This bill would require the California State Board of Pharmacy to license and regulate pharmacy benefit managers that manage the prescription drug coverage provided by a health care service plan or health insurer, except as specified. The bill would set forth various duties of pharmacy benefit managers, including requirements to file a report with the board. The bill would prohibit a pharmacy benefit manager from, among other things, contracting after January 1, 2024, to prohibit or restrict a pharmacy or pharmacist from disclosing to an enrollee or insured health care information that the pharmacy or pharmacist considers appropriate.