Medicare Demonstrations

The Medicare Demonstrations dataset provides information on demonstrations conducted in the CMS Innovation Center.

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.MEDICARE_DEMONSTRATIONS on Snowflake and Databricks — two annual reporting periods (2019–2024) aligned to a single schema, refreshed automatically whenever CMS publishes a new file. Every row carries lineage back to the exact CMS source file that produced it.

Key facts

Snowflake	DWV.MEDICARE_DEMONSTRATIONS
Databricks	cms_dwv.medicare_demonstrations
Coverage	Jan 2019 – Dec 2024 (2 of 6 annual reporting periods)
Rows	84 (total across all reporting periods)
Cadence	Annual
Update pattern	Time-partitioned — each file adds one reporting year
CMS published	2024-04-12
Loaded	2024-04-13
Columns	6 data + 6 lineage
File versions	2
License	CMS public data — U.S. Government work
Platforms	Snowflake Marketplace · Databricks Delta Sharing

Included in the CMS Data Feeds Dataset — start a free trial on Snowflake Marketplace.

Last CMS publication 2024-04-12 — awaiting the next release. New files load automatically when CMS publishes.

Time-partitioned feed — each file version covers one reporting year, so history is additive. Query the full table for all years; filter on YEAR for a single period. Do not filter to the latest file only — that would return just the 2024 reporting year.

Sample queries

Snowflake

-- Each file version covers one reporting period (2019, 2024) — history is additive
SELECT *
FROM DWV.MEDICARE_DEMONSTRATIONS
LIMIT 100;

Databricks

About this feed

The Medicare Demonstrations dataset provides information on demonstrations conducted in the CMS Innovation Center. It includes the demonstration project name, type, description, year, and website for the demonstration page.

— Source: CMS feed metadata

Keywords: Medicare, Original Medicare, Value-Based Care, Payment Models Theme: Medicare

Coverage timeline

2019 🟩 · 2020 ⬜ · 2021 ⬜ · 2022 ⬜ · 2023 ⬜ · 2024 🟩

2 of 6 annual reporting periods present — gaps: 2020, 2021, 2022, 2023.

Release history

Reporting period	CMS published	Loaded	Latest file
2024-01-01 – 2024-12-31	2024-04-12	2024-04-13	✓
2019-01-01 – 2019-12-31	2021-01-04	2023-08-29

Data dictionary

📋 6 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Medicare Demonstrations data dictionary.

Data columns

Column	Type
DEMONSTRATION_PROJECT_NAME	TEXT
DEMONSTRATION_TYPE	TEXT
YEAR	TEXT
DESCRIPTION	TEXT
URL	TEXT
UNIQUE_ID	NUMBER

Lineage columns (present on every feed table)

Column	Type	Description
ROW_ID	TEXT	Unique row ID for this table (PK)
FILE_ID	TEXT	Source file — joins to FEEDS_FILES.ID (FK)
FILE_FEED_ID	TEXT	Parent feed — joins to FEEDS.ID (FK)
FILE_NAME	TEXT	Source file name as published by CMS
ROWNUM	NUMBER	Row number within the source file
CREATED_AT	TIMESTAMP_NTZ	Timestamp when the record was loaded

Row-level lineage

Every row in this table traces to the exact CMS source file that produced it. The FILE_ID column joins to the FEEDS_FILES catalog table, and FILE_FEED_ID joins to the FEEDS master table:

Trace any row back to its source file and reporting period:

SELECT d.DEMONSTRATION_PROJECT_NAME, d.DEMONSTRATION_TYPE, d.YEAR,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.MEDICARE_DEMONSTRATIONS d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID;

Source & provenance

Published by the Centers for Medicare & Medicaid Services (bureau 009:38).

• Official CMS data dictionary

• Medicare Demonstrations Methodology

Frequently asked questions

How often is Medicare Demonstrations updated?

Annually. CMS last published this feed on 2024-04-12, and Dataplex loaded it to the warehouse on 2024-04-13. New releases are added automatically when CMS publishes them.

What years does Medicare Demonstrations cover?

2019 through 2024 — two annual reporting periods with gaps in 2020, 2021, 2022, 2023. Each reporting year arrives as its own file version, and all years remain queryable side by side.

How many records are in Medicare Demonstrations?

84 rows across all two reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.

How do I get Medicare Demonstrations data?

It's included in the CMS Data Feeds Dataset on the Snowflake Marketplace (free trial available) and via Databricks Delta Sharing. Once mounted, query DWV.MEDICARE_DEMONSTRATIONS directly — no pipeline setup required.

Related feeds

Advance Investment Payment Spend PlanACO Realizing Equity, Access and Community Health Eligible BeneficiariesAccountable Care OrganizationsPerformance Year Financial and Quality ResultsPioneer ACO Model

Get this feed

1. Start a free trial on Snowflake Marketplace or purchase via Databricks

2. Mount the share — the database and DWV schema appear in your account immediately

3. Run the sample query above — no ETL, no pipeline maintenance

Questions about this feed? Contact us at [e-mail].

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