On average, Medicare Supplement plans in California cost $141 per month for 65-year-olds and $242 for 75-year-olds.
Plans F and G are the most popular because they offer the most comprehensive coverage. However, Plan F is only available if you were eligible for Medicare before 2020. On average, a 65-year-old will spend $137.30 per month for Plan G, while a 75-year-old will spend $249.08 per month for Plan F.
Another sought-after plan is Plan N, which has similar coverages as Plans F and G but does not cover excess charges. For a 65-year-old, Plan N costs $137.70 per month, on average.