Historical Hospital Patient Safety Indicators (PSI) Dataset

The CMS Historical Hospital Patient Safety Indicators (PSI) Dataset contains hospital-level data on Patient Safety Indicators.

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.HOSPITAL_PATIENT_SAFETY_INDICATORS_PSI_DATASET on Snowflake and Databricks — coverage from 2017 to 2019 in a single aligned 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.HOSPITAL_PATIENT_SAFETY_INDICATORS_PSI_DATASET
Databricks	cms_dwv.hospital_patient_safety_indicators_psi_dataset
Coverage	Oct 2017 – Sep 2019
Rows	8,174 (total across all reporting periods)
Update pattern	Time-partitioned — each file adds one reporting period
CMS published	2019-09-23
Loaded	2025-05-18
Columns	21 data + 6 lineage
Identifiers	ZIP codes
File versions	5
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 2019-09-23 — awaiting the next release. New files load automatically when CMS publishes.

Time-partitioned feed — each file version covers one reporting period, so history is additive. Query the full table for all periods; filter on the reporting period columns for a single period. Do not filter to the latest file only — that would return just the 2019 reporting period.

Sample queries

Snowflake

-- Each file version covers one reporting period (2017, 2018, 2019) — history is additive
SELECT *
FROM DWV.HOSPITAL_PATIENT_SAFETY_INDICATORS_PSI_DATASET
LIMIT 100;

Databricks

About this feed

The CMS Historical Hospital Patient Safety Indicators (PSI) Dataset contains hospital-level data on Patient Safety Indicators.

— Source: CMS feed metadata

Keywords: Medicare, Historical Hospital Patient Safety Indicators (PSI) Dataset Theme: Medicare

Coverage timeline

2017 🟩 · 2018 🟩 · 2019 🟩

3 of 3 years covered — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2019-09-23 – 2019-09-23	2019-09-23	2025-05-18	✓
2018-09-21 – 2018-09-21	2018-09-21	2025-05-18
2018-07-10 – 2018-07-10	2018-07-10	2025-05-18
2018-02-06 – 2018-02-06	2018-02-06	2025-05-18
2017-10-16 – 2017-10-16	2017-10-16	2025-05-18

Data dictionary

📋 21 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Historical Hospital Patient Safety Indicators (PSI) Dataset data dictionary.

Data columns

Column	Type
FACILITY_ID	TEXT
FACILITY_NAME	TEXT
ADDRESS	TEXT
CITY	TEXT
STATE	TEXT
ZIP_CODE	NUMBER
COUNTY_NAME	TEXT
MEASURE_ID	TEXT
MEASURE_NAME	TEXT
DENOMINATOR	TEXT
OBSERVED_RATE_PER_1_000	TEXT
FOOTNOTE	TEXT
START_DATE	DATE
END_DATE	DATE
PHONE_NUMBER	TEXT
PROVIDER_ID	TEXT
HOSPITAL_NAME	TEXT
NUMERATOR	TEXT
FOOTNOTES	TEXT
MEASURE_START_DATE	DATE
MEASURE_END_DATE	DATE

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.FACILITY_ID, d.FACILITY_NAME, d.ADDRESS,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.HOSPITAL_PATIENT_SAFETY_INDICATORS_PSI_DATASET d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID;

Source & provenance

Published by the Centers for Medicare & Medicaid Services.

• Official CMS documentation

Frequently asked questions

How often is Historical Hospital Patient Safety Indicators (PSI) Dataset updated?

CMS last published this feed on 2019-09-23. New releases are added automatically when CMS publishes them.

What years does Historical Hospital Patient Safety Indicators (PSI) Dataset cover?

2017 through 2019.

How many records are in Historical Hospital Patient Safety Indicators (PSI) Dataset?

8,174 rows across all five reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.

How do I get Historical Hospital Patient Safety Indicators (PSI) Dataset 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.HOSPITAL_PATIENT_SAFETY_INDICATORS_PSI_DATASET directly — no pipeline setup required.

Related feeds

Footnote CrosswalkManaging Clinician Aggregation Group PerformanceInnovation Center Innovation AdvisorsTimely and Effective Care - HospitalHealthcare Associated Infections - State

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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