California Mentor - Malabar Home
State licensed4639 Malabar Ave, Castro Valley, CA 94546
Assisted Living
Assisted livingResidential care for the elderly (RCFE)24-hour personal care
Call for pricing
Prices not published
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Medicare-certifiedSkilled Nursing
St John Kronstadt Convalescent Center
Castro Valley, CaliforniaMedicare inspection record
About St John Kronstadt Convalescent Center
St John Kronstadt Convalescent Center brings skilled nursing and rehabilitation care to Castro Valley, California. Our team supports recovery and healing with compassionate clinical expertise, helping patients regain strength and independence through personalized rehabilitation programs.
Community at a glance
Capacity
49 residents
Location
Castro Valley, CA
Status
Listed in a public registry
Care & services offered
Skilled Nursing
Contact & location
4432 JAMES AVENUE, Castro Valley, California 94546
Medicare inspection record
From CMS Care Compare, the federal record every Medicare-certified nursing home is held to. Data as of September 1, 2026. Check it on Medicare.gov
At its most recent standard inspection, on November 21, 2025, state inspectors cited 11 health deficiencies (the California average is 15.5).
Nurses and nurse aides spend 4 hours 13 minutes with each resident a day, below the California average of 4 hours 31 minutes.
Medicare has not fined St John Kronstadt Convalescent Center in the last three years.
Staffing
| Measure | This home |
|---|---|
| Nurse and aide time per resident, per day | 4 hours 13 minutesBelow the California average |
| Registered nurse time per resident, per day | 41 minutes |
| Nursing staff who left in the past year | 12%Below the California average |
Inspections
18 health citations in the last three years. Each one is a federal standard inspectors found the home was not meeting.
November 21, 2025 · Standard inspection · 11 citations
Ensure 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.
Risk of harm, no one hurt, a pattern (level E)Pharmacy ServiceCorrected Dec 21, 2025Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Risk of harm, no one hurt, a pattern (level E)Nutrition and DietaryCorrected Dec 21, 2025Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
Risk of harm, no one hurt, a pattern (level E)Pharmacy ServiceCorrected Dec 21, 2025Provide and implement an infection prevention and control program.
Risk of harm, no one hurt, a few residents (level D)Infection ControlCorrected Dec 21, 2025Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Dec 21, 2025Provide care and assistance to perform activities of daily living for any resident who is unable.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Dec 21, 2025Develop and implement policies and procedures for flu and pneumonia vaccinations.
Risk of harm, no one hurt, a few residents (level D)Infection ControlCorrected Dec 21, 2025Ensure services provided by the nursing facility meet professional standards of quality.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Dec 21, 2025Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Dec 21, 2025Post nurse staffing information every day.
Risk of harm, no one hurt, a few residents (level D)Nursing and Physician ServicesCorrected Dec 21, 2025Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Minimal harm or risk, a pattern (level B)EnvironmentalCorrected Dec 21, 2025
April 16, 2025 · Complaint investigation · 1 citation
Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
Risk of harm, no one hurt, a few residents (level D)Freedom from Abuse, Neglect, and ExploitationFrom a complaintCorrected May 27, 2025
December 10, 2024 · Complaint investigation · 1 citation+
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareFrom a complaintCorrected Jan 15, 2025
June 7, 2024 · Standard inspection · 5 citations+
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
Risk of harm, no one hurt, a pattern (level E)Resident RightsCorrected Jul 4, 2024Ensure 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.
Risk of harm, no one hurt, a pattern (level E)Pharmacy ServiceCorrected Jul 4, 2024Provide care and assistance to perform activities of daily living for any resident who is unable.
Risk of harm, no one hurt, a pattern (level E)Quality of Life and CareCorrected Jul 4, 2024Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
Risk of harm, no one hurt, a few residents (level D)Pharmacy ServiceCorrected Jul 4, 2024Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Minimal harm or risk, a pattern (level B)EnvironmentalCorrected Jul 4, 2024
Fines and payment denials
No fines or Medicare payment denials in the last three years.
About the home, per Medicare
- Ownership
- Non profit - Corporation
- Legal business name
- St John Kronstadt Home for Aged Russian Americans
- Medicare-certified beds
- 49
- Average residents per day
- 43
- Accepts
- Medicare and Medicaid
- First certified
- May 14, 1976
- Inside a hospital
- No
- Continuing care retirement community
- No
- Resident or family council
- Both
- Sprinklers in all required areas
- Yes
- CMS Certification Number
- 555016
Location
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4432 JAMES AVENUECastro Valley, CA 94546
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Questions about St John Kronstadt Convalescent Center
How did St John Kronstadt Convalescent Center do on its last inspection?+
State inspectors visited on November 21, 2025 and cited 11 health deficiencies. The California average is 15.5.
How much nursing care does each resident get at St John Kronstadt Convalescent Center?+
Nurses and aides spend 4 hours 13 minutes with each resident per day, including 41 minutes from registered nurses. 12% of nursing staff left over the past year.
Has St John Kronstadt Convalescent Center been fined by Medicare?+
Medicare's records show no fines against St John Kronstadt Convalescent Center in the last three years.
Does Medicare cover skilled nursing?+
Medicare covers up to 100 days of skilled nursing per benefit period after a qualifying 3-day hospital stay — fully for the first 20 days, then with a daily copay. Long-term custodial stays are generally not covered.
How much does a nursing home cost?+
A semi-private room averages about $7,900 per month nationally; private rooms cost more. Medicaid is the largest payer for long-term nursing home care.
What is the CMS star rating?+
Medicare rates nursing homes 1 to 5 stars on its Care Compare site. We don't repeat those stars here. Each nursing home page shows Medicare's underlying record instead: inspections, staffing and fines, with a link to check it on Medicare.gov.