In POS plans, the affected person has the alternative, on the time of provider, examination help select exam help provider external the network but pays exam help better top rate as well as exam help copayment amount of cash enrollees pay out of their pocket at the time exam help service is provided for the exibility examination help do so. In the EPO option, enrollees must seek care from the precise HMO provider or pay all of the cost out of pocket. Another common form of MCO is the preferred issuer organization PPO. PPOs render facilities on an FFS basis but deliver nancial incentives examination help consumers they pay less when the favorite company is used. Providers are influenced examination help turn into a part of exam help PPO because it ensures them an enough inhabitants of patients. More than 70 million Americans have enrolled in HMOs quiz help practically 90 million have become exam help part of PPOs since their inception National Conference of State Legislatures , 2009.