Staffing
CMS publishes a 3-star staffing rating for this facility.
RN staffing was 0.38 hours per resident day in 2026Q1, calculated from CMS PBJ records.
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SERENETHOS CARE CENTER, LLC has 36 certified beds in HAYWARD, California. The CMS overall rating is 5 of 5, compared with the California average of 3.2. The CMS health inspection rating is 5 of 5, compared with the California average of 2.8. The CMS staffing rating is 3 of 5. The latest standard health survey on Jun 20, 2025 lists 3 deficiencies, compared with the California average of 11.3. Total nurse staffing is 3.99 hours per resident day in 2026Q1, compared with the California average of 4.53.
Independent research from official CMS public records. No paid ranking. No Trust Hub quality score.
Research this nursing home using CMS and federal public records. CMS Certification Number 555905.
At a glance
5 of 5
5 of 5
3 of 5
4 of 5
CMS has published 1 ownership-change record for this provider.
These are CMS star ratings, not Trust Hub ratings. Missing evidence is shown as not reported, not as zero.
Quality & care evidence
Staffing, inspections, and fire safety are separate CMS evidence families below.
Ownership & management
Current ownership uses CURRENT OWNED_BY evidence only. UNKNOWN is not a former owner.
These relationships were observed in an older snapshot. UNKNOWN does not mean former owner, previous owner, or that ownership ended.
Ownership change history
CMS publishes Change of Ownership records for this nursing home.
CMS records show an ownership change effective 2018-03-01.
These are CMS transaction records. They are not a Trust Hub quality, stability, or sale judgment.
Source freshness
Profile generated 2026-11-04. That timestamp is not CMS evidence freshness.
Methodology
CMS overview
No proprietary TrustHub score. These ratings are published separately by CMS. How CMS ratings and facility records are read
Facility information
CMS remains the primary federal record. Public website and additional contact details appear only when independently verified.
State regulatory evidence
California Department of Public Health is the state source for this license record. It does not replace CMS federal certification, ratings, or certified-bed counts.
California Department of Public Health
State regulatory data · checked Aug 2026
CMS designations
This CMS Certification Number appears in the latest CMS Nursing Home Provider Information extract of currently listed nursing homes.
CMS does not currently identify this nursing home as a Special Focus Facility or candidate in the loaded Provider Information extract.
CMS field value: (blank). Observed Aug 1, 2026.
CMS does not currently apply its abuse-icon designation to this facility in the loaded Provider Information extract.
CMS field value: N. Observed Aug 1, 2026.
Enrollment identity
These identifiers come from CMS SNF enrollment records linked to this CCN. They are not a substitute for the CMS Certification Number.
MDS quality measures
These MDS quality measures are individual CMS-published scores. They are not the CMS quality-measure star rating.
MDS source release 2026-08-01.
Fire-safety citations
These are fire-safety citations, not health deficiencies and not a count of fires.
Decision guide
Factual evidence to examine before you decide. These summaries are not a score or recommendation.
CMS publishes a 3-star staffing rating for this facility.
RN staffing was 0.38 hours per resident day in 2026Q1, calculated from CMS PBJ records.
View staffing evidenceThe latest standard inspection on Jun 20, 2025 cited 3 deficiencies.
View inspection evidenceCMS-published records list 29 ownership or control parties.
CMS records show an ownership change effective March 2018.
View ownership evidenceOwnership & operation
Operator, licensee, owner, manager, and chain stay separate. A connected organization is not automatically the party that runs daily operations.
Supported by multiple government sources
SeniorTrustHub found evidence connecting this facility to:
27 currently connected nursing homes share this CMS organization identity with HANSEN HUNTER LLC.
Ownership
These are CMS-published ownership disclosures. Medicare enrollment ownership and managerial-control information is reported by enrolled providers through CMS forms; it is not an independent determination of beneficial ownership.
