Deficiency Index

Serenethos Care Center, LLC

Hayward, California · CCN 555905

16 surveys since 2017, 4 of them producing a finding at harm level or worse.

Data as of , released by CMS on October 8, 2026. Source: CMS Provider Data Catalog.

Citations on record
63
Surveys
16
Harm or worse
4
Immediate jeopardy
3
The record, 2017–2025
’17’20’25
No harm recordedHarm or worseNot surveyed
Immediate jeopardy3

Findings at the most serious level CMS records.

Beyond CMS’s monthly file13/16

Older surveys no longer in CMS’s monthly file or on Care Compare. They are shown here.

The facility

Certified beds
36
Ownership
For profit - Limited Liability company
Chain
Independent
County
Alameda
Medicare-certified since
2017

CMS ratings

Overall
5
Health inspection
5
Staffing
3
Quality measures
4

CMS’s own Five-Star ratings.

Compared with similar facilities

Since 2021, this facility recorded more weighted findings than most of its peer group.

Weighted by harm level, against 252 for-profit facilities with fewer than 66 beds in California.

Last survey on record

Jun 20, 2025

507 days ago.

Counts surveys with at least one finding. A clean survey leaves no record here, so the real gap may be shorter.

Staffing

MeasureThis facilityPeer median
Nurse hours per resident day3.994.36
Registered-nurse hours per resident day0.38—
Annual nurse turnover36.4%36.4%

As reported by the facility to CMS, beside the peer-group median.

Enforcement

No fines, payment denials or special-focus designation on the current CMS record.

Severity of recent findings

Citations by CMS scope and severity. Rows are harm level, columns are how widespread the finding was.
SeverityIsolatedPatternWidespread
Immediate jeopardyJ28.0%K—L14.0%
Actual harmG—H—I—
No harm, potential for more than minimalD728.0%E936.0%F520.0%
No harm, potential for minimalA—B14.0%C—
CMS’s current file: 25 of the 63 citations on record.

Most frequently cited here

In CMS’s current monthly file.

  • F6772×

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

  • F7592×

    Ensure medication error rates are not 5 percent or greater.

  • F8012×

    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.

  • F8122×

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

  • F8802×

    Provide and implement an infection prevention and control program.

In the surveyor’s words

From the most serious findings on record at Serenethos Care Center, LLC, in the surveyor’s own words.

  • Immediate jeopardy, widespreadF801Dec 16, 2022

    Based on observation, review of facility documents, and staff interviews, the facility failed to comply with federal regulations related to the oversight of food service operations when the facility did not have a full-time dietitian and the requirements were not met as specified in established standards (California Code, Health and Safety Code - HSC S 1265.4) for food service managers which required, employment of a full-time dietetic supervisor when the dietitian was not full time. […]

  • Immediate jeopardy, isolatedF726Dec 16, 2022

    Based on observation, interview, and facility document review, the facility failed to ensure nursing staff demonstrated appropriate competencies and skillsets necessary to care for residents' needs when physician prescribed food texture was not verified before serving food to residents, and when Certified Nursing Aide 3 (CNA 3) did not have the knowledge to identify the appropriate food texture in accordance with the diet order before serving food to a resident. These failures had the potential for one resident (Resident 34) out of a facility census of 35, to aspirate (to breath in or inhale foreign objects into the lungs. […]

  • Immediate jeopardy, isolatedF800Dec 16, 2022

    Based on observation, interview, and document review, the facility failed to provide a resident (Resident 34) a special dietary need as well as ensure Food and Nutrition Services had a system in place for preparing and serving the correct diet texture according to the physician's order when a regular texture diet (a diet that includes all textures of food including hard, tough, chewy, fibrous, stringy, dry, crispy, and crunchy; and intended for people without chewing and swallowing issues) was prepared for a resident (Resident 34) with prescribed modified texture Full Liquid diet (a diet made with fluids and foods that are normally liquid and/or turn to liquid when they are at room temperature). […]

  • No harm, potential for more than minimal, widespreadF689Mar 9, 2023

    Based on observations, interviews, and record reviews, the facility failed to ensure an environment free of accident hazards when: 1. For 36 of 36 residents, the facility main entrance door was not securely closed to prevent unauthorized entrance or exit by residents or visitors. 2. For one of four sampled residents (Resident 1), the existing door alarm system did not alert staff to his unauthorized exit. These failures resulted in Resident 1 eloping on two occasions with minor scrapes and scratches sustained after the second elopement, and had the potential to result in elopements by other residents and access to residents by unauthorized visitors. Findings: During an observation on 2/13/23, at 11:45 a.m., the facility main entrance door was ajar several inches. […]

  • No harm, potential for more than minimal, widespreadF802Dec 16, 2022

    Based on observation, interview, and facility document review, the facility failed to ensure the competency of staff when: 1. Staff did not know how to test the food-contact surface sanitizer; 2. Staff were not able to calibrate thermometers used to measure the temperature of food; 3. Staff did not know appropriate procedures for manual dishwashing; 4. Staff did not follow a recipe for the planned menu; and 5. Staff did not know the appropriate water temperature required for the dish machine. […]

Read 21 findings in full →The most serious and the most recent: 21 of 63 on record.

Every survey on record

FindingsAt actual harm or above

  • Jun 20, 2025Standard3 findings
  • May 10, 2024Standard11 findings
  • Mar 9, 2023Complaint3 findings
  • Dec 16, 2022Standard11 findings · 3 harm
  • Nov 22, 2022Complaint2 findings
  • Apr 8, 2022Complaint1 finding
  • Apr 23, 2021Complaint1 finding
  • Dec 23, 2020Complaint1 finding
Show the 8 earlier surveys
  • Aug 13, 2020Infection control1 finding
  • Jul 31, 2020Infection control2 findings
  • Jun 26, 2019Complaint1 finding
  • May 23, 2019Standard8 findings · 1 harm
  • Aug 23, 2018Complaint1 finding
  • Apr 13, 2018Standard9 findings
  • Apr 12, 2018Complaint1 finding
  • Mar 30, 2017Standard7 findings

Surveys that found no deficiencies are not in CMS’s files and do not appear here.

Comparable facilities

The nearest facilities to this one in the same peer group, by weighted findings.

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