The plan administrators below are available to answer your questions regarding the medical, prescription drug, vision, dental and life insurance plans.

2021

Plan
Administrator's
Name and Address​
Customer Service
Phone Numbers​
​Website Address
United Healthcare Group
Medicare Advantage PPO
United Healthcare Group
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
Vision Plan
EyeMed
Out-of-Network Claims
PO Box 8504
Mason, OH 45040-7111​
866-723-0512
TTY users, call 711
eyemedvisioncare.com/stil
​Quality Care Dental Plan (QCDP)
Delta Dental of Illinois
Group Number 20240
PO Box 5402
Lisle, IL 60532​
800-323-1743
800-526-0844
(TDD/TTY)​
soi.deltadental.com
​Life Insurance Plan
​MetLife Insurance Company
Group Life Claims
PO Box 6100
Scranton, PA 18505
800-880-6394 
TTY users, call 711)​
www.metlife.com/stateofillinois
Medicare COB Unit,
Premium Collection 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
Medical/Dental/Vision/Life Plans
MyBenefits Service Center
134 N. Lasalle Street
Suite 2200
Chicago, IL 60602​
844-251-1777
844-251-1778
(TDD/TTY)​
MyBenefits.illinois.gov

Last Updated 07/30/2021