California ›Mountain View

Villa Siena

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1855 Miramonte Avenue, Mountain View, CA 94040 (opens Google Maps) · Santa Clara County · (650) 961-6484· 30 certified beds · avg 29 residents/day · certified since Sep 3, 1986 · Medicaid only — not Medicare certified

Certified for Medicaid only. It cannot bill Medicare, so a short post-hospital rehabilitation stay would not be covered the usual way here. Who pays for nursing home care →

3/5
Health inspection rating (on-site)
inspected Jul 28, 2025
0
Serious findings on record
$0
Fines, last 3 years
6.57
Nurse hours/resident/day (adjusted)

What health inspectors found (on-site government inspections — the most independent evidence available)

New to these records? How to read an inspection report →

Health inspection rating: ★★★☆☆3/5 · CMS overall rating: 1/5 · how star ratings work →

The health inspection star above is graded on a curve within each state — a set share of each state's facilities gets each star level — so a facility can have few citations and still rate 2–3 stars if others in its state did even better. The overall rating combines that inspection score with staffing and quality measures from resident assessments and claims.

Inspection findings in the public record

Showing the latest 3 of 34 inspection findings. Open the full record below to read every finding.

  1. F · Potential for more than minimal harm, widespread

    The facility used bed rails without first trying safer alternatives, or without assessing the resident's safety risk, discussing the risks and benefits with the resident or family, getting consent, and installing the rails correctly. F-0700

  2. E · Potential for more than minimal harm, pattern

    The facility used physical restraints — devices that limit a resident's movement — when they weren't needed for medical treatment. F-0604

  3. E · Potential for more than minimal harm, pattern

    The facility gave residents unnecessary mind-altering (psychotropic) medications, or used drugs in a way that restrained residents by dulling their ability to think, move, or function. F-0605

View all 34 inspection findingsShow only the latest 3 findings

CMS publishes roughly the last three inspection cycles plus recent complaint investigations. Older surveys drop out of the record as new ones are completed — that window is CMS's, not ours. Within it, every citation CMS publishes for this facility is listed here: none excluded.