Organization · 5% OR GREATER DIRECT OWNERSHIP INTEREST
Published ownership percentage: 100%
Association date reported to CMS: Mar 1, 2018
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Organization · ADP OF THE SNF
Association date reported to CMS: Aug 1, 2019
Other facilities connected through this exact CMS organization identity: 0 across CA.
Organization · ADP OF THE SNF
Association date reported to CMS: Aug 1, 2019
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Organization · ADP OF THE SNF
Association date reported to CMS: Apr 1, 2025
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Individual · DIRECT OWNERSHIP INTEREST
Association date reported to CMS: Mar 1, 2018
Individual · DIRECT OWNERSHIP INTEREST
Association date reported to CMS: Mar 1, 2018
Individual · MANAGING CONTROL - GOVERNING BODY
Association date reported to CMS: Mar 1, 2018
Individual · OPERATIONAL/MANAGERIAL CONTROL
Association date reported to CMS: Mar 1, 2018
Individual · OPERATIONAL/MANAGERIAL CONTROL
Association date reported to CMS: Mar 1, 2018
Organization · OPERATIONAL/MANAGERIAL CONTROL
Association date reported to CMS: Mar 1, 2018
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · 5% OR GREATER DIRECT OWNERSHIP INTEREST
Published ownership percentage: 20%
Association date reported to CMS: Mar 1, 2018
Organization · 5% OR GREATER DIRECT OWNERSHIP INTEREST
Published ownership percentage: 100%
Association date reported to CMS: Mar 1, 2018
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · 5% OR GREATER DIRECT OWNERSHIP INTEREST
Published ownership percentage: 80%
Association date reported to CMS: Mar 1, 2018
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Organization · ADP OF THE SNF
Association date reported to CMS: Aug 1, 2019
Other facilities connected through this exact CMS organization identity: 2 across CA.
Organization · ADP OF THE SNF
Association date reported to CMS: Aug 1, 2019
Other facilities connected through this exact CMS organization identity: 34 across AR, AZ, CA, NM, OR, TX, WA.
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Organization · ADP OF THE SNF
Association date reported to CMS: Apr 1, 2025
Other facilities connected through this exact CMS organization identity: 0 across CA.
Individual · ADP OF THE SNF
Association date reported to CMS: Mar 1, 2018
Individual · DIRECT OWNERSHIP INTEREST
Published ownership percentage: 20%
Association date reported to CMS: Mar 1, 2018
Individual · DIRECT OWNERSHIP INTEREST
Published ownership percentage: 80%
Association date reported to CMS: Mar 1, 2018
Individual · MANAGING CONTROL - GOVERNING BODY
Association date reported to CMS: Mar 1, 2018
Individual · OPERATIONAL/MANAGERIAL CONTROL
Association date reported to CMS: Mar 1, 2018
Individual · OPERATIONAL/MANAGERIAL CONTROL
Association date reported to CMS: Mar 1, 2018
Organization · OPERATIONAL/MANAGERIAL CONTROL
Published ownership percentage: 100%
Association date reported to CMS: Mar 1, 2018
Other facilities connected through this exact CMS organization identity: 0 across CA.
Organization · Medicare-enrolled legal organization
Other facilities connected through this exact CMS organization identity: 0 across CA.
Roles are shown as CMS publishes them. Different CMS sources can describe different enrollment, ownership, and control concepts, so TrustHub keeps each source-specific disclosure distinct.
Inspections & deficiencies
Scope and severity terms below are CMS classifications. They are not a TrustHub score.
No health-deficiency rows were deterministically linked to this inspection.
Ensure each resident receives an accurate assessment.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jul 15, 2025)
Ensure medication error rates are not 5 percent or greater.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jul 15, 2025)
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 scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jul 15, 2025)
No health-deficiency rows were deterministically linked to this inspection.
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Provide care and assistance to perform activities of daily living for any resident who is unable.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Ensure each resident’s drug regimen must be free from unnecessary drugs.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Ensure medication error rates are not 5 percent or greater.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Provide and implement an infection prevention and control program.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Keep all essential equipment working safely.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.
