to main content

Get Ready To Enroll



Enrollment Documents

To enroll in KelseyCare Advantage, you should have these documents ready:

  • check-dark

    Your current Medicare ID Card (red, white, and blue card)

  • check-dark

    Insurance card/information for a retiree, employer, or union plan that you intend to keep

  • check-dark

    Emergency contact information if you wish to list (not required)




There are FOUR ways to enroll. Click an option to expand.

  • Online

    You can easily apply online to become a member, either directly through the KelseyCare Advantage secure site or through the Centers for Medicare & Medicaid Services Medicare Online Enrollment Center.

    Enroll at KelseyCare Advantage 

    Click here to enroll for 2024 plans

    Enroll at

  • By Phone

    Becoming a member over the phone is also an easy process. Call 713-442-JOIN (5646) and one of our friendly representatives will walk you through the application process.

    This process generally takes around 10-15 minutes.

  • In Person

    We’re happy to meet with you to help you complete your application. Just call a KelseyCare Advantage Health Plan Specialist at 713-442-JOIN (5646) to set up an appointment.

  • By Mail

    If you’re more comfortable enrolling by mail, we make that easy, too. Simply call 713-442-JOIN (5646) to request an application. Please send your completed and signed form to:

    KelseyCare Advantage
    P.O. Box 841569
    Pearland, Texas 77584-9832


Next Steps

Once you enroll in KelseyCare Advantage, we’ll take care of the rest.

  • check-dark

    Our Enrollment Department will review your application and verify your information.

  • check-dark

    We’ll send it to the Centers for Medicare & Medicaid Services, which will also review your application.

  • check-dark

    After that review is complete, we’ll send you a letter confirming enrollment with KelseyCare Advantage with your effective date.

  • check-dark

    You'll receive your new member ID card within a few weeks.

phone with talk bubble

We're Here to Help

Please Contact a Health Plan Specialist at 713-442-5646 (TTY: 711)

From October 1 to March 31

8 a.m. - 8 p.m.

7 days a week

From April 1 to September 30

8 a.m. - 8 p.m.

Monday - Friday

Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.