Serenethos Care Center, LLC
Hayward, Alameda County, California · CCN 555905 · For-profit (LLC) · not part of a chain
CMS rates Serenethos Care Center, LLC 5 of 5 overall as of August 2026. 36 certified beds, 32 residents a day on average. 25 citations on record from the current inspection cycles, 3 at immediate jeopardy; no fines on record.
CMS’s ratings
The Five-Star Quality Rating System, as CMS publishes it. Where CMS gives no rating, the reason CMS gives is printed instead.
| Overall | ★★★★★ 5 of 5 |
|---|---|
| Health inspections | ★★★★★ 5 of 5 |
| Staffing | ★★★☆☆ 3 of 5 |
| Quality measures | ★★★★☆ 4 of 5 |
| Quality: long-stay / short-stay | 4 / — of 5 |
Staffing
| Total nurse staffing | 3.99397 hours per resident per day |
|---|---|
| Registered nurses | 0.38086 hours per resident per day |
| Weekend total | 3.75489 hours per resident per day |
| Nursing staff turnover | 36.4% |
Citations from health inspections
Each is a finding by a state surveyor on the date shown, in CMS’s words. The severity is CMS’s scope-and-severity grid, spelled out: harm on the left, how widespread on the right.
| Survey | Finding | Severity | Status |
|---|---|---|---|
| 2025-06-20 | 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 · tag F0801 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2025-07-15 |
| 2025-06-20 | Ensure each resident receives an accurate assessment. Resident Assessment and Care Planning Deficiencies · tag F0641 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-07-15 |
| 2025-06-20 | Ensure medication error rates are not 5 percent or greater. Pharmacy Service Deficiencies · tag F0759 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-07-15 |
| 2024-05-10 | Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist. Pharmacy Service Deficiencies · tag F0755 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Ensure medication error rates are not 5 percent or greater. Pharmacy Service Deficiencies · tag F0759 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. Nutrition and Dietary Deficiencies · tag F0812 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action. Administration Deficiencies · tag F0867 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Provide and implement an infection prevention and control program. Infection Control Deficiencies · tag F0880 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Keep all essential equipment working safely. Environmental Deficiencies · tag F0908 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. Environmental Deficiencies · tag F0912 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Make sure there is a pest control program to prevent/deal with mice, insects, or other pests. Environmental Deficiencies · tag F0925 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. Resident Rights Deficiencies · tag F0550 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Provide care and assistance to perform activities of daily living for any resident who is unable. Quality of Life and Care Deficiencies · tag F0677 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2024-06-06 |
| 2024-05-10 | Ensure each resident’s drug regimen must be free from unnecessary drugs. Pharmacy Service Deficiencies · tag F0757 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2024-06-06 |
| 2022-12-16 | 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 · tag F0801 |
L Immediate jeopardy to resident health or safety; widespread | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | 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 · tag F0726 |
J Immediate jeopardy to resident health or safety; isolated | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | 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 · tag F0800 |
J Immediate jeopardy to resident health or safety; isolated | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service. Nutrition and Dietary Deficiencies · tag F0802 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. Nutrition and Dietary Deficiencies · tag F0812 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-02-10 |
| 2022-12-16 | Dispose of garbage and refuse properly. Nutrition and Dietary Deficiencies · tag F0814 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-02-10 |
| 2022-12-16 | Provide and implement an infection prevention and control program. Infection Control Deficiencies · tag F0880 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | Keep all essential equipment working safely. Environmental Deficiencies · tag F0908 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | Provide care and assistance to perform activities of daily living for any resident who is unable. Quality of Life and Care Deficiencies · tag F0677 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | 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 · tag F0690 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2023-02-09 |
| 2022-12-16 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. Environmental Deficiencies · tag F0912 |
B No actual harm, with potential for minimal harm; pattern | Deficient, Provider has date of correction 2023-02-09 |
Fines and payment denials
No fines or payment denials on record since 2023.
Who owns and runs it
Every owner, officer and manager CMS lists, as filed. These are the names in CMS’s ownership record; anyone named in the ownership record can ask about it on the about page.
| Name | Role | Share | Since |
|---|---|---|---|
| Serenethos Care Center, LLC Organization | 5% or greater direct ownership interest | 100% | 2018-03-01 |
| Dickman Weston Group Organization | adp of the snf | — | 2019-08-01 |
| Hansen Hunter LLC Organization | adp of the snf | — | 2019-08-01 |
| Serenethos Care Center, LLC Organization | adp of the snf | — | 2025-04-01 |
| Serenethos Care Center, LLC Organization | operational/managerial control | — | 2018-03-01 |
| Baldwin, Ronald Individual | adp of the snf | — | 2018-03-01 |
| Ng, Andrew Individual | adp of the snf | — | 2018-03-01 |
| Xie, Qing Individual | adp of the snf | — | 2018-03-01 |
| Baldwin, Ronald Individual | direct ownership interest | — | 2018-03-01 |
| Xie, Qing Individual | direct ownership interest | — | 2018-03-01 |
| Ng, Andrew Individual | managing control - governing body | — | 2018-03-01 |
| Baldwin, Ronald Individual | operational/managerial control | — | 2018-03-01 |
| Ng, Andrew Individual | operational/managerial control | — | 2018-03-01 |
What changed
Nothing has changed in this record since it was first loaded. The next CMS refresh is the next chance.
Tell me when this record changes
One email when the monthly CMS refresh brings a new citation, a fine or payment denial, a rating change, a flag, or a change of ownership for Serenethos Care Center, LLC.
Source: Centers for Medicare & Medicaid Services, Provider Data Catalog (public domain), files dated 2026-08-01. Ratings are CMS’s; citations are state surveyors’ findings; nothing here is estimated or a recommendation. Every nursing home in Alameda County.