Serenethos Care Center, LLC
22822 Myrtle Street, Hayward, CA 94541
Serenethos Care Center, LLC is a nursing home in Hayward, California. This page lists the citations, fines and star ratings that CMS publishes for it. Each one has a date and a link to CMS.
CMS star ratings
- 5 of 5CMS overall star rating
- 5 of 5CMS health inspection star rating
- 3 of 5CMS staffing star rating
- 5 of 5CMS quality measures star rating
Facts from CMS
- Phone
- (510) 537-4844
- Last standard health inspection
- June 20, 2025 (1 year ago)
- Certified beds
- 36
- Residents per day, on average
- 31.9
- Ownership type
- For profit - Limited Liability company
- Legal business name
- Serenethos Care Center, LLC
- Chain
- Not listed by CMS
- Takes part in
- Medicare and Medicaid
Fewer health citations than the California average (25 vs 50).
Inspections, fines and changes
This list shows every citation and fine in CMS's current data, which covers about the last three years. It also shows changes CMS made to this home's ratings and records.
CMS update of October 28, 2026
Star rating
The CMS quality measures star rating changed from 4 of 5 to 5 of 5.
CMS update of April 29, 2026
Star rating
The CMS overall star rating changed from 4 of 5 to 5 of 5.
Star rating
The CMS health inspection star rating changed from 4 of 5 to 5 of 5.
CMS update of February 25, 2026
Star rating
The CMS staffing star rating changed from 2 of 5 to 3 of 5.
CMS update of November 20, 2025
Star rating
The CMS overall star rating changed from 1 of 5 to 4 of 5. CMS changed how it scores this rating for many homes at once.
Star rating
The CMS health inspection star rating changed from 1 of 5 to 4 of 5. CMS changed how it scores this rating for many homes at once.
CMS update of July 30, 2025
Star rating
The CMS staffing star rating changed from 1 of 5 to 2 of 5.
3 citations
Health inspection on June 20, 2025
CMS lists this as a standard inspection.
Citation F0801. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
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.
CMS lists it as corrected on July 15, 2025.
CMS has cited this home for F0801 2 times since 2022.
Citation F0641. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Ensure each resident receives an accurate assessment.
CMS lists it as corrected on July 15, 2025.
Citation F0759. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Ensure medication error rates are not 5 percent or greater.
CMS lists it as corrected on July 15, 2025.
CMS has cited this home for F0759 2 times since 2024.
12 citations
Fire safety inspection on June 20, 2025
CMS lists this as a standard inspection.
Citation E0004. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Develop and maintain an Emergency Preparedness Program (EP).
CMS lists it as corrected on July 2, 2025.
CMS has cited this home for E0004 2 times since 2022.
Citation E0015. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Address subsistence needs for staff and patients.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for E0015 3 times since 2022.
Citation E0039. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Conduct testing and exercise requirements.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for E0039 3 times since 2022.
Citation K0353. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Inspect, test, and maintain automatic sprinkler systems.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for K0353 3 times since 2022.
Citation K0355. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Properly select, install, inspect, or maintain portable fire extinguishes.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for K0355 3 times since 2022.
Citation K0363. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Install corridor and hallway doors that block smoke.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for K0363 3 times since 2022.
Citation K0161. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Use approved construction type or materials.
CMS lists it as corrected on June 27, 2025.
Citation K0342. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Have a complete alarm system manually initiated and initiated by fire sprinkler system connection.
CMS lists it as corrected on June 24, 2025.
Citation E0030. Severity C: potential for minimal harm, widespread.
The rule CMS cited:
List the names and contact information of those in the facility.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for E0030 2 times since 2022.
Citation K0291. Severity C: potential for minimal harm, widespread.
The rule CMS cited:
Install emergency lighting that can last at least 1 1/2 hours.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for K0291 2 times since 2024.
Citation K0293. Severity C: potential for minimal harm, widespread.
The rule CMS cited:
Have properly located and lighted "Exit" signs.
CMS lists it as corrected on July 7, 2025.
CMS has cited this home for K0293 2 times since 2022.
Citation K0341. Severity C: potential for minimal harm, widespread.
The rule CMS cited:
Install a fire alarm system that can be heard throughout the facility.
CMS lists it as corrected on July 7, 2025.
CMS update of February 26, 2025
Star rating
The CMS overall star rating changed from 2 of 5 to 1 of 5. CMS changed how it scores this rating for many homes at once.
Star rating
The CMS staffing star rating changed from 2 of 5 to 1 of 5.
Star rating
The CMS quality measures star rating changed from 5 of 5 to 4 of 5. CMS changed how it scores this rating for many homes at once.
Staffing
Total nurse staffing reported to CMS went from 3.6 to 1.3 hours per resident per day.
