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Nursing home report card · Castro Valley, CA

ST John Kronstadt Convalescent Center

4432 James Avenue, Castro Valley, CA 94546

Call this home: (510) 889-7000

View this home on Medicare.gov ↗

Infection-control problems noted

Quick summary

Review the ratings and inspection history below

Use the star ratings as a quick grade, then read what inspectors actually wrote. Numbers alone do not tell the whole story for any one resident.

Our summary of public Medicare records. It does not establish that this home harmed a particular resident. About this summary.

How recent is this information?
Medicare file prepared
Aug 1, 2026
Our record last updated
Oct 15, 2026
Last routine health inspection
Nov 21, 2025

These dates mean different things. A new file can include older inspections and staffing figures. Read about the dates.

Medicare ratings

One star is the lowest rating. Five stars is the highest. Ratings are a starting point—read the inspection findings too.

Overall rating
5out of 5

Combines inspection, staffing, and care measures.

Among the highest Medicare ratings

Health inspections
4out of 5

Based on problems found during health inspections.

Above average

Nursing staff
5out of 5

Based on staffing levels and related measures.

Among the highest Medicare ratings

Health and care results
5out of 5

Based on reported health and care results.

Among the highest Medicare ratings

What do the ratings and warnings mean?
Medicare ratings
One star is the lowest rating. Five stars is the highest. These are government ratings, not family reviews.
Inspection problems
Inspectors found that a home did not meet a care or safety rule. The official term is “deficiency.”
Abuse warning
Medicare has flagged the home because of abuse-related inspection findings. Read the findings and dates.
Nursing staff time
Average staff hours for each resident per day. This does not mean each resident gets that much one-to-one care.

Learn about the records and their limits →

At a glance

These numbers come from the records we have. Inspection problems are rules the home did not meet. The dates covered can differ.

Care and safety problems
33

Care, safety, and resident-rights issues on recent inspections

Fire-safety problems
0

Building, alarms, exits, and related safety citations

Reported fines
$0

Total fine amounts in the imported penalty records

Medicare file prepared
Aug 1, 2026

Medicare home ID: 555016

Inspection findings to read first

Start with these past findings. We show the most serious first, then the most recent. They do not describe the home’s condition today.

  • Immediate danger to residents · pattern case

    Feb 17, 2023 · Inspection rule 0801

    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.

  • Could have caused harm · pattern case

    Nov 21, 2025 · Inspection rule 0812

    Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.

  • Could have caused harm · pattern case

    Nov 21, 2025 · Inspection rule 0756

    Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.

Read the inspection history →

Nursing staff time

These are average staff hours for each resident per day. They are not one-to-one bedside care. The file does not give the reporting period for each figure.

Registered nurses (RNs)
0.69hours per resident per day

about 41 minutes per resident per day

All nursing staff
4.22hours per resident per day

about 4 hr 13 min per resident per day

Registered nurse time on weekends
0.29hours per resident per day

about 17 minutes per resident per day

Latest inspection summary

A summary of the most recent routine inspections. You can open the dated findings below.

We do not have a routine inspection summary for this home. Check the dated findings below and the Medicare.gov record.

How this home compares

Compared with state and national averages. The numbers may cover different periods.

  • Overall CMS rating: 5 stars
  • Health inspection rating: 4 stars
  • Staffing rating: 5 stars
  • Registered nurse time per resident: 0.69 hours/day
  • Total nurse time per resident: 4.22 hours/day
See the dates used for these averages

Medicare file dates: this home Aug 1, 2026; California averages Unavailable; U.S. averages Oct 1, 2026.

Other concerns in the records

These points may be worth asking about. They do not establish what happened to a particular resident. See our Terms of Use.

  • Recent citations include infection-control problems
  • Inspectors have listed an unusually high number of problems

How serious were the problems?

Inspectors rate each problem by how much harm it caused or could cause. We group the CMS letter codes into plain language.

  • Immediate danger to residents1 citation
  • Could have caused harm30 citations
  • Low risk of harm2 citations

Why inspectors showed up

Routine checks happen on a schedule. Complaint visits happen when someone reports a concern.

Complaints
0
Routine
33
Fire safety
0
Other
0

Who owns it

Names CMS lists as owners or managers · reported as Non profit - Corporation.

  • We do not have individual owner names for this home.

