Elder Care Record

California › Alameda County › Castro Valley

St John Kronstadt Convalescent Center

4432 James Avenue, Castro Valley, CA 94546

CCN 555016 · Non-profit, corporation · 49 certified beds

Overall★★★★★
Health inspection★★★★★
Staffing★★★★★
Quality measures★★★★★

Ratings are based on the most recent data available; a facility's ratings may have changed since the last update. The health inspection rating is based on the three most recent standard surveys and complaint investigations. CMS processed this record on 1 Aug 2026. View the Care Compare record.

St John Kronstadt Convalescent Center, in Castro Valley, California, is certified for 49 beds under non-profit, corporation ownership.

CMS gives it 5 of 5 stars overall, above the California median of 3; the health inspection rating is 4, staffing 5 and quality measures 5.

Inspectors recorded 33 health deficiencies across the three most recent survey cycles (11, 7, 15 by cycle, most recent first), 1 of them at the actual-harm or immediate-jeopardy level. That is 67.3 per 100 beds, more than the state median of 51.1.

CMS lists no fines or payment denials against the facility in the period covered.

Reported nurse staffing is 4.2 hours per resident per day (0.7 RN), close to the California median of 4.2; nursing staff turnover is 12.2%.

33health deficiencies, 3 survey cycles1 at actual harm or worse
$0fines listed by CMS0 penalties in period
4.2nurse hours per resident per daystate median 4.2
87%occupancy (residents ÷ beds)43 residents a day

Compared with county, state and nation

MeasureThis facilityAlameda Co. medianCalifornia medianUS average
Overall star rating5433.0
Health citations, 3 cycles33254428.7
Citations per 100 beds67.339.451.126.8
Total nurse hours per resident day4.24.24.23.9
RN hours per resident day0.70.60.50.7
Nursing staff turnover12.2%34.8%36.4%45.8%
Fines listed$0$0$0—

County and state figures are medians across facilities (69 in the county, 1165 in the state); the US column is the CMS national average where CMS publishes one.

Citations by survey cycle

Cycle 1 (latest)11
Cycle 27
Cycle 315

Dark bar: this facility. Grey bar: California average per facility for the same cycle, as published by CMS. Standard health survey dates: 21 Nov 2025, 7 Jun 2024.

Severity mix: K ×1 D ×11 E ×13 F ×6 B ×2

Health deficiencies

Every health citation in the current CMS record (three survey cycles), most recent first. Tag text is the CMS requirement summary, not the inspection narrative.

Scope and severity letters (A–L)
Isolated
Pattern
Widespread
Immediate jeopardy
J
K
L
Actual harm
G
H
I
Potential for more than minimal harm
D
E
F
Potential for minimal harm
A
B
C

Survey dateTagWhat the tag requiresSeverityTypeCorrected
21 Nov 2025F0756Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.EStandard survey21 Dec 2025
21 Nov 2025F0761Ensure 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.EStandard survey21 Dec 2025
21 Nov 2025F0812Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.EStandard survey21 Dec 2025
21 Nov 2025F0644Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed.DStandard survey21 Dec 2025
21 Nov 2025F0656Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.DStandard survey21 Dec 2025
21 Nov 2025F0658Ensure services provided by the nursing facility meet professional standards of quality.DStandard survey21 Dec 2025
21 Nov 2025F0677Provide care and assistance to perform activities of daily living for any resident who is unable.DStandard survey21 Dec 2025
21 Nov 2025F0732Post nurse staffing information every day.DStandard survey21 Dec 2025
21 Nov 2025F0880Provide and implement an infection prevention and control program.DStandard survey21 Dec 2025
21 Nov 2025F0883Develop and implement policies and procedures for flu and pneumonia vaccinations.DStandard survey21 Dec 2025
21 Nov 2025F0912Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.BStandard survey21 Dec 2025
16 Apr 2025F0609Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.DComplaint investigation27 May 2025
10 Dec 2024F0689Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.DComplaint investigation15 Jan 2025
7 Jun 2024F0550Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.EStandard survey4 Jul 2024
7 Jun 2024F0677Provide care and assistance to perform activities of daily living for any resident who is unable.EStandard survey4 Jul 2024
7 Jun 2024F0761Ensure 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.EStandard survey4 Jul 2024
7 Jun 2024F0755Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.DStandard survey4 Jul 2024
7 Jun 2024F0912Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.BStandard survey4 Jul 2024
17 Feb 2023F0801Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.KStandard survey24 Mar 2023
17 Feb 2023F0803Ensure menus must meet the nutritional needs of residents, be prepared in advance, be followed, be updated, be reviewed by dietician, and meet the needs of the resident.FStandard survey17 May 2023
17 Feb 2023F0804Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature.FStandard survey17 May 2023
17 Feb 2023F0812Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.FStandard survey17 May 2023
17 Feb 2023F0880Provide and implement an infection prevention and control program.FStandard survey24 Mar 2023
17 Feb 2023F0882Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.FStandard survey24 Mar 2023
17 Feb 2023F0908Keep all essential equipment working safely.FStandard survey24 Mar 2023
17 Feb 2023F0550Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.EStandard survey24 Mar 2023
17 Feb 2023F0558Reasonably accommodate the needs and preferences of each resident.EStandard survey24 Mar 2023
17 Feb 2023F0730Observe each nurse aide's job performance and give regular training.EStandard survey24 Mar 2023
17 Feb 2023F0759Ensure medication error rates are not 5 percent or greater.EStandard survey24 Mar 2023
17 Feb 2023F0760Ensure that residents are free from significant medication errors.EStandard survey24 Mar 2023
17 Feb 2023F0802Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.EStandard survey17 May 2023
17 Feb 2023F0805Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs.EStandard survey17 May 2023
17 Feb 2023F0912Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.DStandard survey24 Mar 2023

