How to Enroll in Medicare 

Enroll Online

Enroll any time using our easy, safe and secure enrollment website.
Apply Now 2023

Enroll by Phone

Call 1-877-428-3929
Representatives are available 8 a.m. - 8 p.m. Eastern Time 7 days a week from October 1 through March 31. * From April 1 through September 30 our business hours are 8 a.m. - 8 p.m., Monday through Friday. TTY users: 711.

Enroll by CMS

Medicare beneficiaries may also enroll in Highmark Wholecare through the CMS Medicare Online Enrollment Center.
Visit CMS

Enroll by Mail

You have the option to enroll by mail by printing and filling out the enrollment forms.

Download and mail completed forms to:

Highmark Wholecare
Attention: Medicare Enrollment Department
Four Gateway Center
444 Liberty Avenue, Suite 2100
Pittsburgh, PA 15222-1222

Enrollment Forms

2023 Enrollment Forms

2023 Enrollment Form - PA Diamond and PA Ruby Plans
2023 Enrollment Form (Spanish) - PA Diamond and PA Ruby Plans