Use the following address to send UnitedHealthcare correspondence or enrollment forms through the mail if you have a Medicare Advantage, Medicare prescription drug or Medicare Special Needs plan.
PO Box 30769
Salt Lake City, UT 84130-0769
Use the following address to send UnitedHealthcare correspondence through the mail if you have a Medicare Supplement Insurance plan.
PO Box 30607
Salt Lake City, UT 84130-0607
Enrollment forms: Use the address provided on the paper application you received in the mail.
If you are a Provider and require assistance, you may contact UnitedHealthcare plans by calling the toll-free General Provider line. Please do not call the Customer Service number listed throughout this website. Providers are routed by their Tax ID.
General Provider line: 1-877-842-3210
Hours of operation: 8 a.m.–8 p.m., Monday–Friday
Website Technical Support
UnitedHealthcare Customer Service advocates are available to assist you with password resets, enhancement requests and technical issues with the website.