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Nursing homesCalifornia › Serenethos Care Center, LLC

Serenethos Care Center, LLC

22822 Myrtle Street, Hayward, CA 94541 · 5105374844 · 36 certified beds

Overall★★★★★ 5/5
Health inspections★★★★★ 5/5
Staffing★★★☆☆ 3/5
Quality measures★★★★☆ 4/5

Ownership

CMS lists no chain affiliation for this facility. Ownership type on record: For profit - Limited Liability company.

Staffing (hours per resident per day)

Total nurse staffing: 3.99 (California median: 4.24). RN hours: 0.38. Weekend total: 3.75. Nursing staff turnover: 36%.

Inspection deficiencies

All-time on record: 25 deficiency citations, including 3 at immediate-jeopardy level. Below: citations from 2023 onward (severity letters explained in methodology).

Survey dateDeficiencySev.TypeStatus
2025-06-20Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician. EHealthcorrected 2025-07-15
2025-06-20Ensure each resident receives an accurate assessment. DHealthcorrected 2025-07-15
2025-06-20Ensure medication error rates are not 5 percent or greater. DHealthcorrected 2025-07-15
2024-05-10Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist. EHealthcorrected 2024-06-06
2024-05-10Ensure medication error rates are not 5 percent or greater. EHealthcorrected 2024-06-06
2024-05-10Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. EHealthcorrected 2024-06-06
2024-05-10Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action. EHealthcorrected 2024-06-06
2024-05-10Provide and implement an infection prevention and control program. EHealthcorrected 2024-06-06
2024-05-10Keep all essential equipment working safely. EHealthcorrected 2024-06-06
2024-05-10Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. EHealthcorrected 2024-06-06
2024-05-10Make sure there is a pest control program to prevent/deal with mice, insects, or other pests. EHealthcorrected 2024-06-06
2024-05-10Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. DHealthcorrected 2024-06-06
2024-05-10Provide care and assistance to perform activities of daily living for any resident who is unable. DHealthcorrected 2024-06-06
2024-05-10Ensure each resident’s drug regimen must be free from unnecessary drugs. DHealthcorrected 2024-06-06

Federal penalties

No federal fines or payment denials on record.

Ownership & control records (CMS filings)

NameRoleType%Since
SERENETHOS CARE CENTER, LLC5% Or Greater Direct Ownership InterestOrganization100%since 03/01/2018
BALDWIN, RONALDDirect Ownership InterestIndividualNOT APPLICABLEsince 03/01/2018
XIE, QINGDirect Ownership InterestIndividualNOT APPLICABLEsince 03/01/2018
NG, ANDREWManaging Control - Governing BodyIndividualNOT APPLICABLEsince 03/01/2018
SERENETHOS CARE CENTER, LLCOperational/Managerial ControlOrganizationNOT APPLICABLEsince 03/01/2018
BALDWIN, RONALDOperational/Managerial ControlIndividualNOT APPLICABLEsince 03/01/2018
NG, ANDREWOperational/Managerial ControlIndividualNOT APPLICABLEsince 03/01/2018

Compare nearby (Alameda County)

Source: CMS Provider Data Catalog (July 2026 release) — provider file, deficiency file, ownership file, penalty file. CCN 555905. Corrections: data@carerecords.org.