Unplanned Hospital Visits - Hospital
Hospital level measures of unplanned readmissions, hospital return days, and unplanned visits after outpatient procedures.
Freshness
- Last posted
- Period covered
- Update frequency
Dates as CMS lists them in its catalog. CMS last changed the data itself on Sep 10, 2026.
Columns 20
The Provider Data Catalog lists only column headers in machine-readable form. Full definitions are in the data dictionary.
| Column | What it means | Type |
|---|---|---|
Facility IDfacility_id | text | |
Facility Namefacility_name | text | |
Addressaddress | text | |
City/Towncitytown | text | |
Statestate | text | |
ZIP Codezip_code | text | |
County/Parishcountyparish | text | |
Telephone Numbertelephone_number | text | |
Measure IDmeasure_id | text | |
Measure Namemeasure_name | text | |
Compared to Nationalcompared_to_national | text | |
Denominatordenominator | text | |
Scorescore | text | |
Lower Estimatelower_estimate | text | |
Higher Estimatehigher_estimate | text | |
Number of Patientsnumber_of_patients | text | |
Number of Patients Returnednumber_of_patients_returned | text | |
Footnotefootnote | text | |
Start Datestart_date | text | |
End Dateend_date | text |
No column matches that filter.
At a glance
- Catalog
- Provider Data Catalog
- Publisher
- Centers for Medicare & Medicaid Services (CMS)
- Rows
- 67,060
- Columns
- 20
- State column
state- Topics
- Hospitals
API
Free, no key needed. This request returns the first 10 rows as JSON:
https://data.cms.gov/provider-data/api/1/datastore/query/632h-zaca/0?limit=10
To keep only one state, filter on the state column.
CMS's description
Unplanned Hospital Visits: provider data. This data set includes provider data for the hospital return days (or excess days in acute care [EDAC]) measures, the unplanned readmissions measures, and measures of unplanned hospital visits after outpatient procedures.
The summary at the top was written by hand from this description. Record id pdc:632h-zaca. This record as JSON.