Inspection history

Open a date to read what inspectors found. The harm labels explain how serious the problem was at the time.

November 21, 202511 findings
  • Infection Control problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0883 · code D

    Develop and implement policies and procedures for flu and pneumonia vaccinations.

  • Nursing and Physician Services problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0732 · code D

    Post nurse staffing information every day.

  • Infection Control problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0880 · code D

    Provide and implement an infection prevention and control program.

  • Environmental problems
    Low risk of harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0912 · code B

    Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.

  • Pharmacy Service problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0756 · code E

    Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.

  • Pharmacy Service problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0761 · code E

    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.

  • Nutrition and Dietary problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0812 · code E

    Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.

  • Resident Assessment and Care Planning problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0644 · code D

    Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed.

  • Resident Assessment and Care Planning problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0656 · code D

    Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.

  • Resident Assessment and Care Planning problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0658 · code D

    Ensure services provided by the nursing facility meet professional standards of quality.

  • Quality of Life and Care problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0677 · code D

    Provide care and assistance to perform activities of daily living for any resident who is unable.

April 16, 20251 finding
  • Freedom from Abuse, Neglect, and Exploitation problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0609 · code D

    Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.

December 10, 20241 finding
  • Quality of Life and Care problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0689 · code D

    Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.

June 7, 20245 findings
  • Resident Rights problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0550 · code E

    Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.

  • Quality of Life and Care problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0677 · code E

    Provide care and assistance to perform activities of daily living for any resident who is unable.

  • Pharmacy Service problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0761 · code E

    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.

  • Pharmacy Service problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0755 · code D

    Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.

  • Environmental problems
    Low risk of harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0912 · code B

    Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.

February 17, 202315 findings
  • Nutrition and Dietary problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0802 · code E

    Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.

  • Nutrition and Dietary problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0805 · code E

    Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs.

  • Environmental problems
    Could have caused harm · isolated case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0912 · code D

    Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.

  • Nutrition and Dietary problems
    Immediate danger to residents · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0801 · code K

    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.

  • Nutrition and Dietary problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0803 · code F

    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.

  • Nutrition and Dietary problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0812 · code F

    Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.

  • Infection Control problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0880 · code F

    Provide and implement an infection prevention and control program.

  • Infection Control problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0882 · code F

    Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.

  • Resident Rights problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0558 · code E

    Reasonably accommodate the needs and preferences of each resident.

  • Nursing and Physician Services problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0730 · code E

    Observe each nurse aide's job performance and give regular training.

  • Pharmacy Service problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0759 · code E

    Ensure medication error rates are not 5 percent or greater.

  • Environmental problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0908 · code F

    Keep all essential equipment working safely.

  • Resident Rights problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0550 · code E

    Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.

  • Nutrition and Dietary problems
    Could have caused harm · widespread case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0804 · code F

    Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature.

  • Pharmacy Service problems
    Could have caused harm · pattern case
    Inspection type and official rule codes

    Routine health inspection · CMS tag 0760 · code E

    Ensure that residents are free from significant medication errors.

Fines & penalties

These fines appear in Medicare’s records. A listed amount does not tell us whether it has been paid.

  • No fines or penalties appear in the records we have.

Related topics

Questions about ST John Kronstadt Convalescent Center

What is ST John Kronstadt Convalescent Center's Medicare star rating?
As of August 1, 2026, ST John Kronstadt Convalescent Center in Castro Valley, California has an overall CMS rating of 5 out of 5 stars. Other CMS scores: health inspection 4 of 5, staffing 5 of 5, quality measures 5 of 5. These are CMS ratings based on inspection, staffing, and quality information, not consumer reviews.
Has ST John Kronstadt Convalescent Center been fined?
The imported record gives a fine total of $0 for ST John Kronstadt Convalescent Center in Castro Valley, California. This does not establish that the home has never been fined.
Does ST John Kronstadt Convalescent Center have a Medicare abuse warning?
No. The current CMS Care Compare extract does not show an abuse warning icon for ST John Kronstadt Convalescent Center in Castro Valley, California.
How does ST John Kronstadt Convalescent Center compare with other nursing homes in California?
Its overall CMS rating is 5 out of 5. A rating comparison is withheld because a matching source date or a usable rating is missing. Use the California report card and dated inspection history for context; inspection totals alone are not a like-for-like performance comparison.

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