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Medicaid Enrollment of New Eligibles in Expansion States, by Party Affiliation of Governor

Medicaid Enrollment of New Eligibles in Expansion States, by Party Affiliation of Governor

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Table 1: Medicaid Enrollment of New Eligibles in Medicaid Expansion States
State Date of Medicaid Expansion Implementation Medicaid Enrollment,
as of January-March 2016
(rounded to nearest 100)
Newly Eligible Enrollment,
as of January-March 2016
Count Percent of Total Medicaid Enrollment
Total Expansion States: 32 49,583,800 11,184,000 23%
Total Republican: 16 20,515,300 4,402,100 21%
Arizona˜ 1/1/2014 1,884,600 110,400 6%
Arkansas˜ 1/1/2014 767,000 278,100 36%
Illinois 1/1/2014 2,925,100 654,200 22%
Indiana˜ 2/1/2015 1,280,300 240,300 19%
Iowa˜ 1/1/2014 591,400 138,500 23%
Kentucky 1/1/2014 1,281,500 443,300 35%
Maryland 1/1/2014 1,103,700 248,200 22%
Massachusetts 1/1/2014 1,845,500 0
Michigan˜ 4/1/2014 2,321,200 601,300 26%
Nevada 1/1/2014 592,400 203,900 34%
New Hampshire˜ 8/15/2014 192,100 52,700 27%
New Jersey 1/1/2014 1,682,200 552,400 33%
New Mexico 1/1/2014 855,800 243,100 28%
North Dakota^ 1/1/2014 N/A N/A N/A
Ohio 1/1/2014 2,983,000 635,700 21%
Vermont 1/1/2014 209,500 0
Total Democrat: 15   28,930,700 6,767,500 23%
California 1/1/2014 13,107,000 3,541,700 27%
Colorado 1/1/2014 1,321,700 423,500 32%
Connecticut 1/1/2014 856,100 194,100 23%
Delaware 1/1/2014 221,800 11,500 5%
District of Columbia 1/1/2014 236,500 62,600 26%
Hawaii 1/1/2014 319,300 32,300 10%
Louisiana 7/1/2016 1,466,200 0
Minnesota 1/1/2014 1,246,000 222,300 18%
Montana˜ 1/1/2016 201,300 46,700 23%
New York 1/1/2014 4,961,100 268,900 5%
Oregon 1/1/2014 1,102,100 478,800 43%
Pennsylvania 1/1/2015 2,747,700 664,100 24%
Rhode Island 1/1/2014 281,600 60,500 21%
Washington 1/1/2014 1,818,300 580,000 32%
West Virginia 1/1/2014 510,200 180,500 35%
Independent: 1   137,800 14,400 10%
Alaska 9/1/2015 137,800 14,400 10%
NOTES: ˜AR, AZ, IA, IN, MI, MT, and NH have approved Section 1115 expansion waivers. ^North Dakota data were unavailable from CMS. †Louisiana expanded Medicaid on 7/1/16 and thus has no expansion enrollment in January-March 2016. As of March 2017, 408,351 adults are enrolled in Medicaid Expansion in Louisiana (see http://ldh.la.gov/healthyladashboard/).
Enrollment from both MBES and CA DHCS report is reported for each month. In an effort to take into account that some beneficiaries are enrolled for only part of the year, maximum monthly enrollment for each state is used to estimate total annual enrollment.
Due to rounding, states totals may not sum to national total. Total for Medicaid enrollment in Democratic states excludes LA given they had not implemented Medicaid expansion by March 2016.
SOURCE: Kaiser Family Foundation analysis of Medicaid spending and enrollment data collected from the Medicaid Budget and Expenditure System (MBES), Centers for Medicare and Medicaid Services https://www.medicaid.gov/medicaid/program-information/medicaid-and-chip-enrollment-data/enrollment-mbes/index.html. State expansion status available at “Status of State Action on the Medicaid Expansion Decision,” KFF State Health Facts, http://kff.org/health-reform/state-indicator/state-activity-around-expanding-medicaid-under-the-affordable-care-act.

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