DateSeverityWhat the facility was cited for
Jul 28, 2025F · Potential for more than minimal harm, widespreadThe facility used bed rails without first trying safer alternatives, or without assessing the resident's safety risk, discussing the risks and benefits with the resident or family, getting consent, and installing the rails correctly. · F-0700
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility used physical restraints — devices that limit a resident's movement — when they weren't needed for medical treatment. · F-0604
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility gave residents unnecessary mind-altering (psychotropic) medications, or used drugs in a way that restrained residents by dulling their ability to think, move, or function. · F-0605
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility did not accurately assess a resident's health and needs. Assessments are the foundation for all the care a resident receives. · F-0641
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility did not develop or follow a complete care plan for each resident — the written roadmap covering all of a resident's needs, with measurable goals and timelines. · F-0656
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility did not develop a resident's complete plan of care within 7 days of the full assessment, or the plan wasn't prepared, reviewed, and updated by a team of health professionals as required. · F-0657
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility did not provide treatment and care that follows the doctor's orders and matches the resident's own preferences and goals. · F-0684
Jul 28, 2025E · Potential for more than minimal harm, patternThe facility did not get its food from approved, safe sources, or did not store, prepare, and serve food according to professional food safety standards. · F-0812
Jul 28, 2025D · Potential for more than minimal harm, isolatedThe facility did not observe each nurse aide's job performance or provide regular training as required. · F-0730
Jul 28, 2025D · Potential for more than minimal harm, isolatedThe facility did not post its nurse staffing information every day. Nursing homes must publicly display how many nurses and aides are on duty each day. · F-0732
Jul 28, 2025D · Potential for more than minimal harm, isolatedThe facility did not label drugs according to professional standards or did not store them in locked compartments, with controlled drugs (medications with a high risk of misuse) kept under a separate lock. · F-0761
Apr 22, 2024F · Potential for more than minimal harm, widespreadThe facility did not develop and follow policies and procedures for offering residents flu and pneumonia vaccinations. · F-0883
Apr 22, 2024E · Potential for more than minimal harm, patternThe facility used physical restraints — devices that limit a resident's movement — when they weren't needed for medical treatment. · from a complaint · F-0604
Apr 22, 2024E · Potential for more than minimal harm, patternThe facility did not accurately assess a resident's health and needs. Assessments are the foundation for all the care a resident receives. · F-0641
Apr 22, 2024E · Potential for more than minimal harm, patternThe facility did not have a registered nurse on duty at least 8 hours a day, or did not have a registered nurse serving full-time as director of nursing. · F-0727
Apr 22, 2024E · Potential for more than minimal harm, patternThe facility did not get its food from approved, safe sources, or did not store, prepare, and serve food according to professional food safety standards. · F-0812
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not develop or follow a complete care plan for each resident — the written roadmap covering all of a resident's needs, with measurable goals and timelines. · F-0656
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not provide safe and appropriate respiratory care — such as oxygen, breathing treatments, or care for residents on breathing equipment — for residents who needed it. · F-0695
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not make sure the resident's doctor reviewed their care and wrote, signed, and dated progress notes and orders at each required visit. · F-0711
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not try to gradually reduce doses of mood- and mind-altering medications or use non-drug approaches first, as required, or used 'as needed' psychiatric drugs without proper limits. · F-0758
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not label drugs according to professional standards or did not store them in locked compartments, with controlled drugs (medications with a high risk of misuse) kept under a separate lock. · F-0761
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not have a policy covering how food brought in by family and visitors is used and stored safely. · F-0813
Apr 22, 2024D · Potential for more than minimal harm, isolatedThe facility did not have or follow an effective program to prevent and control infections — such as proper hand washing, cleaning, and isolation practices. This is the most commonly cited deficiency nationwide. · F-0880
Aug 24, 2023D · Potential for more than minimal harm, isolatedThe facility did not make sure its nurses and nurse aides had the skills and training needed to properly care for every resident. · from a complaint · F-0726
Dec 9, 2022E · Potential for more than minimal harm, patternThe facility did not get its food from approved, safe sources, or did not store, prepare, and serve food according to professional food safety standards. · F-0812
Dec 9, 2022E · Potential for more than minimal harm, patternThe facility did not have or follow an effective program to prevent and control infections — such as proper hand washing, cleaning, and isolation practices. This is the most commonly cited deficiency nationwide. · F-0880
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility provided care that did not meet professional standards of quality — the accepted standards that nurses and other clinicians are expected to follow. · F-0658
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not provide treatment and care that follows the doctor's orders and matches the resident's own preferences and goals. · F-0684
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not make sure residents actually saw their doctor face-to-face at all required visits. Doctors must examine nursing home residents in person on a regular schedule. · F-0712
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not have a registered nurse on duty at least 8 hours a day, or did not have a registered nurse serving full-time as director of nursing. · F-0727
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not post its nurse staffing information every day. Nursing homes must publicly display how many nurses and aides are on duty each day. · F-0732
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not provide pharmacy services that meet each resident's needs, or did not employ or contract with a licensed pharmacist. · F-0755
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not label drugs according to professional standards or did not store them in locked compartments, with controlled drugs (medications with a high risk of misuse) kept under a separate lock. · F-0761
Dec 9, 2022D · Potential for more than minimal harm, isolatedThe facility did not electronically submit complete and accurate staffing information to the government, based on payroll and other verifiable records. · F-0851

Inspection trend by year

Citations from standard inspections stayed about the same across the last two inspection cycles (12 → 11).

Citations by recorded inspection yearPublished citation counts, not a quality score · Source: CMS, 2026-08-01
All citationsSerious citations (G–L)
2022
All citations: 10
Serious citations (G–L): 0
2023
All citations: 1
Serious citations (G–L): 0
2024
All citations: 12
Serious citations (G–L): 0
2025
All citations: 11
Serious citations (G–L): 0

All bars start at zero. Exact values and supporting details remain below.

YearCitationsSerious (G–L)Worst severity that year
2022100E
202310D
2024120F
2025110F

Counts reflect the current CMS public record (~3 inspection cycles plus complaint investigations); years with no surveys show no row. Inspection frequency varies, so compare severity as well as counts.

Fines and enforcement (last 3 years)

How to file a complaint about care →

No fines or payment denials in the published 3-year window.

Nurse staffing (from payroll records, adjusted for how much care residents need)

What these staffing numbers mean →

Nurse time, in contextAdjusted hours per resident per day · Source: CMS, 2026-08-01
This facilityCalifornia averageU.S. average
Total nurse staffing (hours per resident per day)
This facility: 6.57
California average: 4.31
U.S. average: 3.95
Registered Nurse hours
This facility: 0.49
California average: 0.61
U.S. average: 0.69
Weekend total nurse staffing
This facility: 6.32
California average: 3.90
U.S. average: 3.50

All bars start at zero. Exact values and supporting details remain below.

