Serenethos Care Center, Llc
22822 Myrtle Street, Hayward, CA, 94541
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Order the reportFederal Quality Data
Official records from CMS Care Compare — reported by the facility and audited by the Centers for Medicare & Medicaid Services. We present them unmodified. Refreshed June 2026.
CMS Star Ratings
Facility & Staffing
- Ownership
- For profit - Limited Liability company
- Certified beds
- 36 · avg 32 residents/day
- Total nursing staff turnover
- 45.2% — higher than most California nursing homesCalifornia avg: 37.4% · National avg: 46.1% · per CMS Care Compare
Medicare certification
- CMS Certification Number
- 555905
- Certified beds
- 36 beds · avg 32 residents/day
- Ownership type
- For profit - Limited Liability company
- Continuing-care community
- No
CMS Care Compare, processing date June 1, 2026
Ownership & operations
- Legal business name
- Serenethos Care Center, Llc
CMS Care Compare, processing date June 1, 2026
Federal ownership record
Disclosed owners (6 on record)
- Serenethos Care Center, Llc
Adp of The Snf · since 2025
- Dickman Weston Group
Adp of The Snf · since 2019
- Hansen Hunter Llc
Adp of The Snf · since 2019
- Andrew Chi-wei ng
Operational/managerial Control · since 2018
- Qing Xie
Direct Ownership Interest · 80% · since 2018
- Ronald e Baldwin
Direct Ownership Interest · 20% · since 2018
Source: CMS Provider Enrollment data — SNF Enrollments + All Owners, as of May 2026.
Federal inspection record
Immediate-jeopardy citations (CMS scope/severity J–L) are the most serious category federal inspectors issue — meaning a deficiency placed residents in immediate risk of serious harm. Ask the facility for the corrective-action plan filed with CMS, and consider contacting your state long-term care ombudsman for context.
Recent health-deficiency citations (most recent 8 of 25)
- E0801·Jun 20, 2025
Nutrition and Dietary Deficiencies
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.
- D0759·Jun 20, 2025
Pharmacy Service Deficiencies
Ensure medication error rates are not 5 percent or greater.
- D0641·Jun 20, 2025
Resident Assessment and Care Planning Deficiencies
Ensure each resident receives an accurate assessment.
- E0925·May 10, 2024
Environmental Deficiencies
Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.
- E0912·May 10, 2024
Environmental Deficiencies
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
- E0908·May 10, 2024
Environmental Deficiencies
Keep all essential equipment working safely.
- E0880·May 10, 2024
Infection Control Deficiencies
Provide and implement an infection prevention and control program.
- E0867·May 10, 2024
Administration Deficiencies
Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
Fire-safety citations
44 Life-Safety-Code citations on file. Most recent: Jun 20, 2025. Fire-safety inspections cover building-level Life Safety Code compliance, separate from the resident-care health survey.
Source: CMS Provider Data Catalog — Health Deficiencies, Fire Safety Deficiencies, and Penalties datasets, snapshot Jun 1, 2026.
Facility background report
The entire federal paper trail on this facility, in one report.
We compile everything the government publishes about Serenethos Care Center, Llcinto one plain-English report: full inspection history with severity grades, every fine, staffing versus state averages, who really owns the facility, and how the owner's other facilities perform. Every fact cites its federal source.
Order the full background report — $249Where this information comes from
- Certification, capacity, ownership, star ratings, staffing, fines, deficiencies: CMS Care Compare, processing date June 1, 2026.
Data comes unaltered from the federal files. See every source we publish from.