Data / Nursing homes / California / St John Kronstadt Convalescent Center
St John Kronstadt Convalescent Center, Castro Valley, CA: 5 star rating, no fines
St John Kronstadt Convalescent Center in Castro Valley, CA is owned by St John Kronstadt Home for Aged Russian Americans, is rated 5 of 5 stars by Medicare, and had no fines in the three years to October 1, 2026. CMS lists 18 health citations from inspections in that time, the latest survey on November 21, 2025, and none of them found actual harm or immediate jeopardy.
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- Address
- 4432 James Avenue, Castro Valley, CA 94546
- Overall rating
- 5 of 5 stars
- Health inspection rating
- 4 of 5
- Staffing rating
- 5 of 5
- Quality measure rating
- 5 of 5
- Certified beds
- 49
- Residents per day
- 41 on average
- Ownership type
- Nonprofit, corporation
- Legal business name
- St John Kronstadt Home for Aged Russian Americans
- Fines
- $0 across 0 fines, three years to October 1, 2026
- Payment denials
- 0
- Health citations
- 18, of which 0 with actual harm or immediate jeopardy
- Latest survey
- November 21, 2025
- CMS Certification Number
- 555016
- On Care Compare
- Medicare Care Compare
Recent health citations
Citations from health inspections, newest first.
| Survey date | Tag | What CMS cited | Scope and severity | Status | Corrected on | Source |
|---|---|---|---|---|---|---|
| November 21, 2025 | F912 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. | B: pattern, minimal harm potential | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F883 | Develop and implement policies and procedures for flu and pneumonia vaccinations. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F880 | Provide and implement an infection prevention and control program. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F812 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F761 | 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. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F756 | Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F732 | Post nurse staffing information every day. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F677 | Provide care and assistance to perform activities of daily living for any resident who is unable. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F658 | Ensure services provided by the nursing facility meet professional standards of quality. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F656 | Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| November 21, 2025 | F644 | Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | December 21, 2025 | data.cms.gov |
| April 16, 2025 | F609 | Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | May 27, 2025 | data.cms.gov |
| December 10, 2024 | F689 | Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | January 15, 2025 | data.cms.gov |
| June 7, 2024 | F912 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. | B: pattern, minimal harm potential | Corrected | July 4, 2024 | data.cms.gov |
| June 7, 2024 | F761 | 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. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | July 4, 2024 | data.cms.gov |
| June 7, 2024 | F755 | Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist. | D: isolated, no actual harm, potential for more than minimal harm | Corrected | July 4, 2024 | data.cms.gov |
| June 7, 2024 | F677 | Provide care and assistance to perform activities of daily living for any resident who is unable. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | July 4, 2024 | data.cms.gov |
| June 7, 2024 | F550 | Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. | E: pattern, no actual harm, potential for more than minimal harm | Corrected | July 4, 2024 | data.cms.gov |
Owners and managers
Organizations CMS lists as owners or managers of this facility, as CMS names them. CMS also lists 13 individual or personal trusts (4 managers, 6 officers, directors or trustees, 3 other disclosable parties). Their names are not shown on this page.
| Organization | Role | Share | Since | Source |
|---|---|---|---|---|
| St John Kronstadt Home for Aged Russian Americans | Direct owner | 100% | October 15, 1971 | data.cms.gov |
| Serenity 4 Management Services LLC | Operational or managerial control | Not listed | January 1, 2024 | data.cms.gov |
| Serenity 4 Management Services LLC | Additional disclosable party | Not listed | January 1, 2024 | data.cms.gov |
Also on SpecStream
Updated November 7, 2026. Read from CMS Provider Data Catalog, nursing homes. Open data from the Centers for Medicare & Medicaid Services (US government work). Fines and citations are as CMS lists them on the date this page was read and can change after an appeal. The CMS files are joined on the CMS Certification Number. CMS gives owners no ID, so an owner page groups facilities by the owner name as CMS spells it. Names of individual owners and managers are not shown. This page uses CMS data and is not endorsed or certified by CMS. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.