Disease and Breast Cancer Research and Treatment. He received the Rising Star award and Super Doctors award from the Los Angeles Magazine annually since 2013. He was selected Top Doctor by California Magazine in 2021.
If you are facing a cancer diagnosis, Dr. Merrill Shum is a compassionate and experienced oncologist who can provide you with the best possible care. He is a skilled clinician who is up-to-date with digital technology and precision medicine. He is also a dedicated advocate for his patients, and he will work with you to develop a personalized treatment plan that meets your individual needs.

Address: 16315 Whittier Blvd unit 103 104, Whittier, CA 90603, USA
About us
Welcome to the Cancer and Blood Specialty Clinic (CBSC), a leading provider of comprehensive care for cancers and other blood disorders. Our team of highly trained and experienced hematologists and oncologists is dedicated to providing our patients with the best possible care, using the latest advances in medicine and technology.

3851 Katella Avenue, Los Alamitos, CA, USA


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