Fee for service is fairly easy to understand as a payment method, as each specific service (or procedure or intervention or piece of equipment) provided is billed and paid for. In its most common form, fee-for-service payment in health care differs from payment for goods or services in other sectors of the economy in the way it is priced. In most consumer markets, the list price is determined by what the consumer is willing to pay for an item or service. In health care, the amount paid for services is usually negotiated between insurers and other payers and providers. In the case of government payers, it is based on defined or administered rates often determined by a formula or funding levels. In addition, fee-for-service payments are somewhat constrained by coding guidelines and rules (CPT, and ICD-9) that define what can be billed and paid for. The fee-for-service mechanism of paying physicians is the major driver of higher health care costs in the United States (Schroeder, & Frist, 2013). It contains incentives for increasing the volume and cost of services (whether appropriate or not), encourages duplication, discourages care coordination, and promotes inefficiency in the delivery of medical