Multiple Chronic Conditions

The Multiple Chronic Conditions dataset provides information on the number of chronic conditions among Original Medicare beneficiaries.

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.MULTIPLE_CHRONIC_CONDITIONS on Snowflake and Databricks — 12 annual reporting periods (2007–2018) 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.MULTIPLE_CHRONIC_CONDITIONS
Databricks	cms_dwv.multiple_chronic_conditions
Coverage	Jan 2007 – Dec 2018 (12 of 12 annual reporting periods)
Rows	539,712 (total across all reporting periods)
Cadence	Annual
Update pattern	Time-partitioned — each file adds one reporting year
CMS published	2022-01-10
Loaded	2023-08-29
Columns	12 data + 6 lineage
File versions	12
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 2022-01-10 — 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 the reporting period columns for a single period. Do not filter to the latest file only — that would return just the 2018 reporting year.

Sample queries

Snowflake

-- Each file version covers one reporting period — history is additive
SELECT *
FROM DWV.MULTIPLE_CHRONIC_CONDITIONS
LIMIT 100;

Databricks

About this feed

The Multiple Chronic Conditions dataset provides information on the number of chronic conditions among Original Medicare beneficiaries. The dataset contains prevalence, use and spending organized by geography and the count of chronic conditions from the set of select 21 chronic conditions. The count of conditions is grouped into four categories (0-1, 2-3, 4-5 and 6 or more).

— Source: CMS feed metadata

Keywords: National, States & Territories, Counties, Medicare, Original Medicare, Chronic Conditions, Co-morbidity, Health Care Use & Payments, Health Equity Theme: Medicare

Coverage timeline

2007–2018 🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 (🟩 covered · ⬜ no data)

12 of 12 annual reporting periods present — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2018-01-01 – 2018-12-31	2022-01-10	2023-08-29	✓
2017-01-01 – 2017-12-31	2020-11-06	2023-08-29
2016-01-01 – 2016-12-31	2020-11-06	2023-08-29
2015-01-01 – 2015-12-31	2020-11-06	2023-08-29
2014-01-01 – 2014-12-31	2020-11-06	2023-08-29
2013-01-01 – 2013-12-31	2020-11-06	2023-08-29
2012-01-01 – 2012-12-31	2020-11-06	2023-08-29
2011-01-01 – 2011-12-31	2020-11-06	2023-08-29
2010-01-01 – 2010-12-31	2020-11-06	2023-08-29
2009-01-01 – 2009-12-31	2021-01-22	2023-08-29

Show 2 earlier file versions

Reporting period	CMS published	Loaded	Latest file
2008-01-01 – 2008-12-31	2021-01-22	2023-08-29
2007-01-01 – 2007-12-31	2020-11-06	2023-08-29

Data dictionary

📋 12 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Multiple Chronic Conditions data dictionary.

Data columns

Column	Type
BENE_GEO_LVL	TEXT
BENE_GEO_DESC	TEXT
BENE_GEO_CD	NUMBER
BENE_AGE_LVL	TEXT
BENE_DEMO_LVL	TEXT
BENE_DEMO_DESC	TEXT
BENE_MCC	TEXT
PRVLNC	NUMBER
TOT_MDCR_STDZD_PYMT_PC	NUMBER
TOT_MDCR_PYMT_PC	NUMBER
HOSP_READMSN_RATE	NUMBER
ER_VISITS_PER_1000_BENES	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.BENE_GEO_LVL, d.BENE_GEO_DESC, d.BENE_GEO_CD,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.MULTIPLE_CHRONIC_CONDITIONS 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 Chronic Conditions Methodology

Frequently asked questions

How often is Multiple Chronic Conditions updated?

Annually. CMS last published this feed on 2022-01-10, and Dataplex loaded it to the warehouse on 2023-08-29. New releases are added automatically when CMS publishes them.

What years does Multiple Chronic Conditions cover?

2007 through 2018 — 12 annual reporting periods with no gaps. Each reporting year arrives as its own file version, and all years remain queryable side by side.

How many records are in Multiple Chronic Conditions?

539,712 rows across all 12 reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.

How do I get Multiple Chronic Conditions 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.MULTIPLE_CHRONIC_CONDITIONS directly — no pipeline setup required.

Related feeds

Specific Chronic ConditionsMedicare Geographic Variation - by National, State & CountyMedicare Inpatient Hospitals - by Geography and ServiceMedicare Outpatient Hospitals - by Geography and ServiceMarket Saturation & Utilization State-County

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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