Sansum

Sansum Clinic, founded in 1921, is one of the oldest non-profit clinics in California. Located in Santa Barbara, it is also one of the largest healthcare providers on the south and central coast of California. The Sansum Clinic was established by Dr. William David Sansum, the first physician to develop and administer insulin in the U.S. to successfully treat a diabetic patient. The clinic expanded to treat other patients who did not require hospitalization. As of October 2023, Sansum Clinic's approximately 1,450 physicians and staff represent more than 30 medical specialties and subspecialties at 22 patient care locations.