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GAO-20-571R 1 (2020-07-14)

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G      A      O        U.S. GOVERNMENT ACCOUNTABILITY OFFICE
441 G St. N.W.
Washington, DC 20548



July 14, 2020


The Honorable Ron Johnson
Chairman
Committee on Homeland Security and Governmental Affairs
United States Senate

Medicaid: Primer on Financing Arrangements

Dear Mr. Chairman:

Medicaid-a joint, federal-state program that finances health care coverage for low-income and
medically needy populations-covered an estimated 76 million individuals at an estimated cost
of $668 billion in fiscal year 2019, about $420 billion of which was federal spending. The federal
government and states share responsibility for financing Medicaid expenditures. The Centers for
Medicare & Medicaid Services (CMS), the agency within the Department of Health and Human
Services (HHS) that oversees Medicaid, generally matches each state's Medicaid expenditures
for health care services according to a statutory formula.1 These expenditures include payments
for care provided to Medicaid beneficiaries, such as base payments and supplemental
payments to providers. Unlike base payments, which include fee-for-service or capitated
payments, supplemental payments are not specifically tied to care for individual enrollees, but
may help offset any remaining costs of care for Medicaid enrollees.

Federal law requires that states finance at least 40 percent of their share of total Medicaid
expenditures through state funds; within limits, however, they can use other funding sources as
well. For example, states can finance their nonfederal share of Medicaid expenditures through
funds transferred from local governments, known as intergovernmental transfers; or through
local government expenditures, known as certified public expenditures. States can also finance
the nonfederal share through taxes levied on providers. States can use these financing
arrangements to finance any type of Medicaid expenditure. We found in past work that states
rely heavily on local government expenditures and taxes on providers to finance supplemental
payments, sometimes in ways that lowered the amount the state contributed to Medicaid
expenditures while increasing payments to providers and shifting responsibility for a larger
share of the payments to the federal government. 2

You asked us to provide information describing Medicaid financing arrangements used by
states. Enclosure 1 includes a primer on this topic, describing the most common types of
financing arrangements used by states to fund their nonfederal shares of Medicaid

1The formula is designed such that the federal government pays a larger portion of Medicaid costs in states with
lower per capita incomes relative to the national average. For fiscal year 2020, states' federal matching rates range
from 50.00 percent to 76.98 percent. The federal government reimburses states for a portion of their expenditures
based on each state's match rate.
2See GAO, Medicaid Financing: States' Increased Reliance on Funds from Health Care Providers and Local
Governments Warrants Improved CMS Data Collection, GAO-1 4-627 (Washington, D.C.: July 29, 2014).


GAO-20-571R Medicaid Financing Primer


Page 1

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