# CMS Provider Data Catalog API (Care Compare)

**Canonical:** https://apis.io/apis/cms/cms-provider-data-catalog/  
**Provider:** Centers for Medicare and Medicaid Services — https://apis.io/providers/cms/  
**Base URL:** https://data.cms.gov/provider-data/api/1/  
**Documentation:** https://data.cms.gov/provider-data/

CMS Provider Data Catalog API (Care Compare) is one of 41 APIs that [Centers for Medicare and Medicaid Services](https://apis.io/providers/cms/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Care Compare, Dialysis Compare, Hospital Compare, Nursing Home Compare, and Provider Data. The published artifact set on APIs.io includes API documentation.

The Provider Data Catalog API (formerly Hospital Compare) exposes the Medicare.gov Care Compare datasets including Hospital, Nursing Home, Home Health, Hospice, Physician, Long-Term Care Hospital, Inpatient Rehab, and Dialysis Facility quality measures as DCAT-based datasets with Datastore query endpoints.

## Machine-readable artifacts (3)

- **Website** — https://data.cms.gov/provider-data/
- **Documentation** — https://data.cms.gov/provider-data/docs
- **Metastore** — https://data.cms.gov/provider-data/api/1/metastore/schemas/dataset/items

## Other Centers for Medicare and Medicaid Services APIs (12)

- [CMS Data at the Point of Care (DPC) API](https://apis.io/apis/cms/cms-data-at-the-point-of-care-dpc-api/)
- [CMS Finder API](https://apis.io/apis/cms/cms-finder-api/)
- [CMS Quality Payment Program (QPP) Submissions API](https://apis.io/apis/cms/cms-quality-payment-program-qpp-submissions-api/)
- [Centers for Medicare and Medicaid Services API Reference API](https://apis.io/apis/cms/cms-api-reference-api/)
- [Centers for Medicare and Medicaid Services Bulk Data API](https://apis.io/apis/cms/cms-bulk-data-api/)
- [Centers for Medicare and Medicaid Services Code Search API](https://apis.io/apis/cms/cms-code-search-api/)
- [Centers for Medicare and Medicaid Services Cost Search API](https://apis.io/apis/cms/cms-cost-search-api/)
- [Centers for Medicare and Medicaid Services Enrollments API](https://apis.io/apis/cms/cms-enrollments-api/)
- [Centers for Medicare and Medicaid Services Geography API](https://apis.io/apis/cms/cms-geography-api/)
- [Centers for Medicare and Medicaid Services Households & Eligibility API](https://apis.io/apis/cms/cms-households-eligibility-api/)
- [Centers for Medicare and Medicaid Services Insurance Issuers API](https://apis.io/apis/cms/cms-insurance-issuers-api/)
- [Centers for Medicare and Medicaid Services Insurance Plans API](https://apis.io/apis/cms/cms-insurance-plans-api/)

## Tags

Care Compare, Dialysis Compare, Hospital Compare, Nursing Home Compare, Provider Data, Quality

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cms/cms-provider-data-catalog/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cms/.