Villa Siena: Staffing, Turnover, and Inspection Record
Villa Siena is a 30-bed nonprofit nursing home in Mountain View, California. In the CMS August 2026 release it reported 3.71 nurse aide hours per resident per day, 40% above the California average of 2.65, and 15.2% nursing staff turnover (California average 36.7%).
Villa Siena
1855 Miramonte AvenueMountain View, CA 94040
Santa Clara County
CMS Care Compare, August 2026 release
How many staff hours residents get
CMS reports staffing as hours per resident per day, from the payroll records each home submits. At Villa Siena, nurse aides logged 3.71 hours per resident per day, 40% above the California average. With about 29 residents a day, that works out to roughly 106 aide hours a day, or about 13 eight-hour aide shifts across day, evening, and night. On weekends, total nursing hours per resident ran 4% below the all-days figure.
CMS note: The facility reported a high number of days without a registered nurse on site.
| Hours per resident per day | This home | California avg | US avg |
|---|---|---|---|
| Nurse aides (CNAs) | 3.71 | 2.65 | 2.32 |
| Licensed practical nurses | 1.88 | 1.20 | 0.86 |
| Registered nurses | 0.45 | 0.67 | 0.69 |
| All nursing staff | 6.04 | 4.52 | 3.86 |
| All nursing staff, weekends | 5.81 | 4.09 | 3.42 |
CMS Care Compare, August 2026 release: reported staffing hours from Payroll-Based Journal data, and CMS state and US averages.
Staff turnover
15.2% of nursing staff at Villa Siena left over the year CMS measured, against a California average of 36.7% and a US average of 45.8%. No administrators left over the same period.
Inspections and penalties
State inspectors last completed a standard health inspection on Jul 28, 2025. The most recent inspection cycle, which also counts complaint and infection-control inspections from the past 12 months, found 11 health deficiencies (California average 15.7). CMS lists no fines or payment denials for this home in the last three years.
CMS star ratings
CMS rates every nursing home from one to five stars overall and on health inspections, staffing, and quality measures. Villa Siena holds 1 of 5 overall; the California average is 3.2.
About Villa Siena
- Ownership: Non profit - Corporation
- Legal name: Legal Business Name Not Available
- Medicare and Medicaid certified since: Sep 3, 1986
- Councils: resident council
- Area: urban
Nursing homes near Villa Siena
The closest homes by distance, with the same CMS figures. Select a column to sort.
| Camino Ridge Post-Acute Mountain View | 0.5 | 102 | 2.29 | 4.16 | 59.2% | 1 | $8,428 |
| Mountain View Healthcare Center Mountain View | 0.7 | 129 | 2.37 | 4.08 | 37.7% | 3 | $54,912 |
| Los Altos Post-Acute Los Altos | 1.2 | 152 | 2.44 | 4.15 | 52.4% | 3 | None |
| The Terraces at Los Altos Health Facility Los Altos | 2.1 | 30 | 2.90 | 5.45 | 47.1% | 4 | None |
| Sunnyvale Post-Acute Center Sunnyvale | 2.2 | 99 | 2.48 | 4.20 | 30.9% | 1 | None |
| Idylwood Care Center Sunnyvale | 2.2 | 185 | 3.98 | 6.07 | 30.9% | 5 | None |
| Health Care Ctr at the Forum at Rancho San Antonio Cupertino | 2.4 | 48 | 3.32 | 5.75 | 28.8% | 4 | None |
| Sunnyvale Gardens Post Acute Sunnyvale | 3.5 | 140 | 2.34 | 3.88 | 47.7% | 3 | $43,176 |
Aide hrs and all nurse hrs are staff hours per resident per day. Fines are the CMS total for the last three years. Turnover is the share of nursing staff who left over a year. All figures from CMS Care Compare.
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Source: CMS Care Compare Provider Information, State and US Averages, and Penalties files, August 2026 release. Figures are as CMS publishes them; check Medicare Care Compare for the latest. Methodology.