C
ST ANTHONY CARE CENTER
51/100 score
0.32 hrs RN staffing
4 deficiencies
SERENETHOS CARE CENTER, LLC
22822 MYRTLE STREET, HAYWARD, CA 94541
- Provider number (CCN)
- 555905
- Certification
- Medicare and Medicaid
- Ownership
- For profit - Limited Liability company
- Certified beds
- 36
- Phone
- (510) 537-4844
- CMS data as of
- August 1, 2026
C
●
stable
Staffing 0% · Deficiencies 0% over tracking period
What the records show
CMS rates SERENETHOS CARE CENTER, LLC 5 out of 5 stars overall, with 5 of 5 for health inspections, 3 of 5 for staffing, 4 of 5 for quality measures. Federal inspectors cited 25 health deficiencies across the last three survey cycles, most recently surveyed in 2025, 3 at actual-harm level or higher. CMS lists no fines or payment denials for this facility in the covered period.
Facility Assessment
Inspectors recorded 3 citations at the actual-harm level or worse in the last three survey cycles. This facility staffs below 0.55 RN hours per resident day — the level the 2024 federal rule, repealed in February 2026, would have required.
Reviews, Ratings and Official Records
This page reviews SERENETHOS CARE CENTER, LLC using federal government records — CMS star ratings, health-inspection findings, staffing data and enforcement actions. NursingHomeGrade does not collect, host or publish resident or family testimonials, and no star rating below is a consumer review score.
Below the repealed 0.55 hr benchmark — review the inspection and enforcement records below for the safety history behind the grade.
Ratings and Grade Breakdown
|
RN Staffing
Registered nurse time each resident receives daily. 2024 federal benchmark: 0.55 hrs. Repealed February 2026.
|
0.38 — Below the repealed 0.55 hr benchmark |
The 0.55 hour RN standard was repealed effective February 2, 2026 and is not currently enforced. We still grade against it. Why |
|
|
Health Deficiencies (last 3 survey cycles)
Violations found during federal inspections, with how many remain open and how many involved actual harm.
|
Total
25
Outstanding
0
Actual harm or worse (G–L)
3
|
|
CMS Ratings
Federal five-star ratings published by CMS. These are regulatory ratings, not consumer review scores.
|
Overall: ★★★★★ (5/5)
Health inspection: ★★★★★ (5/5)
Quality: ★★★★☆ (4/5)
Staffing: ★★★☆☆ (3/5)
|
|
NursingHomeGrade Score
|
56/100 |
Loaded into NursingHomeGrade on September 5, 2026. This is the load date, not the date CMS published the underlying survey data — see release dates.
CMS scores each facility from one to five stars — one is in the bottom fifth of facilities in its state on health inspections, five is in the top tenth. Our own A–F grade is a separate 0–100 score built from staffing hours, inspection citations, and the severity and correction status of those citations, weighted as described in our grading methodology.
Staffing Compared With State and National Levels
| This facility | 0.38 hrs |
|---|---|
| CA median | 0.50 hrs |
| National average | 0.69 hrs |
Total nursing staff turnover: 36.4%
Staffing figures are the values CMS published in its file processed August 1, 2026, drawn from payroll-based journal reporting.
Inspection Records Covered
- Most recent standard health survey: June 20, 2025.
- Citations shown below span 3 recorded inspection cycles.
- Survey dates on file range from December 16, 2022 to June 20, 2025.
Source records: CMS Care Compare profile for provider 555905 ↗ · the federal files we load and when.
Inspection Deficiencies
Health inspections identify violations of federal standards. Severity ranges from no actual harm (A–F) to immediate jeopardy (J–L).
3 immediate jeopardy issues found among 25 total deficiencies. 25 corrected.
Most recent inspection (June 20, 2025)
E
Potential harm — pattern
F0801
Status: Corrected
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.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected July 15, 2025
D
Potential harm — isolated
F0759
Status: Corrected
Ensure medication error rates are not 5 percent or greater.
Pharmacy Service Deficiencies — Deficient, Provider has date of correction, corrected July 15, 2025
D
Potential harm — isolated
F0641
Status: Corrected
Ensure each resident receives an accurate assessment.
