TRICARE Open Season 2025: Understanding eligibility
For many TRICARE beneficiaries, TRICARE Open Season is the annual period when you can enroll in or change your health care plan for the following year. This year, TRICARE Open Season began Nov. 10 and ends Dec. 9. Changes you make during open season are effective on Jan. 1, 2026. Keep reading to learn if you're eligible to make changes to your plan during open season.