United in Healing

Our affiliation with The US Oncology Network results in better care for you and your loved ones. Learn More.


View all of our career positions at any of our locations. Learn More.

Treatment close to home: Beginning in 1957 with just one office located on Wilshire Boulevard in Los Angeles, Wilshire Oncology Medical Group, Inc. now offers services within a network of seven cancer centers in the San Gabriel Valley and Inland Empire. We offer a premier cancer care team of exceptionally trained, dedicated and compassionate cancer specialists from the front desk to the physician leadership. “As leaders in developing and delivering accessible, state-of-the-art, innovative cancer care in our communities, we provide comprehensive care close to home for all types of cancer,” says Linda D. Bosserman, M.D., FACP, medical oncologist and President.

Innovative Physicians you can trust: Wilshire Oncology physicians share their vast knowledge and experience gained at some of the most prestigious medical schools and cancer centers in the nation. Our team takes the time to explain, answer questions and address your concerns. Our electronic medical record system allows all members of our team to be familiar with your treatment plan and medical care. This technology enhances the quality, safety and timeliness of your care. It also makes sure the doctor on call can rapidly review your case and help get immediate care to you when needed.

We are also dedicated to helping current and future patients by fully participating in clinical trials which bring promising new therapies to patients today. Wilshire Oncology is proud to have participated in clinical trials that proved so successful that 10 new cancer drugs have been approved by the FDA for patient’s use. Patients of Wilshire Oncology received these cutting-edge therapies 2-5 years before they were available to the general public. If a clinical trial would benefit you, our Clinical Research Coordinators become part of your team and take the extra time to support you through the process.
A team you can believe in: In addition to our physicians and nurse practitioners, our oncology nurses, radiation therapists, clinical research coordinators and skilled support staff are dedicated to providing you with the highest quality and level of care. You deserve the very best we have to offer.

Our Mission is to relieve the burden and suffering of cancer by:

  • Providing a collaborative environment that offers compassionate, comprehensive cancer care to patients and families.
  • Excelling in prevention, diagnosis, education, integrated treatments, and access to innovative therapies through clinical trials.
  • Optimizing quality of life while respecting individual patients and their families.
  • Delivering to patients our unique personal commitment to their care.