2027 open enrollment. 3.15 million people must pick a new Medicare Advantage plan. See every plan and county, free.3.15M must pick a new plan.
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| Source | The data | Years |
|---|---|---|
| Who is enrolled | ||
| By plan, monthly | Managed-care enrollment by plan in 45 states, with the parent behind each plan and its market share. | 2000 to 2026 |
| By state, monthly | Medicaid and CHIP enrollment and applications, every state. | 2013 to 2026 |
| Managed care, the national reports | Plan-level enrollment by state; utilization by MCO and county for Arizona, Michigan, Nevada and New Mexico. | 2016 to 2024 |
| California in depth | Medi-Cal managed care enrollment since 2007, the county-plan-model roster, the contracts, the waiver authorities. | 2007 to 2026 |
| How plans perform | ||
| Plan quality | HEDIS rates by managed-care plan as each state reports them, keyed to the plan. | 2021 to 2024 |
| Appeals and grievances | Appeals, fair hearings, grievances and prior authorization by managed-care plan, from every state's annual report to CMS. | 2023 to 2024 |
| What the state pays | ||
| Fee schedules | Professional rates by procedure in 11 states (CA, CT, DC, DE, MA, MD, NJ, NY, PA, VA, WV). | 2022 to 2026 |
| Hospital rates | Connecticut's inpatient rates and DRG weights. | 2023 to 2026 |
| Capitation rates | What each state pays its managed care plans per member per month, by rate cell, with each state's rate cycle and the document behind every rate. | 2018 to 2027 |
| State directed payments | Every directed payment CMS approved in 32 states, by program and rating period, with the federal share and the approval letter behind each amount. The amounts are approved ceilings, not payments. | 2021 to 2027 |
| Drugs | State drug utilization since 1991; the drug rebate program product file. | 1991 to 2026 |
| The reference | ||
| MACPAC | The MACStats data book, as data. | 2011 to 2026 |
| What is not here | ||
| A state that publishes only a dashboard with export off is not loaded. Capitation rates are held where the state publishes them. | ||
| Never public: claims below the summary files. | ||
Built from 3 CMS release streams. Every table, its columns and its dates