To update personal information with Oxford Health Plans, individuals generally need to access their online member portal. Once logged in, users can typically find an option to update their profile, which may include changes to contact information, address, or dependents. It is also important to ensure that any changes align with the requirements for maintaining accurate records in connection with their health coverage. If the online portal does not suffice for certain changes, members might need to fill out a specific form or provide documentation to support their request. To get the most current instructions and options for updating personal information, it may be helpful to visit the official website of Oxford Health Plans, where detailed guidance and contact information are available.