Committed to Your Cancer Care

Welcome to Oncology Associates of San Diego (OASD) offers a complete range of oncology services in an atmosphere of professionalism, encouragement and understanding.

OASD provides personalized care for the detection, diagnosis, treatment, support and follow-up of cancer patients and their families.

What's New

February 14, 2022: Cision PR Newswire - Medical Oncology Associates of San Diego Joins OneOncology! Read More.

October 1st, 2020: Top Docs San Diego Magazine 2020 - Dr. Steven Kossman read his bio Read More,Dr. Charles Redfern read his bio Read More


March 24th, 2020: Oncology Associates is pleased to offer virtual office visits for our established patients during the COVID-19 pandemic. If eligible for this option, you will be provided with a Meeting ID Number to use at the time of your scheduled appointment Click here to connect with your doctor(2022).


March 16th, 2020: We want to assure you that we are taking action to protect your health and safety during the COVID-19 epidemic. We are following the lead of major cancer centers nationwide. MOASD COVID-19 Patient Information Click here PDF here.

Electronic Patient Records

Electronic Patient Records: OASD now has a fully functional electronic medical record system for patients.
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Clinical Trials

OASD participates with the National Cancer Institute and Sharp HealthCare to provide access to cancer clinical trials.
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