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

Plan Administrators

Plan Component
Administrator's Name
 Customer Service Phone Numbers
 Website Address
UnitedHealthcare Group Medicare Advantage PPO
UnitedHealthcare
Customer Service Dept.
PO Box 30769
Salt Lake City, UT 84130-​0769
888-223-1092
TTY users, call 711
uhcretiree.com/soi
Aetna Medicare Plan (HMO)
Aetna Medicare
PO Box 981106
El Paso, TX 79998-1106
855-223-4807
TTY users, call 711
            stateofillinois.aetnamedicare.com
Health Alliance MAPD HMO
Health Alliance
3310 Fields South Drive
Champaign, IL 61822
877-795-6131
TTY users, call 711
healthallianceretiree.org/soi
Humana Employer Medicare HMO
Humana Employer Medicare HMO
PO Box 14168
Lexington, KY 40512
800-951-0125
TTY users, call 711
our.humana.com/soi
​Medicare COB Unit
CMS Group Insurance
801 South 7th Street
PO Box 19208
Springfield, IL
62794-9208​
​217-782-2548
​800-442-1300
800-526-0844 (TDD/TTY)
benefitschoice.il.gov
​Retirement System
Teachers' Retirement System
2815 W, Washington St.
PO Box 19253
Springfield, IL 62794-9253
877-927-5877
TTY users, call 711
trsil.org​
​Medical Plans
MyBenefits Service Center
134 N. LaSalle​ Street
Chicago, IL 60602
​844-251-1777
844-251-1778 (TDD/TTY)​
MyBenefits.illinois.gov