AIS Duals Database: July Update Finds Increased Enrollment in Three States, Decreased Enrollment in Four

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Enrollment in CMS duals demos is up in Michigan, Texas and New York, and down in California, Illinois, Ohio and Minnesota, according to the July update of Atlantic Information Services’ Medicare-Medicaid Dual Eligibles Database.

Researchers for Atlantic Information Services, Inc.’s (AIS) Medicare-Medicaid Dual Eligibles Database have found enrollment in all plans serving dual-eligible populations grew by 27,463 members, or 1.18% in the past month. According to the database’s July update, a total of 2,357,592 members enrolled as of July. This includes members in D-SNPs, PACE plans and Centers for Medicare & Medicaid Services (CMS) duals demos to offer a complete picture of the duals landscape.

As passive enrollment efforts continue, Michigan’s demo continues to show major gains, increasing membership from 17,089 to 30,106 duals. The editors of Medicare-Medicaid Dual Eligibles Database have calculated an initial opt-out rate of 19.78% for the Michigan demo, MI HealthLink — information that is exclusive to the database. Enrollment in the Texas demo also increased, from 37,961 to 44,931 duals. New York’s long term care-focused duals demo saw membership pick up again after a drop in June, increasing enrollment by 2,373 duals. Total enrollment in the New York program is still only 7,122 duals — much smaller than anticipated.

Enrollment is down, overall, in CMS duals demonstrations in California, Illinois, Ohio and Minnesota compared with June levels, according to Medicare-Medicaid Dual Eligibles Database editors. States are encountering a variety of expected and unforeseen challenges in enrolling dual-eligibles in the new plans, but CMS announced last week that it will work with each state to extend the demonstrations for an additional two years to allow more time for states and insurers to find solutions to those impediments.

More than just a convenient, current and comprehensive online database, the Medicare-Medicaid Dual Eligibles Database boasts original news coverage by experienced AIS reporters, including analysis of how the recently announced Centene-Health Net and Aetna-Humana acquisitions could affect the duals market.

For more information and to use a free demo of Medicare-Medicaid Dual Eligibles Database, visit

About Atlantic Information Services
Atlantic Information Services, Inc. (AIS) is a publishing and information company that has been serving the health care industry for more than 25 years. It develops highly targeted news, data and strategic information for managers in hospitals, health plans, medical group practices, pharmaceutical companies and other health care organizations. AIS products include print and electronic newsletters, websites, looseleafs, books, strategic reports, databases, webinars and conferences. Learn more at

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Susan Namovicz-Peat, Director, Directories and Databases Division
Atlantic Information Services
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