Resident Assessment and Care Planning Deficiencies — Deficient, Provider has date of correction, corrected July 15, 2025
Inspection cycle 2 (May 10, 2024)
E
Potential harm — pattern
F0867
Status: Corrected
Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
Administration Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0908
Status: Corrected
Keep all essential equipment working safely.
Environmental Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0912
Status: Corrected
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Environmental Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0925
Status: Corrected
Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.
Environmental Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0880
Status: Corrected
Provide and implement an infection prevention and control program.
Infection Control Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0812
Status: Corrected
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0755
Status: Corrected
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
Pharmacy Service Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
E
Potential harm — pattern
F0759
Status: Corrected
Ensure medication error rates are not 5 percent or greater.
Pharmacy Service Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
D
Potential harm — isolated
F0757
Status: Corrected
Ensure each resident’s drug regimen must be free from unnecessary drugs.
Pharmacy Service Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
D
Potential harm — isolated
F0677
Status: Corrected
Provide care and assistance to perform activities of daily living for any resident who is unable.
Quality of Life and Care Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
D
Potential harm — isolated
F0550
Status: Corrected
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
Resident Rights Deficiencies — Deficient, Provider has date of correction, corrected June 6, 2024
Inspection cycle 3 (December 16, 2022)
F
Potential harm — widespread
F0908
Status: Corrected
Keep all essential equipment working safely.
Environmental Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
B
No harm — pattern
F0912
Status: Corrected
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Environmental Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
F
Potential harm — widespread
F0880
Status: Corrected
Provide and implement an infection prevention and control program.
Infection Control Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
J
Immediate jeopardy — isolated
F0726
Status: Corrected
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.
Nursing and Physician Services Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
L
Immediate jeopardy — widespread
F0801
Status: Corrected
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.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
J
Immediate jeopardy — isolated
F0800
Status: Corrected
Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
F
Potential harm — widespread
F0802
Status: Corrected
Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
F
Potential harm — widespread
F0812
Status: Corrected
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected February 10, 2023
F
Potential harm — widespread
F0814
Status: Corrected
Dispose of garbage and refuse properly.
Nutrition and Dietary Deficiencies — Deficient, Provider has date of correction, corrected February 10, 2023
D
Potential harm — isolated
F0677
Status: Corrected
Provide care and assistance to perform activities of daily living for any resident who is unable.
Quality of Life and Care Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
D
Potential harm — isolated
F0690
Status: Corrected
Provide appropriate care for residents who are continent or incontinent of bowel/bladder, appropriate catheter care, and appropriate care to prevent urinary tract infections.
Quality of Life and Care Deficiencies — Deficient, Provider has date of correction, corrected February 9, 2023
Fines and Enforcement Actions
CMS lists no fines and no payment denials for SERENETHOS CARE CENTER, LLC in the enforcement records covering the last three years, as published in the file processed August 1, 2026.
Ownership and Contact Information
- Facility name
- SERENETHOS CARE CENTER, LLC
- Address
- 22822 MYRTLE STREET, HAYWARD, CA 94541
- Phone
- (510) 537-4844
- Provider number (CCN)
- 555905
- Ownership type
- For profit - Limited Liability company
- Medicare/Medicaid certified since
- May 16, 2017
- Official record
- CMS Care Compare profile ↗
- Details verified against CMS data dated
- August 1, 2026
The federal nursing-home files publish no email address for certified facilities, so none is listed here. We do not guess or construct contact addresses. Contact details above are reproduced from CMS Provider Information; call the facility to confirm before relying on them.
How We Stay Independent
NursingHomeGrade is strictly independent. We do not accept payments from facilities. Our grades are calculated solely from federal CMS datasets.
Learn about our data methodology →Nearby facilities in HAYWARD
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Sources and Methodology
- CMS Provider Information (file processed August 1, 2026) — ratings, staffing, ownership, certification and contact details. Dataset 4pq5-n9py ↗
- CMS Health Deficiencies — inspection citations, scope and severity, correction status. Dataset r5ix-sfxw ↗
- CMS Ownership — owning and managing organisations. Dataset y2hd-n93e ↗
The NursingHomeGrade score is our own calculation from these federal files — it is not a CMS rating and not a consumer review score. See exactly how the score is calculated · full methodology · source files and load dates.
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