How Many Medicare Part D Enrollees Had High Out-of-Pocket Drug Costs in 2017?

Medicare Part D Enrollees Without Low-income Subsidies (LIS) With Drug Spending
Above the Catastrophic Threshold in 2017, by State
Total non-LIS enrollees Number reaching catastrophic coverage Share reaching catastrophic coverage
U.S. Total 30,890,515 1,016,660 3.3%
Alabama 480,465 16,340 3.4%
Alaska 18,840 780 4.1%
Arizona 686,495 19,480 2.8%
Arkansas 285,040 8,105 2.8%
California 3,202,915 86,010 2.7%
Colorado 489,630 12,030 2.5%
Connecticut 338,195 11,380 3.4%
Delaware 114,540 4,630 4.0%
D.C. 20,835 670 3.2%
Florida 2,391,780 71,060 3.0%
Georgia 814,405 31,455 3.9%
Hawaii 142,185 3,745 2.6%
Idaho 166,270 4,120 2.5%
Illinois 1,178,110 38,915 3.3%
Indiana 699,780 25,415 3.6%
Iowa 380,250 11,905 3.1%
Kansas 294,230 10,065 3.4%
Kentucky 458,755 16,835 3.7%
Louisiana 396,365 12,455 3.1%
Maine 147,390 3,730 2.5%
Maryland 439,465 16,015 3.6%
Massachusetts 665,075 18,595 2.8%
Michigan 1,227,025 36,550 3.0%
Minnesota 602,620 15,810 2.6%
Mississippi 244,450 8,005 3.3%
Missouri 684,475 21,260 3.1%
Montana 116,325 3,120 2.7%
Nebraska 197,985 6,910 3.5%
Nevada 265,050 7,695 2.9%
New Hampshire 149,445 4,095 2.7%
New Jersey 905,225 46,540 5.1%
New Mexico 182,375 4,295 2.4%
New York 1,780,670 78,015 4.4%
North Carolina 1,016,425 33,930 3.3%
North Dakota 74,090 2,765 3.7%
Ohio 1,363,430 42,175 3.1%
Oklahoma 342,205 13,530 4.0%
Oregon 464,680 11,910 2.6%
Pennsylvania 1,556,205 60,275 3.9%
Rhode Island 118,785 3,010 2.5%
South Carolina 534,015 19,520 3.7%
South Dakota 93,865 3,145 3.4%
Tennessee 681,910 22,275 3.3%
Texas 1,985,885 71,555 3.6%
Utah 219,350 6,230 2.8%
Vermont 73,305 2,245 3.1%
Virginia 687,875 22,950 3.3%
Washington 621,620 17,665 2.8%
West Virginia 199,860 6,770 3.4%
Wisconsin 635,630 18,955 3.0%
Wyoming 54,720 1,725 3.2%
SOURCE: KFF analysis of 2017 prescription drug claims data from the CMS Chronic Conditions Data Warehouse.
Methods