Does Blue Shield offer Medicare Services in San Diego? by Keaton Marks | Sep 12, 2020 | 0 comments Yes, Blue Shield offers a great Supplement plan and an Advantage plan in San Diego. Was this answer helpful ? Yes / No Keaton MarksI believes one thing above all else: “Medicare is confusing… but it doesn’t have to be! That is where HealthyMarks Medicare comes in” Please contact me with any questions. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.