# Community Health Systems

**Canonical:** https://apis.io/providers/community-health-systems/  
**Website:** https://www.chs.net  
**APIs profiled:** 5

Community Health Systems (CHS) is a Fortune 500 hospital operator that owns, leases, and operates general acute care hospitals across the United States. In compliance with the CMS Interoperability and Patient Access Final Rule (CMS-9115-F), CHS publishes FHIR R4 healthcare interoperability APIs that allow third-party applications to access patient demographics and clinical data, adjudicated claims and encounters, formulary information, and provider directory data. The APIs use the HL7 FHIR R4 standard and SMART-on-FHIR authorization for patient-scoped access.

## Kin Score — 32.9 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 32.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 60.1 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Health**: 42.5 (matched via tags).

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: high).

## APIs (5)

- **Community Health Systems Provider Directory API** — FHIR R4 read API exposing provider and pharmacy directory data in compliance with CMS interoperability requirements. Third-party applications can search Practitioner, Organizati...
- **Community Health Systems Claims API** — Adjudicated claims and encounter data
- **Community Health Systems Formulary API** — Formulary and medication data
- **Community Health Systems Patient API** — Patient demographic and clinical data
- **Community Health Systems Practitioner API** — Provider information

## Agentic access (1)

- **Community Health Systems Agentic Access** — 4 operations

## Security (2)

- **Community Health Systems Authentication** — oauth2 · 1 scheme
- **Community Health Systems Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Community Health Systems Plans Pricing**

## Tags

CMS-9115-F, FHIR, Healthcare, Hospitals, Interoperability, Patient Access, Provider Directory, SMART on FHIR, Fortune 500

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/community-health-systems/). Scores are computed from the provider's own public artifacts under a published rubric.