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