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Medicare Supplement Plans

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Find a Medicare Supplement plan in your area. A Medicare Supplement plan can help cover Part A deductibles and offer added value. Our Plan G Extra offers up to $3,000¹ in extra benefits including vision, over-the-counter allowances, and identity theft protection. Choose a Blue Shield Medicare Supplement plan that’s #1 in California.²

Other resources:
Compare plans in your area.
Do you know you can lock in your rate for 12 months³? Learn more.
Download a free† Medicare information booklet.

¹ Blue Shield of California actuarial estimate of extra benefits assuming maximum coverage over the course of 12 months for Blue Shield Medicare Supplement Plan G Extra.

²Blue Shield of California ranks #1 in market share for individual Medicare Supplement plans in California in 2021-2025, according to state data. Market share data is provided annually by Mark Farrah Associates, a data aggregator and publisher.

³ Rates are guaranteed for the first 12 months of coverage assuming no change in Medicare Supplement plan or residence. Guaranteed rates are also subject to age band increases, which take effect each year on July 1.

Page last updated: 10/01/2026

* Blue Shield Medicare Advisors are available October 1 through March 31 from 8 a.m. to 8 p.m. PT, seven days a week and April 1 through September 30 from 8 a.m. to 8 p.m. PT on weekdays.

† All downloads are free with no obligation to enroll. .

Blue Shield of California is an independent member of the Blue Shield Association.

Blue Shield of California 601 12th Street, Oakland, CA 94607.

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