CMS update of July 31, 2024
Star rating
The CMS staffing star rating changed from 3 of 5 to 2 of 5. CMS changed how it scores this rating for many homes at once.
11 citations
Health inspection on May 10, 2024
CMS lists this as a standard inspection.
Citation F0755. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
CMS lists it as corrected on June 6, 2024.
Citation F0759. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Ensure medication error rates are not 5 percent or greater.
CMS lists it as corrected on June 6, 2024.
Citation F0812. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
CMS lists it as corrected on June 6, 2024.
CMS has cited this home for F0812 2 times since 2022.
Citation F0867. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
CMS lists it as corrected on June 6, 2024.
Citation F0880. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Provide and implement an infection prevention and control program.
CMS lists it as corrected on June 6, 2024.
CMS has cited this home for F0880 2 times since 2022.
Citation F0908. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Keep all essential equipment working safely.
CMS lists it as corrected on June 6, 2024.
CMS has cited this home for F0908 2 times since 2022.
Citation F0912. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
CMS lists it as corrected on June 6, 2024.
CMS has cited this home for F0912 2 times since 2022.
Citation F0925. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.
CMS lists it as corrected on June 6, 2024.
Citation F0550. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
CMS lists it as corrected on June 6, 2024.
Citation F0677. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Provide care and assistance to perform activities of daily living for any resident who is unable.
CMS lists it as corrected on June 6, 2024.
CMS has cited this home for F0677 2 times since 2022.
Citation F0757. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Ensure each resident’s drug regimen must be free from unnecessary drugs.
CMS lists it as corrected on June 6, 2024.
19 citations
Fire safety inspection on May 10, 2024
CMS lists this as a standard inspection.
Citation E0015. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Address subsistence needs for staff and patients.
CMS lists it as corrected on July 2, 2024.
Citation E0026. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Establish roles under a Waiver declared by secretary.
CMS lists it as corrected on July 2, 2024.
Citation E0032. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Provide primary/alternate means for communication.
CMS lists it as corrected on July 2, 2024.
CMS has cited this home for E0032 2 times since 2022.
Citation E0037. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Establish staff and initial training requirements.
CMS lists it as corrected on July 2, 2024.
Citation E0039. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Conduct testing and exercise requirements.
CMS lists it as corrected on July 2, 2024.
Citation K0345. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Have approved installation, maintenance and testing program for fire alarm systems.
CMS lists it as corrected on July 2, 2024.
CMS has cited this home for K0345 2 times since 2022.
Citation K0712. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Have simulated fire drills held at unexpected times.
CMS lists it as corrected on July 2, 2024.
CMS has cited this home for K0712 2 times since 2022.
Citation E0031. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Provide emergency officials' contact information.
CMS lists it as corrected on July 2, 2024.
CMS has cited this home for E0031 2 times since 2022.
Citation K0344. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Have an alternate power supply for its alarm system.
CMS lists it as corrected on July 2, 2024.
Citation K0353. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Inspect, test, and maintain automatic sprinkler systems.
CMS lists it as corrected on July 2, 2024.
Citation K0363. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Install corridor and hallway doors that block smoke.
CMS lists it as corrected on July 2, 2024.
Citation K0711. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Provide a written emergency evacuation plan.
CMS lists it as corrected on July 2, 2024.
Citation K0921. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Ensure that testing and maintenance of electrical equipment is performed.
CMS lists it as corrected on July 2, 2024.
Citation K0923. Severity E: potential for more than minimal harm, pattern.
The rule CMS cited:
Have proper medical gas storage and administration areas.
CMS lists it as corrected on July 2, 2024.
CMS has cited this home for K0923 2 times since 2022.
Citation K0291. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Install emergency lighting that can last at least 1 1/2 hours.
CMS lists it as corrected on July 2, 2024.
Citation K0346. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Follow proper procedures when the fire alarm was out of service for more than 4 hours.
CMS lists it as corrected on July 2, 2024.
Citation K0354. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Follow proper procedures when the automatic sprinkler systems was out of service for more than 10 hours.
CMS lists it as corrected on July 2, 2024.
Citation K0355. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Properly select, install, inspect, or maintain portable fire extinguishes.
CMS lists it as corrected on July 2, 2024.
Citation K0362. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Ensure that corridors are separated from use areas by walls constructed to limit the passage of smoke.
CMS lists it as corrected on July 2, 2024.
CMS update of January 31, 2024
Star rating
The CMS overall star rating changed from 1 of 5 to 2 of 5.
Star rating
The CMS quality measures star rating changed from 4 of 5 to 5 of 5.
11 citations
Health inspection on December 16, 2022
CMS lists this as a standard inspection.
