The medpac data book provides information on national health care and medicare spending as well as medicare beneficiary demographics dual eligible beneficiaries quality of care in the medicare program and medicare beneficiary and other payer liability it also examines provider. The medpac data book provides information on national health care and medicare spending as well as medicare beneficiary demographics dual eligible beneficiaries quality of care in the medicare program and medicare beneficiary and other payer liability it also examines provider. The medpac data book provides information on national health care and medicare spending as well as medicare beneficiary demographics dual eligible beneficiaries quality of care in the medicare program and medicare beneficiary and other payer liability it also examines provider. Health care spending and the medicare program a data book by medicare payment advisory commission us publication date 1998 topics medical care cost of medicare medicare beneficiaries publisher washington dc medicare payment advsory commission collection cms related reports cmslibrary fedlink medicalheritagelibrary americana digitizing sponsor centers for medicare medicaid . Medicare was the largest single purchaser of personal health care in 2018 of the total 31 trillion spent that year medicare spending accounted for 697 billion 23 percent in 2019 medicare spent 787 billion on benefits managed care medicare advantage accounted for 34 percent inpatient hospital services accounted for 19 percent part d prescription drug spending accounted for 13 percent and services under the physician fee schedule accounted for 9 percent