The Oncology Institute, Inc., an oncology company, provides 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, as well as educational seminars, support groups, counseling services, and 24/7 patient assistance and support services. It also manages clinical trials and palliative care programs; operates combined community clinics and infusion suites; and operates 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. It serves adult and senior cancer patients. The Oncology Institute, Inc. was founded in 2007 and is headquartered in Cerritos, California.