CMS Data Research Dataset
The CMS Data Research Dataset is a comprehensive collection of CMS data feeds from cms.data.gov/data-research, dating back to 2001. This dataset offers:
A view per feed with aligned and properly casted file attributes
Automatic updates when new feed files are received
Addition of new views as new CMS data research feeds are published
As of December 2023, 16 feeds with over 2500 files
Available on the Snowflake Marketplace
A free trial is available, providing access to the dataset for fourteen days and including the first 1,500 rows from every feed file table.
See the full list of feeds included in the CMS Data Research Catalog.
Dataset Features
Extensive coverage of CMS data feeds
Automatic daily updates
Properly aligned and casted attributes for each feed
Views that are automatically updated with new feed files
Expandable dataset with new feeds added as they become available
Easy access through the Snowflake Marketplace
Data Quality and Maintenance
At Dataplex Consulting & Data Products, we prioritize data quality:
Daily monitoring of ingestion and ETL jobs
Automated data quality checks to prevent bad data from reaching customers
Timely updates when CMS publishes new information
Consistent data structure across feeds for ease of use
Business Applications
The CMS Data Research Dataset can be utilized for various purposes, including:
Enriching or augmenting existing datasets
Analyzing published feed metrics over time
Performing segmentation analysis
Training machine learning models
Conducting geospatial analysis
Example Use Cases
Analyzing enrollment counts by plan
Tracking eligible and enrolled individuals in Part-D Plans by location
Monitoring Special Needs Dual-Eligible Enrollment Counts over time
Examining enrollment metrics by state
Accessing the most recent plan crosswalk data
Data Structure
The dataset includes 16 feeds as of December 2023:
2015 Part C&D Plan Crosswalk
Enrollment by Contract
MA Contract Service Area
MA Enrollment by SCC
MA Enrollment by SCP
MA State/County Penetration
Monthly Enrollment by CPSC
Monthly Enrollment by Plan
Monthly Enrollment by State
PBP Benefits 2017
PDP Contract Service Area
PDP Enrollment by SCC
PDP Enrollment by SCP
PDP State/County Penetration
SNP Comprehensive Report
State Service Area
Entity Relationship Diagram
Sample Queries
Query the Enrollment Count by Plan as of October 2019
Query the Eligible and Enrolled in Part-D Plans in West Baton Rouge by Month
Support and Contact
For any questions or assistance with the CMS Data Research Dataset:
Daily monitoring and support provided by the Dataplex Consulting & Data Products team
About Dataplex
Dataplex Consulting & Data Products offers:
Top-notch, turnkey data products
Data pipelines with automatic quality checks and active monitoring
20+ years of experience serving businesses of all sizes
Expertise in enhancing data management, boosting revenue, and promoting data-driven decision-making
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