Nursing home / skilled nursing
St John Kronstadt Convalescent Center
Nursing home / skilled nursing in Castro Valley, California
Checked October 31, 2026
| Provider details |
|---|
| Address | 4432 JAMES AVENUE |
| City | Castro Valley |
| State | California |
| ZIP code | 94546 |
| County | Alameda |
| Phone | 510-889-7000 |
| CMS certification number (CCN) | 555016 |
| Ownership | Non profit - Corporation |
| Certified beds | 49 |
| Certification | Medicare and Medicaid |
| First approved for Medicare/Medicaid | May 14, 1976 |
| Located in a hospital | N |
| Continuing care retirement community | N |
| Care types | skilled nursing, rehab services |
| Services offered | skilled nursing care, rehabilitation services |
St John Kronstadt Convalescent Center is in 4432 JAMES AVENUE, Castro Valley, CA 94546. Phone: 510-889-7000. Ownership: Non profit - Corporation. CMS rates it 5 out of 5 stars overall (health inspection 4, staffing 5, quality measures 5). CMS inspection and staffing detail: total weighted health survey score 48.000; 0 federal fines totaling $0.00; total nursing staff turnover 14.3%.
Quality measures
Source: CMS · CMS processing date: 2026-10-01
| Star ratings and staffing hours |
|---|
| Overall rating | 5 of 5 |
| Health inspection rating | 4 of 5 |
| Staffing rating | 5 of 5 |
| Quality measure rating | 5 of 5 |
| Long-stay quality rating | 5 of 5 |
| RN staffing hours per resident per day | 0.53 |
| Total nurse staffing hours per resident per day | 4.45 |
Inspection results
| Source: CMS · processing date 2026-10-01 |
|---|
| Rating Cycle 1 Total Health Score | 52 |
| Total Weighted Health Survey Score | 48.000 |
| Rating Cycle 2/3 Total Health Score | 36 |
| Rating Cycle 1 Health Deficiency Score | 52 |
| Rating Cycle 2/3 Health Deficiency Score | 36 |
| Rating Cycle 1 Standard Survey Health Date | 2025-11-21 |
| Rating Cycle 1 Total Number of Health Deficiencies | 11 |
| Rating Cycle 2/3 Total Number of Health Deficiencies | 7 |
| Rating Cycle 1 Number of Standard Health Deficiencies | 11 |
| Rating Cycle 1 Number of Complaint Health Deficiencies | 0 |
| Rating Cycle 2/3 Number of Complaint Health Deficiencies | 2 |
Staffing
| Source: CMS · processing date 2026-10-01 |
|---|
| Nursing Case-Mix Index | 1.17734 |
| Registered Nurse turnover | 28.6 |
| Nursing Case-Mix Index Ratio | 0.83485 |
| Total nursing staff turnover | 14.3 |
| Reported LPN Staffing Hours per Resident per Day | 1.07862 |
| Reported Licensed Staffing Hours per Resident per Day | 1.60705 |
| Number of administrators who have left the nursing home | 0 |
| Reported Nurse Aide Staffing Hours per Resident per Day | 2.84572 |
| Registered Nurse hours per resident per day on the weekend | 0.37237 |
| Total number of nurse staff hours per resident per day on the weekend | 3.98167 |
Penalties
| Source: CMS · processing date 2026-10-01 |
|---|
| Number of Fines | 0 |
| Number of Payment Denials | 0 |
| Total Number of Penalties | 0 |
| Total Amount of Fines in Dollars | 0.00 |
Ownership
| Source: CMS · processing date 2026-10-01 |
|---|
| Legal Business Name | ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS |
| Provider Changed Ownership in Last 12 Months | N |
Occupancy and payer mix
| Source: CMS · processing date 2026-10-01 |
|---|
| Abuse Icon | N |
| High Performing Icon | Y |
| With a Resident and Family Council | Both |
| Average Number of Residents per Day | 41.2 |
| Automatic Sprinkler Systems in All Required Areas | Yes |
| Most Recent Health Inspection More Than 2 Years Ago | N |
