SERENETHOS CARE CENTER, LLC

22822 MYRTLE STREET, HAYWARD, CA 94541 · CCN 555905 · 36 certified beds · Data as of 2026-07-01

CMS overall5 of 5CMS inspections5 of 5CMS staffing3 of 5CMS quality4 of 5

Star ratings are issued by CMS (the federal Centers for Medicare & Medicaid Services), not by NursingHomeLens. We report them; we do not rate or rank facilities.

25 citation(s) appear in this facility's record, none at CMS's actual-harm or immediate-jeopardy levels in the last three years.

Serious inspection findings

2022-12-16 IMMEDIATE JEOPARDY (tag F0800, severity J)
Nutrition and Dietary Deficiencies · correction not recorded in CMS data
Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
2022-12-16 IMMEDIATE JEOPARDY (tag F0726, severity J)
Nursing and Physician Services Deficiencies · correction not recorded in CMS data
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.
2022-12-16 IMMEDIATE JEOPARDY (tag F0801, severity L)
Nutrition and Dietary Deficiencies · correction not recorded in CMS data
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.

Staffing, from payroll records

Nursing hours / resident / day

3.82

state median 3.94

Weekend staffing gap

−2%

fewer nursing hours on weekends · state median −5%

RN hours / resident / day

0.20

registered nurses only

Contract (agency) staff

5%

share of all nursing hours

Days with zero RN hours reported

33

with residents present

Nursing staff turnover

36%

per year, per CMS

Source: CMS Payroll-Based Journal, 2026Q1, 90 reported days — actual payroll data, not the facility's own estimates.

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Penalties and enforcement

CMS records no penalties for this facility.

Ownership

Ownership type: For profit - Limited Liability company.

Full citation history

By severity: No harm, potential for minimal harm: 1 · Potential for more than minimal harm: 21 · Immediate jeopardy: 3

Survey dateTagCategorySeverityCorrected
2025-06-20F0641Resident Assessment and Care Planning DeficienciesDnot recorded
2025-06-20F0759Pharmacy Service DeficienciesDnot recorded
2025-06-20F0801Nutrition and Dietary DeficienciesEnot recorded
2024-05-10F0550Resident Rights DeficienciesDnot recorded
2024-05-10F0677Quality of Life and Care DeficienciesDnot recorded
2024-05-10F0755Pharmacy Service DeficienciesEnot recorded
2024-05-10F0757Pharmacy Service DeficienciesDnot recorded
2024-05-10F0759Pharmacy Service DeficienciesEnot recorded
2024-05-10F0812Nutrition and Dietary DeficienciesEnot recorded
2024-05-10F0867Administration DeficienciesEnot recorded
2024-05-10F0880Infection Control DeficienciesEnot recorded
2024-05-10F0908Environmental DeficienciesEnot recorded
2024-05-10F0912Environmental DeficienciesEnot recorded
2024-05-10F0925Environmental DeficienciesEnot recorded
2022-12-16F0677Quality of Life and Care DeficienciesDnot recorded
2022-12-16F0690Quality of Life and Care DeficienciesDnot recorded
2022-12-16F0726Nursing and Physician Services DeficienciesJnot recorded
2022-12-16F0800Nutrition and Dietary DeficienciesJnot recorded
2022-12-16F0801Nutrition and Dietary DeficienciesLnot recorded
2022-12-16F0802Nutrition and Dietary DeficienciesFnot recorded
2022-12-16F0812Nutrition and Dietary DeficienciesFnot recorded
2022-12-16F0814Nutrition and Dietary DeficienciesFnot recorded
2022-12-16F0880Infection Control DeficienciesFnot recorded
2022-12-16F0908Environmental DeficienciesFnot recorded
2022-12-16F0912Environmental DeficienciesBnot recorded

Sources: CMS Provider Information, Health Deficiencies, Penalties, and Ownership datasets (data.cms.gov/provider-data), processed 2026-07-01; CMS Payroll-Based Journal daily staffing. Find this facility on Care Compare: search “SERENETHOS CARE CENTER, LLC, HAYWARD” at medicare.gov/care-compare.