Penalties

CMS lists no fines or payment denials for this facility in the period covered.

Staffing

Total nursing4.22 h
Nurse aides2.67 h
LPN0.86 h
RN0.69 h
Weekend total3.71 h

Hours per resident per day as reported through the Payroll-Based Journal; grey bars are the California average. Turnover: nursing staff 12.2%, RNs 16.7%; 0 administrators left in the reporting year.

Quality measures

MeasureResidentsThis facilityCalifornia medianUS median
Percentage of long-stay residents whose need for help with daily activities has increasedLong Stay11.8%8.9%12.6%
Percentage of long-stay residents with a catheter inserted and left in their bladderLong Stay0.0%0.3%0.3%
Percentage of long-stay residents with a urinary tract infectionLong Stay0.0%0.7%0.9%
Percentage of long-stay residents experiencing one or more falls with major injuryLong Stay4.2%1.3%2.8%
Percentage of long-stay residents whose ability to walk independently worsenedLong Stay19.5%8.6%12.5%
Percentage of long-stay residents with pressure ulcersLong Stay0.7%3.6%4.2%
Percentage of long-stay residents who received an antipsychotic medicationLong Stay10.0%9.1%13.4%

Four-quarter averages for the measures CMS uses in the quality-measure star rating (2025Q2-2026Q1). Lower is better for every measure listed. Medians are computed across facilities on this site.

Ownership

Ownership type: non-profit, corporation. Legal business name: St John Kronstadt Home For Aged Russian Americans.

OrganisationRole in the CMS recordInterestSince
St John Kronstadt Home For Aged Russian Americans5% or greater direct ownership interest100%10/15/1971
Serenity 4 Management Services LLCOperational/managerial controlNOT APPLICABLE01/01/2024
Serenity 4 Management Services LLCAdp of the snfNOT APPLICABLE01/01/2024

Only organisations are shown. CMS also records individual owners, officers and managing employees; this site does not publish people's names.

Other nursing homes in Alameda County

FacilityCityBedsOverallHealthStaffingCitationsPer 100 bedsFinesLast survey
Alameda County Medical Center D/P SNFSan Leandro1095551816.5—22 Aug 2024
Bay Area Healthcare CenterOakland995551010.1—9 Feb 2026
Baywood Court Health CenterCastro Valley565551221.4—11 Oct 2024
Bellaken Skilled Nursing CenterOakland615541727.9—16 Apr 2026
Chaparral HouseBerkeley495442551.0—30 Jun 2026
Creekview Skilled NursingPleasanton735551216.4—27 Feb 2025
Crestwood Manor - FremontFremont1265551713.5—10 Jun 2025
Crestwood Treatment CenterFremont885451112.5—22 May 2026

All 69 facilities in Alameda County

Questions and answers

How many deficiencies has St John Kronstadt Convalescent Center been cited for?

33 health deficiencies across the three most recent survey cycles, 1 at the actual-harm or immediate-jeopardy level. The California median is 44 per facility.

Has St John Kronstadt Convalescent Center been fined?

CMS lists no fines against the facility in the period covered.

How does staffing at St John Kronstadt Convalescent Center compare?

Reported total nurse staffing is 4.2 hours per resident per day against a California median of 4.2 and a national average of 3.9.

Who operates St John Kronstadt Convalescent Center?

Ownership type is non-profit, corporation. Organisations in the CMS ownership record include St John Kronstadt Home For Aged Russian Americans and Serenity 4 Management Services LLC. Individual owners and managers are not listed on this site.

When was St John Kronstadt Convalescent Center last inspected?

The most recent survey or investigation in the CMS record is dated 21 Nov 2025; the most recent standard health survey was 21 Nov 2025.

Where does this data come from?

All figures are from the Centers for Medicare & Medicaid Services Care Compare datasets (provider information, health deficiencies, penalties, ownership and quality measures), processed 1 Aug 2026. Ratings and citations may change; the Care Compare record is authoritative.

Provenance

Source: Centers for Medicare & Medicaid Services, Care Compare nursing home datasets (provider information, health deficiencies, penalties, ownership, MDS quality measures, state and national averages), public domain, processed by CMS on 1 Aug 2026. Facility record: Care Compare. Errors in processing are corrected at the next daily build; see corrections.