The Oncology Institute, Inc. is an oncology company providing various oncology services in the United States. It operates through three segments: Specialty Pharmacy, Patient Services, and Clinical Trials & Other. The company offers physician services, in-house infusion, in-house specialty pharmacy, clinical trials, radiation therapy, and outpatient blood product transfusion services, along with educational seminars, support groups, counseling services, and 24/7 patient assistance and support. It also manages clinical trials and palliative care programs, operates combined community clinics and infusion suites, and runs a specialty pharmacy that includes both in-office and mail-order dispensing for complementary oral and self-injectable medications taken by patients concurrent with their in-office cancer therapies. The Oncology Institute, Inc. serves adult and senior cancer patients, was founded in 2007, and is headquartered in Cerritos, California.