CMS Data Research Catalog
Comprehensive catalog of CMS Data Research Dataset tables
Browse available CMS Research Data tables below. Each entry includes description and metadata. Last Updated: 01/21/2025
2025 Part C&D Plan Crosswalk
Description: Provides the list of annual plan crosswalks for all organization types.
Table Name: plan_crosswalks
Enrollment by Contract
Description: Provides monthly enrollment for each contract. This report contains all organization types.
Table Name: monthly_enrollment_by_contract
MA Contract Service Area
Description: Provides contract service area by state and county for all organization types except for PDP and employer-direct PDP.
Table Name: ma_contract_service_area_by_state_county
MA Enrollment by SCC
Description: Provides monthly enrollment at the state/county/contract level for all organization types except for PDP and employer-direct PDP. Note: An abridged version is also provided that excludes rows with 10 or less enrollees.
Table Name: monthly_ma_enrollment_by_state_county_contract
MA Enrollment by SCP
Description: Provides the monthly enrollment at the state/county/plan type (Plan Benefit Package type) for all organization types except for PDP and employer-direct PDP organizations.
Table Name: monthly_ma_enrollment_by_state_county_plan_type
MA State/County Penetration
Description: Provides MA market penetration rates at the state/county level.
Table Name: ma_state_county_penetration
Monthly Enrollment by CPSC
Description: Provides monthly enrollment at the contract/plan/state/county level for all organization types.
Table Name: monthly_enrollment_by_contract_plan_state_county
Monthly Enrollment by Plan
Description: Provides monthly enrollment at the contract/plan level for all organization types.
Table Name: monthly_enrollment_by_plan
Monthly Enrollment by State
Description: Provides monthly the number of Medicare members (eligibles), MA enrolled, Other enrolled and PDP enrolled for each state.
Table Name: monthly_enrollment_by_state
PBP Benefits - 2025 (updated as of 10/23/2024)
Description: Provides approved MA and Part D benefits information for all organizations that submit a bid.
Table Name: benefits_data
PDP Contract Service Area
Description: Provides contract service area by state and county for PDP and employer-direct PDP organizations.
Table Name: pdp_contract_service_area_by_state_county
PDP Enrollment by SCC
Description: Provides monthly enrollment at the state/county/contract level for PDP and employer-direct PDP organizations. Note: An abridged version is also provided that excludes rows with 10 or less enrollees.
Table Name: monthly_pdp_enrollment_by_state_county_contract
PDP Enrollment by SCP
Description:
Table Name: monthly_pdp_enrollment_by_state_county_plan_type
PDP State/County Penetration
Description: Provides PDP market penetration rates at the state/county level.
Table Name: pdp_state_county_penetration
SNP Comprehensive Report
Description: Provides monthly plan enrollment for each SNP and provides totals by SNP type.
Table Name: special_needs_plan_snp_data
State Service Area
Description: Provides the list of states covered in whole or in part by each contract. This file contains all organization types.
Table Name: state_service_area
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