About St John Kronstadt Convalescent CenterSt John Kronstadt Convalescent Center is located at 4432 James Avenue, Castro Valley, CA, reachable at (510) 889-7000. This Non profit – Corporation facility operates 49.0 certified beds and serves an average of 42 residents per day. Medicare and Medicaid services have been provided since 1976-05-14. The facility currently holds a average (3-star) overall CMS rating.
#7743 of 14703 nationally – #796 of 1162 in California
Who Is This Facility Best For?
St John Kronstadt Convalescent Center offers a mid-range care option in Castro Valley, CA. It is particularly well-suited for long-term residents based on its Quality Measure scores. Above-average staffing levels make it a good option for residents needing intensive nursing care.
Overall Rating 2022-2026
Total Nurse Hours/Day 2022-2026
Current Ratings (2026)
Overall Rating
★★★★★3 / 5
Health Inspection
★★★★★2 / 5
Staffing Rating
★★★★★5 / 5
Quality Measures (QM)
★★★★★3 / 5
Long-Stay QM Rating
★★★★★5 / 5
Short-Stay QM Rating
★★★★★2 / 5
5-Year Rating Trends
Overall Rating
Health Inspection Rating
Quality of Care (QM)
Staffing Rating
Average Residents per Day
Occupancy % (Residents / Beds)
Staffing InsightSt John Kronstadt Convalescent Center currently provides 4 hours 10 minutes of total nurse staffing per resident per day, including 40 minutes of Registered Nurse (RN) coverage. The CMS Staffing Rating of 5 out of 5 reflects strong nurse coverage. Total nursing staff turnover is 21.7%, near the national average.
Current Staffing Hours Per Resident Per Day (2026)
Total Nurse Staffing4 hours 10 minutes
Nurse Aide Hours2 hours 36 minutes
Licensed Practical Nurse (LPN) Hours54 minutes
Registered Nurse (RN) Hours40 minutes
Physical Therapist Hours6 minutes
National average total nurse staffing is approximately 3.5 hours per day
Weekend Staffing Hours Per Resident Per Day (2026)
Weekend Total Nurse Hours3 hours 43 minutes
Weekend Registered Nurse (RN) Hours18 minutes
Weekend staffing is typically lower than weekday levels. Ask the facility about their weekend nurse-to-resident ratios.
5-Year Staffing Trends
Total Nurse Hours/Day
Registered Nurse (RN) Hours/Day
Licensed Practical Nurse (LPN) Hours/Day
Nurse Aide Hours/Day
Total Staff Turnover %
Registered Nurse (RN) Turnover %
Compliance SummaryThe facility has received 2 fine(s) over the 5-year period, totaling $22,340. No substantiated complaints have been recorded in the available data.
Nationally, St John Kronstadt Convalescent Center ranks 7743rd out of 14,703 facilities (composite score: 71.2/100), placing it in the below average nationwide. Within CA, it ranks 796th out of 1,162 nursing homes. In Castro Valley, it ranks 4th out of 5 facilities. Among facilities sharing its ZIP code, it ranks 4th of 5. For 2026 staffing: total nurse hours rank #3,857 nationally and RN hours rank #5,417 nationally (#312 in CA).
Total Nurse Staffing – Year-by-Year National and State Ranks
Year
Hours/Day
National Rank
CA State Rank
Note
2022
4.05
#4,055 / 14,703
#570 / 1,162
Above average
2023
4.42
#2,360 / 14,703
#321 / 1,162
Top 25%
2024
4.22
#3,083 / 14,703
#443 / 1,162
Top 25%
2025
4.07
#4,163 / 14,703
#672 / 1,162
Above average
2026
4.16
#3,857 / 14,703
#644 / 1,162
Above average
Registered Nurse (RN) Hours – Year-by-Year National and State Ranks
Year
Hours/Day
National Rank
CA State Rank
Note
2022
0.43
#10,224 / 14,703
#682 / 1,162
Below average
2023
0.55
#7,151 / 14,703
#371 / 1,162
Above average
2024
0.52
#7,796 / 14,703
#409 / 1,162
Below average
2025
0.41
#10,441 / 14,703
#650 / 1,162
Below average
2026
0.67
#5,417 / 14,703
#312 / 1,162
Above average
Total Nurse Rank – National (lower number = better)
Registered Nurse Rank – National (lower number = better)
Frequently Asked Questions
St John Kronstadt Convalescent Center is certified as a Medicare and Medicaid facility and has been approved to provide these services since 1976-05-14. Medicare covers short-term skilled nursing care (typically up to 100 days after a qualifying hospital stay). Medicaid covers long-term care for residents who meet financial eligibility requirements. Contact the facility at (510) 889-7000 or your local Medicaid office to verify current eligibility.
St John Kronstadt Convalescent Center holds an overall CMS (Centers for Medicare & Medicaid Services) rating of 3 out of 5 stars. This is made up of three components: Health Inspection (2★), Staffing (5★), and Quality of Resident Care (3★). Our independent composite quality score — which uses the raw underlying CMS numbers to break ties between similarly-rated facilities — is 71.2/100, placing it #7743 of 14703 facilities nationally and #796 of 1162 in California. Star ratings are a useful starting point, but the composite score and individual sub-ratings give a more complete picture for families comparing facilities.
Each resident at St John Kronstadt Convalescent Center receives a reported average of 4 hours 10 minutes of total nurse staffing per day. This breaks down as: Registered Nurse (RN) coverage — 40 minutes; Licensed Practical Nurse (LPN) — 54 minutes; Nurse Aide — 2 hours 36 minutes. On weekends, total nurse staffing is 3 hours 43 minutes per resident per day. The CMS Staffing Rating for this facility is 5 out of 5. The national average for total nursing hours is approximately 3.5 hrs/day. Total nursing staff turnover is 21.7%. Families are encouraged to ask about current staffing schedules during their facility visit.
The facility has received 2 fine(s) over the 5-year period, totaling $22,340. No substantiated complaints have been recorded in the available data. In the most recent CMS reporting period, the facility received 0 fine(s) totaling $0, and 0 Medicare payment denial(s). Total penalties: 0. The Total Weighted Health Survey Score is 120.0 (lower scores are better). Full inspection history and complaint details are available at medicare.gov/care-compare.
Nationally, St John Kronstadt Convalescent Center ranks 7743rd out of 14,703 facilities (composite score: 71.2/100), placing it in the below average nationwide. Within CA, it ranks 796th out of 1,162 nursing homes. In Castro Valley, it ranks 4th out of 5 facilities. Among facilities sharing its ZIP code, it ranks 4th of 5. For 2026 staffing: total nurse hours rank #3,857 nationally and RN hours rank #5,417 nationally (#312 in CA). Our composite quality score of 71.2/100 weighs health inspections, quality of resident care, staffing hours, compliance record, and five-year performance trends — giving a more complete picture than CMS star ratings alone, which can place hundreds of facilities in the same 5-star bucket. To browse and compare all nursing homes in Castro Valley, visit: https://nursinghomesnearme.org/california/castro-valley/
Data Disclaimer: All data on this page is sourced exclusively from the official CMS (Centers for Medicare and Medicaid Services) Nursing Home Compare dataset, covering reporting periods from 2022 through 2026. This includes facility ratings, staffing hours, inspection scores, fines, complaints, and geographic coordinates. NursingHomesNearMe.org does not independently verify, collect, or alter this data. Composite scores and rankings are calculated by NursingHomesNearMe.org – learn how rankings are calculated. Information may not reflect current facility conditions. Always contact the facility directly and verify at medicare.gov/care-compare before making care decisions.