Reminder: Starting Dec. 1 2017, members may have a new Oxford Health Plan identification (ID) card and number. As members are given new ID numbers, the website you use for secure transactions will change from OxfordHealth.com to UHCprovider.com.The website will be listed on the back of the member's new ID card. If you're unable to confirm the member's eligibility on OxfordHealth.com, please use the UnitedHealthcare Provider Portal. To access the UnitedHealthcare Provider Portal, please sign in to UHCprovider.com and click the Sign In button in the top right corner.