Meet Our Oncologists / Hematologists
Dedicated Physicians, Providing The Best Possible Cancer Care
Chief Of Medical Oncology
A. Eli Gabayan, M.D. (Afshin Eli Gabayan, MD)
Medical Director of Beverly Hills Cancer Center
Assistant Clinical Professor - UCLA David Geffen School of Medicine
Dedicated to providing the best available therapies to his patients, Los Angeles oncologist Dr. A. Eli Gabayan (Afshin Eli Gabayan) has remained avidly involved in multiple cancer research studies and clinical trials throughout a career that began at the prestigious University of Southern California (USC) School of Medicine. He is an Assistant Clinical Professor at the UCLA David Geffen School of Medicine.
Dr. Gabayan completed his internship and residency at University of California, Los Angeles (UCLA) where he also served as Chief Resident. He received his Oncology and Hematology training at Cedars-Sinai Medical Center, where he remained as an attending physician in private practice with expertise in the areas of gastrointestinal, lung, breast cancers and multiple myeloma.
Dr. Eli Gabayan tirelessly strives for the best and most current treatments medical science can offer to his patients and their families. This passion for knowledge and education led to Dr. Gabayan's post as an assistant clinical professor at the esteemed David Geffen School of Medicine at UCLA. Firmly committed to the community, Dr. Gabayan maintains strong local ties through his frequent lectures on a wide variety of oncology and hematology topics, and is considered a top Los Angeles hematologist.
At the heart of Dr. Gabayan's practice is a passionate advocacy for the advancement of medical research for all cancer patients coupled with a vigilant dedication to making the latest therapy and treatment options available to his own patients. Known not only as one of the best medical hematologists and oncologists Los Angeles has to offer, but is additionally known as among the best in the world. Dr. Gabayan believes that knowledge is power and communication is essential to good patient care. As the Chief of Medical Oncology at the Beverly Hills Cancer Center, Dr. A. Eli Gabayan has made it a personal goal to deliver compassionate, yet state of the art care in a healing environment.
Dr. Eli was "Peer Selected" 2018 Super Doctor in Southern California.
Linnea I. Chap, M.D.
Hematology/Oncology (Women's Oncology)
Director of Breast Cancer and Women’s Oncology at Beverly Hills Cancer Center
Clinical Associate Professor - UCLA School of Medicine
Linnea Chap, MD is a highly respected specialist in breast cancer and gynecologic malignancies and is annually listed as one of "America's Top Doctors for Cancer." She received her B.S. in Chemistry from the University of Illinois and graduated Summa Cum Laude with High Honors. She subsequently received her medical degree from the University of Chicago, Pritzker School of Medicine.
Dr. Chap completed residency in internal medicine at Northwestern Memorial Hospital and fellowships in both hematology and oncology at the UCLA Medical Center.
After her fellowship, she joined the UCLA faculty where she was promoted to Associate Professor of Medicine and was the co-director of the UCLA/Revlon Multidisciplinary Breast Clinic.
Top Los Angeles hematologist Dr. Chap has numerous publications to her credit in highly regarded peer review journals. She has been a leader in the treatment and research of breast and gynecological malignancies and has led several breast and ovarian cancer treatment protocols, including the pioneering use of novel biologic agents such as Herceptin and Avastin.
As among the best medical oncologists and hematologists Los Angeles offers, Dr. Chap has received several prestigious awards throughout her career. In 2001, she was named one of "America's Top Breast Cancer Doctors" by Redbook, a national women's magazine. Annually, she is listed as one of "America's Top Doctors for Cancer." Recognized for her teaching and speaking skills, Dr. Chap is frequently called upon to relate the most recent advances in breast cancer treatment. In addition to her active involvement with clinical trials and research, she is well-versed in the areas of risk reduction and genetic testing.
U.S. News Media Group recently announced "U.S. News Top Doctors." A highly respected specialist in breast cancer and gynecologic malignancies, Dr. Linnea Chap is listed in this prestigious directory and considered among the top 1% of doctors in the country. Dr. Chap was also listed in Los Angeles Magazine for over a decade, as a Top Doctor in Los Angeles. She has also been selected to Southern California Super Doctors annually, since 2007, as among the best oncologists Los Angeles has to offer.
David Berz, M.D., Ph.D, MPH
Assistant Professor, Department of Cellular Therapeutics
David Berz, MD, PhD, MPH is triple Board Certified in Internal Medicine, Hematology and Oncology. His areas of specialty include lung malignancies, melanoma, cancer immune-therapy and personalized oncology therapeutics, and he serves as a national thought leader in these areas. Dr. Berz has key oncology publications in major journals across the United States and Europe and continues to lead many of the latest research and investigational trials. He also previously served as Assistant Professor and scientist at the City of Hope, where he ran a thriving oncology research laboratory.
Born and raised in Germany, Dr. Berz earned his B.S. in Chemistry from Johann Wolfgang von Goethe Universitaet, Frankfurt and his M.D./Ph.D. from the Humboldt University, Berlin. He completed his internship and residency in Internal Medicine at Yale-affiliated Norwalk Hospital in Connecticut and his fellowship in Hematology and Oncology at Brown University. He is a member of the Melanoma Research Society, the American Society of Clinical Oncology and the American Society of Hematology. He is fluent in Spanish, German, French, Russian and Hebrew.
As a top Los Angeles cancer doctor, he always strives to meet his patients’ needs with compassion and respect. At the Beverly Hills Cancer Center, Dr. Berz is pleased to be able to offer his patients treatment regimens customized to each person’s tumor biology on a molecular level with access to many of the latest and highly sought after clinical trials. Dr. Berz does not just treat a condition, but he treats the whole person.
Dr. Michael Castro, M.D.
Oncology/ Hematology/ Internal Medicine
Dr. Michael Castro is a board-certified medical oncologist with more than 25-year experience in direct patient care, clinical research, and program development.
His key interests include immunotherapy of cancer and precision medicine, i.e. the use of genomic testing and biomarkers to develop more effective and less toxic treatments for cancer patients.
He provides care for a wide spectrum of solid tumor malignancies, including breast and GYN, GI, GU, endocrine, thoracic, CNS, and mesenchymal neoplasms, and also hematologic malignancies including the lymphomas, leukemias, myelodysplasia, and myeloma. He has authored more than 3 dozen abstracts and papers.
Dr. Castro obtained his medical education at Columbia University in NY, then completed an internal medicine residency at St. Luke’s-Roosevelt Hospital Center, and fellowship in neoplastic diseases at Mt. Sinai Medical Center. Since then, he received additional post-graduate training at MD Anderson Cancer Center in the administration of high dose interleukin-2 (IL2).
Dr. Castro has been recognized as one of the Top Doctors in America by US News and World Report since 2011, and during a 4-year stretch in private practice in Honolulu, he was recognized as one of Hawaii’s Top Doctors by Honolulu magazine. He has been a recipient of the Extra Mile Award from the To Life Breast Cancer Support Group.
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