CMS scope/severity E: Pattern; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Jun 6, 2024)
No health-deficiency rows were deterministically linked to this inspection.
Provide care and assistance to perform activities of daily living for any resident who is unable.
CMS scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
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 scope/severity D: Isolated; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
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 scope/severity J: Isolated; Immediate jeopardy to resident health or safety.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
CMS scope/severity J: Isolated; Immediate jeopardy to resident health or safety.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
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 scope/severity L: Widespread; Immediate jeopardy to resident health or safety.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
CMS scope/severity F: Widespread; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
CMS scope/severity F: Widespread; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 10, 2023)
Dispose of garbage and refuse properly.
CMS scope/severity F: Widespread; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 10, 2023)
Provide and implement an infection prevention and control program.
CMS scope/severity F: Widespread; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Keep all essential equipment working safely.
CMS scope/severity F: Widespread; No actual harm with potential for more than minimal harm that is not immediate jeopardy.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
CMS scope/severity B: Pattern; No actual harm with potential for minimal harm.
Correction status: Deficient, Provider has date of correction (Feb 9, 2023)
Penalties & enforcement
No penalty records were found for this provider in the currently loaded CMS Penalties dataset.
Questions to ask
Facility history
14 historical events available. Dates and values come from published CMS and official state regulator evidence, not a score.
3 deficiencies were recorded.
CMS · Recorded event date · View related evidence
11 deficiencies were recorded.
CMS · Recorded event date · View related evidence
11 deficiencies were recorded. That includes 3 higher-severity deficiencies.
CMS · Recorded event date · View related evidence
An ownership change was recorded. New organization: SERENETHOS CARE CENTER, LLC.
ST CHRISTOPHER CONVALESCENT HOSPITAL INC → SERENETHOS CARE CENTER, LLC
CMS · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $1,500 on 2016-04-13.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $600 on 2002-07-11.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $600 on 2002-07-11.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $1,000 on 2002-05-29.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $7,500 on 2002-05-02.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $600 on 2002-02-22.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $700 on 2001-01-26.
California Department of Public Health · Recorded event date · View related evidence
California Department of Public Health recorded a state fine of $600 on 2000-11-21.
California Department of Public Health · Recorded event date · View related evidence
Staffing
CMS staffing rating: 3 of 5 stars. CMS calculates that rating separately using its published methodology. The values below are calculations from daily PBJ records for 2026Q1 (current source quarter).
| Measure | Monday–Friday | Saturday–Sunday |
|---|---|---|
| Total nursing | 4.091 | 3.755 |
| RN categories | 0.397 | 0.341 |
Contract staff accounted for 5.3% of reported nursing hours included in this quarter calculation.
PBJ reports zero combined RN-category hours on 1 day with a positive MDS census in this quarter.
Reported RN-category hours per resident day were 0.084 lower than the prior loaded quarter.
Solid bar: Total nursing · Outlined bar: RN categories
| Quarter | Total nursing | RN categories | LPN/LVN | CNA | Contract share | Days |
|---|---|---|---|---|---|---|
| 2025Q2 | 3.873 | 0.305 | 1.01 | 2.558 | 0% | 91 |
| 2025Q3 | 3.757 | 0.398 | 0.837 | 2.522 | 4.1% | 92 |
| 2025Q4 | 3.944 | 0.465 | 0.929 | 2.55 | 8.6% | 92 |
| 2026Q1 | 3.994 | 0.381 | 1.085 | 2.528 | 5.3% | 90 |
Hours-per-resident-day values are calculated by this platform from CMS-published daily PBJ hours and MDS census. For each displayed period, included hours are summed and divided by the summed census for days with a positive census. They are not CMS case-mix-adjusted staffing measures or a staffing rating.
View official CMS PBJ sourceWhat we can verify today
These measures come from the current successfully ingested CMS Nursing Home Provider Information release.
Trust participation
Claims, corrections, and factual context are free. Submissions never replace CMS evidence or affect ranking.
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