2027 Medicare Advantage & Part D Plan Landscape Data

Explore the official 2027 Medicare Advantage and Part D Plan Landscape from the Centers for Medicare & Medicaid Services (CMS). This filter-ready dataset contains 130,306 county-level plan offerings for 2027, allowing analysts, brokers, researchers, and healthcare organizations to compare Medicare coverage options before Open Enrollment.

What is in the dataset?

Each row represents a Medicare Advantage or prescription drug plan offering by geography, with fields covering contract and plan identifiers, parent organizations, plan type, county and state availability, premiums, deductibles, out-of-pocket limits, Special Needs Plan indicators, Part D coverage, low-income subsidy settings, enrollment limits, and CMS star ratings.

Common use cases

• Compare 2027 Medicare Advantage and Part D premiums by state, county, or plan sponsor.
• Identify zero-premium plans, deductible structures, and maximum out-of-pocket limits.
• Analyze Special Needs Plans and dual-eligible integration options.
• Benchmark plan availability and quality using CMS Part C, Part D, and overall star ratings.
• Build localized Medicare market-intelligence and plan-comparison workflows.

CMS released this September 2026 landscape file for the 2027 plan year. The source is a U.S. government work and is in the public domain.