What additional cost is typically associated with Medicare HMOs when going out-of-network for non-emergency services?

In the context of Medicare Health Maintenance Organizations (HMOs), when beneficiaries choose to go out-of-network for non-emergency services, they typically face higher out-of-pocket costs. This is because Medicare HMOs are designed to operate within a network of providers, and services received outside this network often require the patient to assume more financial responsibility.

The higher out-of-pocket costs arise from the fact that HMOs usually do not cover out-of-network services at the same level as in-network services. Patients may either have to pay for those services entirely out of their own pockets or face increased copayments or coinsurance rates. This cost structure incentivizes members to utilize network providers to minimize their healthcare expenses, reinforcing the HMO's focus on coordinated care within a designated network.

The other options do not accurately represent the cost implications associated with out-of-network services in Medicare HMOs. For instance, there are usually not no additional costs when receiving out-of-network care; coverage for out-of-network services is generally not full; and reduced premium rates are not typically a consequence of going out-of-network, but rather a distinct aspect related to plan structure.