breast cancer program

Breast Cancer Care Team


At Adventist Health Glendale (AHGL) Cancer Services, the goal of the breast cancer care team is to help provide patients with the right information and treatments for the best outcomes.

Our compassionate and dedicated team members are committed to the unique needs of each cancer patient. When you become our patient, you are connected with a registered nurse navigator who is available to answer all your questions and coordinate your care.

Our Team Members


Marianna Clarizio

Radiation Therapist
Marianna has been a radiation therapist for over 15 years. She received her degree at California State University, Long Beach and interned at the University of California, Los Angeles, Hoag Hospital and Kaiser. She is dedicated to treating not only the disease, but the whole person. Marianna has extensive experience in the delivery of precision-based therapies, including intensity modulated radiation therapy, stereotactic radiosurgery, high dose rate delivery and Mammosite. Her compassionate attitude and dedication to her patients puts them at ease so the focus is on the healing process.


Sharon Feinberg, RN, BSN

Nurse Navigator
Sharon is the designated oncology nurse navigator for the Cancer Center at AHGL. Sharon guides patients through the oncology care system, establishing contact with newly diagnosed cancer patients and/or family members and caregivers. She has over 25 years of diverse experience in health care and clinical research, including 17 years as an oncology certified nurse, a clinical quality assurance manager, clinical research coordinator and clinical research associate.


Laura Vladimirov

Medical Dosimetrist
Laura graduated from the Purdue University School of Health Sciences with a BS in health physics. She has been practicing radiation oncology for 13 years. Her clinical training was completed at various state-of-the-art facilities in the Los Angeles area. Laura is affiliated with Photon Physics Services, a specialized radiation therapy medical physics group and is well versed in various types of breast treatment techniques, including external beam, intensity modulated radiation therapy (IMRT) and brachytherapy.

Learn more about the Cancer Center at AHGL. For a referral to one of our Breast Cancer Program physicians or to learn more about our services, call (818) 409-8000.