Skip to main content

Anyone, 6 months of age and older, is eligible to receive the COVID-19 vaccine. Find your nearest vaccination location at

Plan Administrators

Plan Component
Administrator's Name
 Customer Service Phone Numbers
 Website Address
UnitedHealthcare Group Medicare Advantage PPO
Customer Service Dept.
PO Box 30769
Salt Lake City, UT 84130-​0769
TTY users, call 711
Aetna Medicare Plan (HMO)
Aetna Medicare
PO Box 981106
El Paso, TX 79998-1106
TTY users, call 711
Health Alliance MAPD HMO
Health Alliance
3310 Fields South Drive
Champaign, IL 61822
TTY users, call 711
Humana Employer Medicare HMO
Humana Employer Medicare HMO
PO Box 14168
Lexington, KY 40512
TTY users, call 711
​Medicare COB Unit
CMS Group Insurance
801 South 7th Street
PO Box 19208
Springfield, IL
800-526-0844 (TDD/TTY)
​Retirement System
Teachers' Retirement System
2815 W, Washington St.
PO Box 19253
Springfield, IL 62794-9253
TTY users, call 711​
​Medical Plans
MyBenefits Service Center
134 N. LaSalle​ Street
Chicago, IL 60602
844-251-1778 (TDD/TTY)​