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How Can We Help?

Whether you’re new to Medicare and need help choosing, or already have a plan and want to switch, we’re here to help.

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Here’s How You Can Contact Us 

If you have questions prior to enrolling, reach out to one of our sales representatives for help with your Blue Cross and Blue Shield of Oklahoma Medicare Plan: 

  • Call us at 1-866-288-3539 (TTY 711). 
  • We’re open between 8 a.m. – 8 p.m., local time, 7 days a week.
  • If you’re calling from April 1 through September 30, alternate technologies (for example, voicemail) will be used on weekends and holidays. 

More Ways to Contact Us

Do you need to verify your recent enrollment in a BCBSOK Medicare plan? Are you already enrolled and want to check the status of a claim or ask questions about your existing coverage?

Call Member Services at the phone numbers below for these answers and other important needs.

Blue Cross Medicare Advantage℠ Plans

Blue Medicare Advantage Dual Care (HMO SNP)℠ Plans 

Blue Cross MedicareRx℠ Plans

Blue Medicare Supplement℠ Insurance Plans Member Services

Phone
If your policy effective date is before 5/1/2019, please call 1-800-722-3959 (TTY: 711)

If your policy effective date is after 5/1/2019, please call 1-877-587-6616 (TTY: 711)

Hours
We’re open 7:00 a.m. – 6:00 p.m., CST, Monday through Friday.

Mailing Address
Blue Medicare Supplement Insurance Plan

1000 E. Warrenville Road
Naperville, IL 60563

Blue Dental Plus℠ Member Services

Phone
For application status or other questions regarding Blue Dental PlusSM, please call 1-833-418-0447 (TTY: 711).

Mailing Address
Blue Medicare Supplement

c/o Member Services
P.O. Box 3388
Scranton, PA 18505

Blue Cross Group Medicare Options℠ Plans Member Services

If you are retiring soon, talk with your human resources department or benefits administrator about Medicare options available through your employer or union.

If you are a retiree group Medicare plan member and need assistance with recent enrollment, the status of a claim, or have questions, call the Customer Service number on your member ID card.

We’re open between 8:00 a.m. – 8:00 p.m., local time,
7 days a week. If you’re calling from April 1 through September 30, voicemail will be used on weekends and holidays.

Medicare Contact Information

You can contact the U.S. Centers for Medicare and Medicaid Services (CMS) for more information about Medicare benefits and services, including general information about Medicare Advantage Prescription Drug coverage.

Phone
1-800-MEDICARE (1-800-633-4227
24 hours a day, 7 days a week
If you are hearing or speech impaired, call 1-877-486-2048

Web
www.medicare.gov

More Ways to Contact CMS
If you would like to submit feedback directly to the U.S. Centers for Medicare and Medicaid Services, please use the Medicare Complaint Form contact the Office of the Medicare Ombudsman