Nursing Homes · Mountain View, CA
Assisted Living, Nursing Homes · Medicare certified
Villa Siena
1855 Miramonte Avenue · Mountain View, CA 94040 · Lic. #430708114 (CA) · 30 certified beds
Licensed · Verify with the state (opens in a new tab)
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About Villa Siena
Villa Siena is an assisted living community in Mountain View, California. Its capacity is 30 beds, above the Santa Clara County median of 6 for assisted living communities. The CA licensing record lists its status as "LICENSED". It is run by a nonprofit operator. It is Medicare certified. Its public inspection record shows 34 citations, the most recent on July 28, 2025. Enforcement records show no fine or payment denial against it. Nurse staffing averages 5.65 hours per resident per day. It is one of 6 assisted living communities listed in Mountain View. Residents and families can raise concerns with the Office of the State Long-Term Care Ombudsman at 1-800-231-4024. Its public records were last updated in November 2026.
Public record
CMS Care Compare, updated October 2026
Certification
Medicare-certified.
Ratings
Overall
1.0Staffing
1.0Quality measures
1.0CMS Care Compare (nursing home rating), October 2026.
Inspection history (34)
Records from December 2022 to July 2025.
April 22, 2024
Tag F0880Provide and implement an infection prevention and control program.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected May 9, 2024.
April 22, 2024
Tag F0812Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Severity E: pattern, no actual harm, potential for more than minimal harm. Corrected May 9, 2024.
April 22, 2024
Tag F0813Have a policy regarding use and storage of foods brought to residents by family and other visitors.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected May 9, 2024.
August 24, 2023
Tag F0726Ensure that nurses and nurse aides have the appropriate competencies to care for every resident in a way that maximizes each resident's well being.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected August 25, 2023.
December 9, 2022
Tag F0761Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0880Provide and implement an infection prevention and control program.
Severity E: pattern, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0684Provide appropriate treatment and care according to orders, resident’s preferences and goals.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0712Ensure that the resident and his/her doctor meet face-to-face at all required visits.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0851Electronically submit to CMS complete and accurate direct care staffing information, based on payroll and other verifiable and auditable data.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0658Ensure services provided by the nursing facility meet professional standards of quality.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0755Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0727Have a registered nurse on duty 8 hours a day; and select a registered nurse to be the director of nurses on a full time basis.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0732Post nurse staffing information every day.
Severity D: isolated, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
December 9, 2022
Tag F0812Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Severity E: pattern, no actual harm, potential for more than minimal harm. Corrected January 8, 2023.
Penalties
CMS lists no fines or payment denials for this nursing home in the last three years.
Staffing
5.65 nurse hours per resident per day in Q2 2026, down from 6.12 in Q4 2025.
From the payroll records nursing homes file with CMS.
Ownership
Non profit - Corporation
Typical cost
CareScout Cost of Care Survey, 2025
This provider's prices aren't public. Here is what the same care typically costs in California.
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