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Meet Our World Class Doctors

With a broad range of specialties and backgrounds, our handpicked team of specialists are internationally recognized leaders in cancer diagnosis, advanced imaging, and treatment. We work together to provide the highest level of care. Our clinic offers a healing and supportive environment, where you will find a balanced and thorough scope of cancer diagnostics and treatment. The Beverly Hills Cancer Center in Los Angeles is proud to provide you with a team of among the best cancer doctors available worldwide.

Oncologist and Hematologis

Doctor smiling and looking into the camera

Eli Gabayan, MD(Afshin Eli Gabayan)

  • Hematology and Oncology
  • Medical Director, Beverly Hills Cancer Center 
  • Assistant Clinical Professor, UCLA David Geffen School of Medicine

Dedicated to providing the most effective therapies to his patients, Los Angeles oncologist Dr. A. Eli Gabayan (Afshin Eli Gabayan) continues to be engaged in multiple cancer research studies and clinical trials. His dedication to seeking newer, better treatments for cancer has continued 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.

Linnea I. Chap, MD,Director of Breast Cancerand Women’s Oncology

  • Hematology, Oncology, Women’s Oncology
  • 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 a 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.

David Berz, MD, PhD, MPH

  • Oncology and Hematology
  • Assistant Professor, Department of Cellular Therapeutics

David Berz, MD, PhD, MPH, is triple board-certified, with specialties in Internal Medicine, Hematology, and Oncology. His areas of specialization include lung malignancies, melanoma, cancer immune-therapy, and personalized oncology therapeutics, and he is a national thought leader in these areas.

Reasearcher and Author

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.

Dr. Michael Castro, MD

  • Neuro-oncologist
  • Medical hematology
  • Internal medicine

Dr. Castro is a neuro-oncologist and medical oncologist specializing in molecular oncology, precision medicine, and immunotherapy of cancer.

Clinical research and molecular profiling

He has extensive experience in direct patient care, clinical research, program development, and is an industry resource for molecular profiling expertise. His key focus is to develop a comprehensive molecular diagnosis to determine mechanism-based insights that lead to deactivating the malignant phenotype and overcoming treatment resistance. The goal is to develop an engineering-level understanding of individual patients’ cancer pathogenesis to inform what pathways are operative and must be taken down to achieve treatment success.

Dr. Kristin Dittmar, MD

Dr. Kristin Dittmar, MD is an expert in diagnostic oncologic imaging and an interventional oncologist. Her career has been built on cancer research from working at the NIH in image-guided drug delivery in squamous cell cancers to performing over 500 image-guided thermal ablations for the treatment of locoregional and oligometastatic disease.

Dr. Dittmar graduated from medical school at the University of South Florida and residence of the University of California at Los Angeles (UCLA). Her fellowship was in Abdominal Imaging and Intervention at UCLA. She began her career at the Methodist Hospital and Research Institute in Houston, TX. Then becoming the Section Chief of Body Interventional Radiology at the Ohio State University Comprehensive Cancer Center Arthur G. James Cancer Hospital and Richard J. Solove Research Institute. Her oncologic imaging expertise is noted as being a member of the National Comprehensive Cancer Network’s (NCCN) Imaging Panel Member from 2015-2019, an expert panelist at the NCI Radiology-Pathology Workshop as well as an Ad Hoc member of NIH study sections for RO1 grant funding. Dr. Dittmar has multiple peer-reviewed publications, is a faculty member at multiple national society meetings, is an invited lecturer internationally, and is also fluent in Korean.

Andrew Duy Pham, MD

Dr. Pham graduated Summa Cum Laude from the University of California, Riverside with a Bachelor of Science in Biochemistry.  He went on to receive his medical degree from the David Geffen School of Medicine at UCLA.  Following medical school, he completed his internal medicine residency at Scripps Mercy Hospital and fellowship in Hematology/Oncology at Scripps Clinic in San Diego, California.

Dr. Pham has experience in basic science research as well as a background in Clinical Research, Genomic Testing and Precision Medicine.  He has authored several publications and abstracts in the field of Malignant Hematology.  He provides care to patients with a wide variety of diseases, with a primary focus on Genitourinary and Gastrointestinal Malignancies.

Beverly Hills Cancer Center

Radiation Oncologists

Ari Gabayan, MD (Arash “Ari” Gabayan)

  • Radiation Oncology
  • Clinical Instructor, UCLA School of Medicine
  • “Top Doctors” for 2018-2021

An advocate for compassionate care who passionately pursues cutting edge research, Dr. Ari Gabayan offers his patients extensive medical knowledge. He attended the University of California, Los Angeles (UCLA) as a Neuroscience major. After receiving several prestigious awards and academic scholarships as an undergraduate, including the University of California Regents Scholarship, Dr. Gabayan graduated Summa Cum Laude and College Honors, with a B.S. in Neuroscience. He is a board-certified Los Angeles radiation oncologist.

Education and Background

Dr. Gabayan went on to pursue his medical degree from the UCLA renowned David Geffen School of Medicine. He continued his medical training with a medical internship at the University of California, San Francisco (UCSF), and a residency at the University of Arizona Department of Radiation Oncology, where he held the esteemed position of Chief Resident.

Armand, Bouzaglou, M.D., F.A.C.R.

Dr. Armand Bouzaglou is a Board-Certified Radiation Oncologist.  He is a Fellow of the American College of Radiology.  Dr. Bouzaglou specializes in brain and prostate tumors as well as in high dose rate implants.  He participates in NCI-sponsored protocols with RTOG, NSABP and SWOG.  He has published numerous articles in peer reviewed journals and textbooks.

Dr. Armand Bouzaglou is a graduate of the University of Illinois – Chicago campus.  He completed his internship in Internal Medicine in 1974 and followed this with a Residency in Radiation Oncology.  He spent an additional year as Chief Resident in Radiation Oncology at LAC-USC Medical School.  Dr. Bouzaglou also completed a Fellowship at the Institute Gustave Roussay (Villejuif) France on a study of Paris System of Dosimetry in Interstitial Implants.  Additionally, he participated in a study of Permanent Implants in Brain Tumors at the Hospital St. Anne in Paris.

Presently he is a Fellow of the American College of Radiology and Assistant Clinical Professor of Radiation Oncology at LAC/USC Medical Center.  He also serves on the Board of Directors for CHW, Southern California.

Dr. Bouzaglou has specialized in brain and prostate tumors the past 15 years.  In his close association with Dr. Peter Dyck, they have successfully treated 250 brain lesions with Iridium-192 and demonstrated a doubling in survival rates in patients with Glioblastoma Multiforme.

Dr. Bouzaglou has participated with the National Cancer Institute on research with SWOG, RTOG and NSABP over the last 15 years.  I was the initial Principal Investigator in the NCI sponsored Community Oncology Program (CCOP).

His mission is to develop a “center of Excellence” that will specifically enhance the treatments of brain and prostate tumors.

Dr. Bouzaglou brings knowledge, expertise and skills in Radiation Medicine.  He is able to deliver quality, compassionate care to the radiation therapy patients at Beverly Hills Cancer Center assuring continuity of care in their overall health concerns.

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Your health is important, and we welcome the opportunity to help you heal.

To schedule an appointment, please call Beverly Hills Cancer Center in Beverly Hills, California at (877) 320-5131 or Click the link below to access our Online Appointment Request

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