Final answer:
The Consumer Assessment of Healthcare Providers and Systems (CAHPS) survey is an annual member satisfaction survey that affects the STAR rating of MA members.
Step-by-step explanation:
The annual member survey sent to MA members that affect the STAR rating is the CAHPS (Consumer Assessment of Healthcare Providers and Systems) survey. This survey measures member satisfaction with various aspects of their health plan, including the quality of care and services received. Healthcare plans are strongly interested in CAHPS scores because they can impact their Star Ratings, which reflect the overall quality of the plans and are used by Medicare Advantage members to choose between plans.