Cal. Welf. & Inst. Code § 14087.967

To the full extent permitted by federal law, the department and the commission may enter into contracts to provide or arrange for health care services for any or all persons who are eligible to receive benefits under the Medi-Cal program. The contracts may be on an exclusive or nonexclusive basis, and shall include payment provisions on any basis negotiated between the department and the commission. In addition, health plans or programs operated by the commission as part of the local initiative may also include, but are not limited to, individuals covered under Title 18 of the Social Security Act (Subchapter 18 (commencing with Section 1395) of Chapter 7 of Title 42 of the United States Code), individuals employed by public agencies and private businesses, and uninsured or indigent patients.