# CMS Care Compare HCAHPS — Hospital patient-experience survey

`medicare_silver.fact_hcahps` · Medicare Advantage, Part D, Medicaid · status live · 4,208,689 rows

The HCAHPS hospital patient-experience survey (CMS Care Compare): one long-format row per hospital CCN and HCAHPS measure for each reporting_year, carrying patient-survey star rating, answer percent, linear-mean value, completed surveys, and response rate.

**Grain.** One row per (reporting_year, CCN × HCAHPS measure) — long-format measure row; writer key (reporting_year,row_seq).

| column | type | meaning |
|---|---|---|
| reporting_year | int |  |
| row_seq | bigint |  |
| ccn | string |  |
| facility_name | string |  |
| state | string |  |
| zip_code | string |  |
| county | string |  |
| hcahps_measure_id | string |  |
| hcahps_question | string |  |
| hcahps_answer_description | string |  |
| start_date | string |  |
| end_date | string |  |
| star_rating | double |  |
| answer_percent | double |  |
| linear_mean_value | double |  |
| completed_surveys | double |  |
| response_rate_percent | double |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |
| source_id | string |  |
| is_current | boolean |  |
| bronze_object_key | string |  |
| s3_version_id | string |  |
| vintage_tag | string |  |
| drug_source_version_id | string |  |

Tools that read it: get_hospital_quality

Query it: `query_substrate` with `SELECT ... FROM medicare_silver.fact_hcahps WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.fact_hcahps")` first.