Medicare Operations Division

Acronym list......:   HHS/OS/IOS/ODAB/MOD
Phone................:   866-365-8204 or 202-565-0200
Fax............:   202-565-0227
E-mail.......:   DABMODHotline@hhs.gov Postal address..: US Department of Health and Human Services, 330 Independence Ave., S.W.
Mail Stop : Departmental Appeals Board MS6127
Medicare Operations Division
Washington, DC 20201
Web site............:   www.hhs.gov/dab

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Last Revised: October 28, 2019