A. List of addresses of CMS regional offices

Region I (Boston) Health Plans & Providers Branch John F. Kennedy Federal Building, Room 2375 Boston, MA 02203 Region V (Chicago) CMS Division of Beneficiaries, Health Plans & Providers 233 North Michigan Avenue Suite 600 Chicago, IL 60601 Region VIII (Denver) Division of Beneficiaries, Health Plans & Providers Customer Relations Branch 1961 Stout Street Denver, CO 80241 Region II (New York) Division of Beneficiary Health Plans & Providers, Beneficiary Services & Provider Branch 26 Federal Plaza, Room 3811 New York, NY 10278 Region VI (Dallas) Health Plans and Providers Branch 301 Young StreetRoom 833 Dallas, TX 75202 Region IX (San Francisco) Health Plan & Provider Operations 90 7 th Street, Suite 5-300 (5W) San Francisco, CA 94103 Region III (Philadelphia) Division of Beneficiary Health Plans & Providers Beneficiary Services Branch Enrollment/Disenrollment Unit The Public Ledger Building Suite 216 150 S. Independence Mall West Philadelphia, PA 19106 Region VII (Kansas City) Division of Beneficiary Services Richard Bolling Federal Building 601 East 12th Street, Room 235 Kansas City, MO 64106 Region X (Seattle) Division of Beneficiaries, Health Plans & Providers Managed Care Branch 701 5th Avenue Suite 1600 MS-01 Seattle ,WA 98104 Region IV (Atlanta) Atlanta Federal Center, 4th Floor Division of Beneficiary Services 61 Forsyth St. SW, Suite 4T20 Atlanta, GA 30303-8909