Surgery Center Benchmarks

VIRGINIA MASON MEDICAL CENTER

19116 33RD AVE W, LYNNWOOD, WA 98036 · (360) 223-6000

CMS Certification Number 50C0001207

Operating rooms
2
Procedure rooms
0
Ownership
Non-Profit

Case types filed with CMS

EndoscopyPain management

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.

This center National rate
Colonoscopy 671 cases
Colonoscopy: 10.3 · national 9.9 · 95% interval 7.4–14.2 · 671 cases · No Different Than the National Rate 10.3
No Different Than the National Rate

Also filed, without a publishable rate: Urology.

Safety and process measures

MeasureRateNote
Patient burn 0
Patient fall 0
Wrong site / side / patient / procedure / implant 0
Hospital transfer or admission 0.065

What patients said

MeasureScore (0–100)
Overall rating of the facility95
Would recommend the facility94
Facilities and staff99
Communication about the procedure96

451 completed surveys · 25% 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.