ST John Kronstadt Convalescent Center

Nursing Home · Castro Valley, CA

CMS overall rating 5/5 Non profit - Corporation

CMS certification number555016

Contact & location

4432 James Avenue
Castro Valley, CA 94546
Alameda County
Phone
(510) 889-7000
ZIP code
94546 – all care providers

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Facility details

Certified beds
49
Residents per day
42.6 (87% occupied)
Ownership
Non profit - Corporation
Legal name
ST John Kronstadt Home for Aged Russian Americans
Medicare certified since
May 14, 1976
Participates in
Medicare and Medicaid
Council
Both council

CMS star ratings

Overall★★★★★ 5/5
State avg 3.2
Health inspections★★★★★ 4/5
State avg 2.8
Staffing★★★★★ 5/5
State avg 3.3
Quality measures★★★★★ 5/5
State avg 4.1
Long-stay quality★★★★★ 5/5
Short-stay qualityNot rated

Staffing

Hours of nursing care per resident per day, from payroll data. More hours generally mean more time for each resident.

Total nurse staffing
4.22 (state 4.52 · U.S. 3.86)
Registered nurses (RN)
0.69 (state 0.67 · U.S. 0.69)
Licensed practical nurses
0.86 (state 1.20 · U.S. 0.86)
Nurse aides
2.67 (state 2.65 · U.S. 2.32)
Weekend total
3.71 (state 4.09 · U.S. 3.42)
Nursing staff turnover
12.2 (state 36.7 · U.S. 45.8)%
RN turnover
16.7 (state 38.1 · U.S. 42.9)%
Administrators who left
0 in the last year

Inspections

Last standard inspection
November 21, 2025
Health deficiencies (last cycle)
11.0 (state 15.7 · U.S. 9.3)
From complaints
0
Citations on record (3 years)
33 health · 24 fire safety · includes immediate jeopardy
DateCitationSeverityStatus
2025-11-21 Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
F0756 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 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.
F0761 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
F0812 · Nutrition and Dietary Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed.
F0644 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
F0656 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Ensure services provided by the nursing facility meet professional standards of quality.
F0658 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Provide care and assistance to perform activities of daily living for any resident who is unable.
F0677 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Post nurse staffing information every day.
F0732 · Nursing and Physician Services Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Provide and implement an infection prevention and control program.
F0880 · Infection Control Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Develop and implement policies and procedures for flu and pneumonia vaccinations.
F0883 · Infection Control Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-12-21
2025-11-21 Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
F0912 · Environmental Deficiencies		 B
No actual harm, potential for minimal harm		 Corrected 2025-12-21
2025-04-16 Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
F0609 · Freedom from Abuse, Neglect, and Exploitation Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-05-27
2024-12-10 Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
F0689 · Quality of Life and Care Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 Corrected 2025-01-15
2024-06-07 Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
F0550 · Resident Rights Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2024-07-04
2024-06-07 Provide care and assistance to perform activities of daily living for any resident who is unable.
F0677 · Quality of Life and Care Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2024-07-04
2024-06-07 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.
F0761 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2024-07-04
2024-06-07 Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
F0755 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2024-07-04
2024-06-07 Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
F0912 · Environmental Deficiencies		 B
No actual harm, potential for minimal harm		 Corrected 2024-07-04
2023-02-17 Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.
F0801 · Nutrition and Dietary Deficiencies		 K
Immediate jeopardy to resident health or safety		 Corrected 2023-03-24
2023-02-17 Ensure 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.
F0803 · Nutrition and Dietary Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-05-17
2023-02-17 Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature.
F0804 · Nutrition and Dietary Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-05-17
2023-02-17 Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
F0812 · Nutrition and Dietary Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-05-17
2023-02-17 Provide and implement an infection prevention and control program.
F0880 · Infection Control Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.
F0882 · Infection Control Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Keep all essential equipment working safely.
F0908 · Environmental Deficiencies		 F
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
F0550 · Resident Rights Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Reasonably accommodate the needs and preferences of each resident.
F0558 · Resident Rights Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Observe each nurse aide's job performance and give regular training.
F0730 · Nursing and Physician Services Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Ensure medication error rates are not 5 percent or greater.
F0759 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Ensure that residents are free from significant medication errors.
F0760 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24
2023-02-17 Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
F0802 · Nutrition and Dietary Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-05-17
2023-02-17 Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs.
F0805 · Nutrition and Dietary Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2023-05-17
2023-02-17 Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
F0912 · Environmental Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2023-03-24

Severity letters A–L combine how widespread a problem was (isolated, pattern, widespread) with how serious (from potential for minimal harm to immediate jeopardy). How to read inspection results

Fines & penalties

No federal fines or payment denials in the last three years.

Ownership & management

NameRoleSince
ST John Kronstadt Home for Aged Russian Americans (organization)5%+ Direct Ownership Interest · 100%
Garcia, Fabiola (individual)Administrator · NOT APPLICABLE
Grimes, Jeremy (individual)Administrator · NOT APPLICABLE
Huynh, Uyen-Chi (individual)Administrator · NOT APPLICABLE
Serenity 4 Management Services LLC (organization)Administrator · NOT APPLICABLE
Koloboff, Constantine (individual)Corporate Director · NOT APPLICABLE
Loukianoff, Alexander (individual)Corporate Director · NOT APPLICABLE
Maximow, Andrew (individual)Corporate Director · NOT APPLICABLE
Pavlenko, Stefan (individual)Corporate Director · NOT APPLICABLE
Koloboff, Constantine (individual)Corporate Officer · NOT APPLICABLE
Pavlenko, Stefan (individual)Corporate Officer · NOT APPLICABLE
Danby, Craig (individual)Operational/managerial Control · NOT APPLICABLE
Garcia, Fabiola (individual)Operational/managerial Control · NOT APPLICABLE
Gonzalez, Edward (individual)Operational/managerial Control · NOT APPLICABLE
Grimes, Jeremy (individual)Operational/managerial Control · NOT APPLICABLE
Serenity 4 Management Services LLC (organization)Operational/managerial Control · NOT APPLICABLE

Frequently asked questions

What is the rating of ST John Kronstadt Convalescent Center?

ST John Kronstadt Convalescent Center has a 5-star overall rating from the Centers for Medicare & Medicaid Services on a scale of 1 to 5, compared with a 3.2-star average in California.

How many beds does ST John Kronstadt Convalescent Center have?

It has 49 certified beds and cares for about 43 residents per day.

Has ST John Kronstadt Convalescent Center been fined?

CMS lists no federal fines or payment denials in the last three years.

What is the phone number of ST John Kronstadt Convalescent Center?

(510) 889-7000. The facility is located at 4432 James Avenue, Castro Valley, CA 94546.

Other nursing homes in Castro Valley

Compare all nursing homes in Castro Valley, CA →

Source: CMS Care Compare, August 2026. Information is provided as published by CMS; verify details directly with the facility.