Call Now
Website
Call
Business Details
41 Years
experience
Your Trusted Cancer Care Partner in San Diego
Medical Oncology Associates of San Diego (MOASD) has dedicated itself to providing comprehensive oncology care with professionalism and compassion. Since our founding nearly 40 years ago, we have specialized in personalized cancer treatment, offering services ranging from early detection and diagnosis to advanced therapies and ongoing support. Our facilities, strategically located across San Diego County, house medical oncology infusion centers, physician offices, and on-site registration to ensure seamless care under one roof. Partnering with leading institutions like Sharp Memorial Hospital and UC San Diego Health, we serve patients through five regional clinics staffed by ten physicians, two nurse practitioners, and over 60 support professionals. Our commitment to innovation extends to clinical research, with active participation in trials through partnerships like OneR, providing access to cutting-edge treatments.

We prioritize patient education and involvement in treatment planning, offering resources through physician counseling and digital platforms. As a partner of OneOncology, we strengthen independent cancer care while maintaining local accessibility. Our team, led by President Charles Redfern, MD, combines decades of expertise with a focus on community-centered care. We operate state-of-the-art facilities featuring 20 infusion chairs and specialized spaces for clinical trials. Our mission remains centered on delivering expert, compassionate care tailored to each patient's unique needs.
Services
Cancer diagnosis Infusion therapy Clinical trials Patient support Diagnostic imaging Hematology care Genetic counseling Palliative care Oncology research Treatment planning
Details
  • Year established: 1985
Highlights and features
  • We offer 40 years of specialized oncology expertise across five regional locations
  • Our team includes ten board-certified oncologists and 62 dedicated support staff
  • We provide access to cutting-edge clinical trials through national partnerships
  • All services are available under one roof at our 9,000 sq ft main facility
  • We maintain partnerships with Sharp Memorial Hospital and UC San Diego Health
Services
Cancer diagnosis
Our comprehensive cancer diagnosis services utilize advanced imaging and laboratory testing to identify malignancies at their earliest stages. Board-certified oncologists work with patients to develop personalized diagnostic plans incorporating family history, genetic testing, and physical examinations. We offer rapid access to diagnostic tools including PET scans, biopsies, and molecular profiling to ensure accurate staging and treatment planning.
Infusion therapy
Specialized infusion centers at our main campus provide chemotherapy, immunotherapy, and targeted treatment administration. Trained nurses deliver intravenous medications in comfortable settings with 20 infusion chairs across locations. We offer supportive care services during treatment and monitor patients for adverse reactions while maintaining strict safety protocols for medication handling and administration.
Clinical trials
We provide access to investigational cancer treatments through active participation in national clinical trial networks. Our research team helps eligible patients enroll in studies testing new therapies for various malignancies. Current trials focus on head & neck cancer, prostate cancer, and non-small cell lung cancer treatments while maintaining patient safety as our top priority throughout the research process.
Patient support
Comprehensive support services address physical, emotional, and practical needs throughout cancer treatment. Our multidisciplinary team includes social workers, nutritionists, and palliative care specialists who collaborate with physicians to create holistic care plans. We offer educational resources, financial counseling, and survivorship programs to support patients from diagnosis through post-treatment follow-up.
Hematology care
Our hematologists specialize in diagnosing and treating blood cancers including leukemia, lymphoma, and myeloma. Treatment plans combine chemotherapy, targeted therapies, and stem cell support with personalized care approaches. We provide specialized monitoring for blood counts and coagulation factors while managing treatment-related side effects through our infusion centers and outpatient clinics.
People
Charles Redfern
President
Dr. Redfern leads our medical team with over 25 years of oncology experience. He oversees clinical operations across all five locations while maintaining an active patient practice. His leadership focuses on expanding access to innovative treatments through strategic partnerships and community engagement initiatives that support cancer patients throughout San Diego County.
Sabina Wallach
Oncologist
Dr. Wallach directs our La Jolla cancer center, bringing expertise in medical oncology and hematology. She leads clinical trials while providing personalized treatment for breast and gastrointestinal cancers. Her patient-centered approach emphasizes clear communication and coordinated care through our multidisciplinary team model at the newest MOASD facility.
Marie Shieh
Oncologist
Dr. Shieh specializes in treating hematologic malignancies at our La Jolla center. She combines chemotherapy with targeted therapies for leukemia and lymphoma patients. Her practice focuses on minimizing treatment side effects while optimizing outcomes through evidence-based approaches and participation in relevant clinical research studies.
Questions
What cancer types do you treat?
We treat all solid tumors and blood cancers including breast, lung, prostate, colorectal, and hematologic malignancies through our comprehensive oncology services.
Do you offer genetic testing?
Yes, we provide genetic counseling and testing services to assess cancer risk and guide personalized treatment decisions for high-risk patients.
Are clinical trials available?
We actively participate in clinical trials through national networks, offering access to investigational treatments for eligible patients across multiple cancer types.
What insurance plans do you accept?
We work with most major insurance providers and can help verify coverage for cancer treatments, including participation in clinical trials.
How do I schedule an appointment?
Contact our main office at (858) 637-7888 or use our online form to request an appointment at any of our five regional locations.
Do you provide infusion therapy?
Yes, our infusion centers offer chemotherapy, immunotherapy, and supportive care treatments in comfortable settings with experienced nursing staff.