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Plan Administrators

Plan Component
Administrator's Name
 Customer Service Phone Numbers
 Website Address
Aetna MAPD PPO Plan
Aetna Medicare
PO Box 981106
El Paso, TX 79998-1106
855-223-4807
TTY users, call 711
          stateofillinois.aetnamedicare.com
​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
Vision Plan EyeMed
Out-of-Network-Claims
PO Box 8504
Mason, OH 45040-7111

800-323-1743
800-526-0844 (TDD/TTY)

eyemedvisioncare.com/stil
Teacher's Choice Dental Plan (TCDP) Delta Dental of Illinois
Group Number 20544
PO Box 5402
Lisle, IL 60532
800-323-1743
800-526-0844 (TDD/TTY)
soi.deltadentalil.com