MeasureThis facilityCalifornia avgU.S. avgWhere it stands
Total nurse staffing (hours per resident per day)6.574.313.95top 3% in California; top 2% in the U.S.
Registered Nurse hours0.490.610.69top 47% in California; bottom 37% in the U.S.
Weekend total nurse staffing6.323.903.50top 2% in California; top 1% in the U.S.
Weekend RN hours (not acuity-adjusted)0.400.510.48top 44% in California; top 48% in the U.S.
Total nursing staff turnover (%)15.236.745.8top 3% in California; top 1% in the U.S.
RN turnover (%)—38.142.9—

Hours are per resident per day for the most recent quarter of payroll data in this CMS release (2026-08-01) — the same quarter for every facility — case-mix adjusted by CMS so facilities caring for sicker residents can be compared fairly (same basis as the CMS staffing star). "Top X%" means better than most facilities: more staffing hours, or lower turnover. Raw (unadjusted) reported hours: total 6.04, RN 0.45, weekend 5.81.Comparing with Medicare Care Compare? Care Compare shows the raw figure (6.04 here, displayed there as hours and minutes), not the adjusted one above. Both are correct; they answer different questions. Staffing rating: 1/5.

Quality measures: assessments & claims

Note: CMS combines facility-reported resident assessments (MDS) with claims-based measures. These are different sources from on-site inspection findings. Read the measures alongside inspection and staffing records; a high QM rating does not establish that a home is safe.

Quality measures rating: 1/5 · long-stay residents: 1/5 · short-stay residents: —/5

Costs & payment

Price evidence · separate from quality

No verified facility-specific private-pay price is available in our data for Villa Siena. CMS inspection and staffing records do not tell us what this home will charge you.

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Who owns this facility

How to read ownership records →

Ownership records as published by CMS on 2026-08-01. CMS records when an owner joined but not when they left. Listed here and no longer involved? Tell us →

Non profit - Corporation

Owner / managerTypeRoleStakeSince
Ownership Data Not Available

All 1 owning or managing party CMS has on file are shown — none excluded.

Questions to ask on your visit

Full visit checklist →

Print visit checklist

Generated from this facility's actual citation record — bring them to a tour and ask the administrator directly.

  • "What alternatives do you try before using bed rails, and how do you involve families in that decision?"
  • "What is your policy on physical restraints, and what alternatives do you try first?"
  • "What percentage of your residents are on antipsychotic or sedating medications, and how do you work to reduce that?"
  • "Who completes resident assessments here, and how do you check them for accuracy?"
  • "Can you show me an example care plan, and how are families included when it's created and updated?"
  • "Who is on the team that builds each resident's care plan, and how quickly is it in place after admission?"
  • "How do you make sure each resident's care follows the doctor's orders, and what changed after this citation?"
  • "What did your most recent kitchen inspection find, and can I see how food is stored and prepared?"

Also worth asking anywhere

  • "What is your current ratio of nursing staff to residents on day, evening, and weekend shifts?"
  • "Can I see the plan of correction for the findings in your most recent state inspection?"
  • "CMS reports 15% total nursing staff turnover here — who on the care team has been with you longest?"
  • "Can I visit again unannounced, at a mealtime or on a weekend?"

Nearby facilities (12 closest of 64 within 20 miles)

FacilityDistanceCityOverallInspectionFlags
Camino Ridge Post-Acute0.6 miMountain View, CA★☆☆☆☆1/5
Mountain View Healthcare Center0.7 miMountain View, CA★★★☆☆2/5
Los Altos Post-Acute1.2 miLos Altos, CA★★★☆☆3/5
The Terraces at Los Altos Health Facility2.1 miLos Altos, CA★★★★☆3/5
Sunnyvale Post-Acute Center2.2 miSunnyvale, CA★☆☆☆☆1/5
Idylwood Care Center2.2 miSunnyvale, CA★★★★★4/5
Health Care Ctr at the Forum at Rancho San Antonio2.4 miCupertino, CA★★★★☆2/5
Sunnyvale Gardens Post Acute3.5 miSunnyvale, CA★★★☆☆2/5
Sunny View Manor3.6 miCupertino, CA★★★★★4/5
Cupertino Healthcare & Wellness Center4.0 miCupertino, CA★★★☆☆3/5
Cedar Crest Nursing and Rehabilitation Center4.1 miSunnyvale, CA★★★★☆3/5
Palo Alto Post-Acute6.1 miPalo Alto, CA★★★★☆3/5

Compare this facility with the 3 closest →

Other facilities in the same county

CMS records place this facility in Santa Clara, CA — 50 certified facilities there. These are outside the 20-mile list above, or far enough down it not to appear.

Listed by facility name — not a ranking. Homes already in the table above are not repeated here.

All facilities in Mountain View →

Facility data as of CMS processing date 2026-08-01. CCN 05A364.

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