St John Kronstadt Convalescent Center
Castro Valley, CA · Medicare and Medicaid-certified nursing home (CCN 555016) · 49 certified beds
Health inspection: 4 · Quality measures: 5 · Staffing: 5
Federal fines: none on current record
Phone: (510) 889-7000 · Verify on Medicare Care Compare ↗
St John Kronstadt Convalescent Center has a CMS overall rating of 5 stars, above the California state average of 3.16 stars. Its health inspection rating is 4 stars and its staffing rating is 5 stars.
St John Kronstadt Convalescent Center reports total nurse staffing of 4.22 hours per resident per day, including 0.69 RN hours per resident per day, with a staffing star rating of 5. Nursing staff turnover is reported at 12.2%.
St John Kronstadt Convalescent Center has no federal fines on record, with 0 fines totaling $0.00 and 0 payment denials. No abuse icon or Special Focus Facility status is indicated in the CMS data for this facility.
About this facility
St John Kronstadt Convalescent Center is a non-profit corporation-owned nursing home in Castro Valley, Alameda County, California, certified for Medicare and Medicaid since May 1976. The facility is certified for 49 beds and averages 42.6 residents.
According to CMS Care Compare data, St John Kronstadt Convalescent Center holds an overall rating of 5 stars, above the California state average of 3.16 stars. Its health inspection rating is 4 stars, its quality measure (QM) rating is 5 stars, and its staffing rating is 5 stars.
Nurse staffing data show total nurse hours of 4.22 per resident per day, including 0.69 RN hours per resident per day. Nursing staff turnover is reported at 12.2%.
Regarding the penalty record: CMS reports 0 fines totaling $0.00, meaning there are no federal fines on record for this facility. There are also 0 payment denials on record. No abuse icon is indicated for this facility in the data provided, and no Special Focus Facility status is listed.
No chain affiliation is indicated in the available data. There is no record of a change in ownership within the past 12 months, so current ratings reflect the current operator.
This profile is based on data from CMS Medicare Care Compare. Families are encouraged to verify current details directly on Care Compare and by contacting the facility.
Questions families ask
What is this nursing home's CMS overall star rating and how does it compare to the state average?
It has an overall rating of 5 stars, above the California state average of 3.16 stars.
Does this facility accept Medicare, Medicaid, or both?
It accepts both Medicare and Medicaid.
How well is this facility staffed — nurse hours per resident and turnover?
Total nurse staffing is 4.22 hours per resident per day, with a staffing star rating of 5 and nursing staff turnover of 12.2%.
Does this facility have federal fines or penalties on record?
No, CMS reports 0 fines totaling $0.00 and 0 payment denials, so there are no federal fines on record.
Has CMS flagged this facility for abuse or placed it in the Special Focus program?
The data provided does not indicate an abuse icon or Special Focus Facility status for this facility.
How large is this facility and how many residents live there?
It is certified for 49 beds and averages 42.6 residents.
Who owns this facility — and is it part of a chain?
It is owned by a non-profit corporation, and no chain affiliation is indicated in the available data.
How long has this facility been Medicare/Medicaid certified?
It has been certified since May 14, 1976.
What do the four different CMS star ratings mean?
CMS rates facilities on overall, health inspection, quality measures (QM), and staffing; this facility scores 5, 4, 5, and 5 stars respectively.
Does this facility offer short-term rehabilitation as well as long-term care?
The data provided does not specify service types; please contact the facility at 5108897000 and verify on Medicare Care Compare.
What should I look for when touring this facility?
The data provided does not cover tour details; please contact the facility at 5108897000 to arrange a visit.
How do I verify this facility's current record on Medicare Care Compare?
You can review current details at https://www.medicare.gov/care-compare/details/nursing-home/555016?state=CA.
Data: CMS Care Compare (Aug2026 refresh). Star ratings, staffing hours, and penalty records are CMS's official published measures. Always tour the facility, review the current inspection record, and verify details with Medicare before making care decisions.