Insurer programs fostering provider price competition.
D002140:California; D004465:Economic Competition; D004467:Economics; D006264:Health Benefit Plans, Employee / Q000639:trends; D007341:Insurance / Q000458:organization & administration*; D007343:Insurance Carriers / Q000458:organization & administration*; D008484:Medicaid / Q000458:organization & administration*; D014481:United States