Surgery Center Benchmarks SIERRA ENDOSCOPY CENTER, LLC
300 SIERRA COLLEGE DRIVE, SUITE 105, GRASS VALLEY, CA 95945 · (530) 272-0527
CMS Certification Number 05C0001554
- Operating rooms
- 2
- Procedure rooms
- 0
- Ownership
- Proprietary
Case types filed with CMS
Hospital visits after surgery
CMS risk-standardized rate of a hospital visit within 7 days, per 100 cases. The pale band is the 95% interval — where it overlaps the national mark, this center is not meaningfully different from average.
Safety and process measures
No safety measures reported for this center.
What patients said
| Measure | Score (0–100) |
|---|---|
| Overall rating of the facility | 97 |
| Would recommend the facility | 97 |
| Facilities and staff | 99 |
| Communication about the procedure | 96 |
289 completed surveys · 30% response rate · Survey period 10/01/2024 – 09/30/2025
Sources: CMS Provider of Services file (iQIES, 2026 Q2) — address, case types, room counts; CMS ASCQR facility-level file (reporting year 2024) — quality measures; CMS OAS CAHPS facility file — patient experience. Rates are reproduced as CMS publishes them; nothing here is scored or weighted by us. Not medical advice.