Introduction
High and rising health care spending is a concern for state governments, which purchase health care and regulate health care markets. Taxpayers stand to benefit when states reduce the growth in health care spending and free up funds to address other public priorities, such as education and transportation. State efforts to “bend the health care cost curve” also can benefit consumers by holding down premium increases and out-of-pocket expenses. This case study highlights the approach taken in Massachusetts, where health care spending has historically been higher than in other states and — until recent years — had been growing faster than the national average (Exhibit 1).
In 2012, Massachusetts established a Health Policy Commission (HPC) as an independent government agency to lead collective efforts to make health care more affordable for its residents. The HPC exercises a broad array of responsibilities. Among them are conducting and disseminating in-depth analyses about who and what is driving health care spending, making data-driven recommendations to inform public policy and opinion, and supporting regulatory action by other state agencies. According to one commentator, “the commission may encourage, cajole, and if needed, shame [health care entities] into doing their part to control costs.”1 How it does so will be described below.
One of the HPC’s best-known tools is a health care cost benchmark, which it sets according to a statutory formula (Appendix A). The benchmark represents a shared goal that total health care spending by all payers in the state will not grow faster than the state’s economy. Using data supplied by a sister agency, the Center for Health Information and Analysis (CHIA; see box), the HPC monitors cost trends for the state as a whole, including spending by payer and service, as well as for specific health care entities.
Center for Health Information and Analysis (CHIA)
Chapter 224 expanded the role and independent authority of this existing data collection agency, giving it the funding ($27.4 million annual budget) to invest in new capacity for developing a comprehensive data system that includes an all-payer claims database (APCD), hospital discharge data, household and employer survey data, and data-mining tools. By funding improved data collection by CHIA and enhanced analysis of these data by the HPC, the state created the capability to answer questions such as:
- How much are we spending on health care? CHIA collects data from insurers on the total cost of care to track overall state spending trends on a timely basis.2
- Why are outpatient costs growing faster than inpatient costs? CHIA uses insurance claims data collected in the APCD to drill down on specific cost drivers in more detail.3
- How are physicians being paid? CHIA collects data on the use of alternative payment methods (such as global and episode-based payments) to track the transition from fee-for-service to value-based care.4
- Why are people picking high-deductible health plans when out-of-pocket costs could be avoided with other types of plans? CHIA fields surveys on household insurance coverage, health care access and use, and health care affordability for Massachusetts residents, as well as on employer health insurance offerings, employee take-up rates, cost-sharing, plan characteristics, and employer decision-making.
- What is the relationship between cost and quality of care? CHIA supplements clinical quality data with patient experience data obtained from a survey conducted by an existing public–private partnership.
- Where should I get care? CHIA developed a CompareCare website that allows consumers to compare the cost of common medical procedures and the quality of care at specific facilities within the state.
While many states focus on creating APCDs, claims data alone could not address this breadth of inquiry.
From 2013 through 2017, annual growth in total health care expenditures in Massachusetts fell below the benchmark of 3.6 percent for three years and exceeded it for two years, yielding a five-year annual average of 3.4 percent (Exhibit 2).
In 2018, estimated statewide spending growth equaled a revised benchmark of 3.1 percent. In the commercial sector, slower spending growth meant that employers and consumers paid an estimated $7.2 billion less from 2013 to 2018 than they would have if the state’s spending growth had matched the national average (Exhibit 3).5