Severity L is the highest of CMS's four levels. CMS uses it when residents' health or safety is at serious risk right away.
8 of 1,165 California homes (under 1%) got a citation at the immediate jeopardy level in 2022.
Citation F0801. Severity L: immediate jeopardy, widespread.
The rule CMS cited:
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.
CMS lists it as corrected on February 9, 2023.
Citation F0726. Severity J: immediate jeopardy, isolated.
The rule CMS cited:
Ensure that nurses and nurse aides have the appropriate competencies to care for every resident in a way that maximizes each resident's well being.
CMS lists it as corrected on February 9, 2023.
Citation F0800. Severity J: immediate jeopardy, isolated.
The rule CMS cited:
Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
CMS lists it as corrected on February 9, 2023.
Citation F0802. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
CMS lists it as corrected on February 9, 2023.
Citation F0812. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
CMS lists it as corrected on February 10, 2023.
Citation F0814. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Dispose of garbage and refuse properly.
CMS lists it as corrected on February 10, 2023.
Citation F0880. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Provide and implement an infection prevention and control program.
CMS lists it as corrected on February 9, 2023.
Citation F0908. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Keep all essential equipment working safely.
CMS lists it as corrected on February 9, 2023.
Citation F0677. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Provide care and assistance to perform activities of daily living for any resident who is unable.
CMS lists it as corrected on February 9, 2023.
Citation F0690. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Provide appropriate care for residents who are continent or incontinent of bowel/bladder, appropriate catheter care, and appropriate care to prevent urinary tract infections.
CMS lists it as corrected on February 9, 2023.
Citation F0912. Severity B: potential for minimal harm, pattern.
The rule CMS cited:
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
CMS lists it as corrected on February 9, 2023.
13 citations
Fire safety inspection on December 16, 2022
CMS lists this as a standard inspection.
Citation K0363. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Install corridor and hallway doors that block smoke.
CMS lists it as corrected on January 20, 2023.
Citation K0712. Severity F: potential for more than minimal harm, widespread.
The rule CMS cited:
Have simulated fire drills held at unexpected times.
CMS lists it as corrected on January 20, 2023.
Citation E0004. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Develop and maintain an Emergency Preparedness Program (EP).
CMS lists it as corrected on January 20, 2023.
Citation E0015. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Address subsistence needs for staff and patients.
CMS lists it as corrected on January 20, 2023.
Citation E0030. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
List the names and contact information of those in the facility.
CMS lists it as corrected on January 20, 2023.
Citation E0031. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Provide emergency officials' contact information.
CMS lists it as corrected on January 20, 2023.
Citation E0032. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Provide primary/alternate means for communication.
CMS lists it as corrected on January 20, 2023.
Citation E0039. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Conduct testing and exercise requirements.
CMS lists it as corrected on January 20, 2023.
Citation K0293. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Have properly located and lighted "Exit" signs.
CMS lists it as corrected on January 20, 2023.
Citation K0345. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Have approved installation, maintenance and testing program for fire alarm systems.
CMS lists it as corrected on January 20, 2023.
Citation K0353. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Inspect, test, and maintain automatic sprinkler systems.
CMS lists it as corrected on January 20, 2023.
Citation K0355. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Properly select, install, inspect, or maintain portable fire extinguishes.
CMS lists it as corrected on January 20, 2023.
Citation K0923. Severity D: potential for more than minimal harm, isolated.
The rule CMS cited:
Have proper medical gas storage and administration areas.
CMS lists it as corrected on January 20, 2023.
Owners and managers
CMS lists these owners and managers for this home. Names are as CMS writes them.
- SERENETHOS CARE CENTER, LLC5% or greater direct ownership interest · 100% · since 03/01/2018
- BALDWIN, RONALDDirect ownership interest · not applicable · since 03/01/2018
- XIE, QINGDirect ownership interest · not applicable · since 03/01/2018
- SERENETHOS CARE CENTER, LLCOperational/managerial control · not applicable · since 03/01/2018
- BALDWIN, RONALDOperational/managerial control · not applicable · since 03/01/2018
- NG, ANDREWOperational/managerial control · not applicable · since 03/01/2018
Questions
When was Serenethos Care Center, LLC last inspected?
CMS lists June 20, 2025 as the date of its most recent standard health inspection.
How many citations (violations) does Serenethos Care Center, LLC have?
CMS lists 25 health citations since December 16, 2022. CMS also calls these deficiencies.
Has Serenethos Care Center, LLC been fined?
CMS lists no fines for this home in the past three years.
What is the CMS star rating of Serenethos Care Center, LLC?
Its CMS overall star rating is 5 of 5.
Is Serenethos Care Center, LLC a Special Focus Facility?
No. CMS does not list it as a Special Focus Facility or a candidate.