Dr. Marianna Tovmasyan Petrosyan specializes in optometry in Sherman Oaks area. Dr. Marianna Tovmasyan Petrosyan has a medical practice at 13320 Riverside Drive, Suite 114, Sherman Oaks CA, and has over 7 years of experience in the field of medicine. She graduated from Southern California College Of Optometry with her medical degree in 2010. Dr. Petrosyan is accepting new patients at her medical office and practice location in Sherman Oaks, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.