SERENETHOS CARE CENTER, LLC – HAYWARD, CA

CMS Verified | 2026-03-01

Serenethos Care Center, LLC

22822 MYRTLE STREET, Hayward, CA 94541
(510) 537-4844
36 beds
All Hayward facilities
4.0*
Overall
4.0*
Health Inspection
4.0*
Quality Care
3.0*
Staffing
78.34
Score /100
#4409
National Rank

#4409
of 14703 facilities
National
70.0% position
#523
of 1162 in CA
State Rank
#39
of 69 in Alameda
County Rank
#9
of 16 in Hayward
City Rank
#8
of 12 in ZIP 94541
ZIP Rank






About Serenethos Care Center, LLCSerenethos Care Center, Llc is located at 22822 Myrtle Street, Hayward, CA, reachable at (510) 537-4844. This For profit – Limited Liability company facility operates 36.0 certified beds and serves an average of 31 residents per day. Medicare and Medicaid services have been provided since 2017-05-16. The facility currently holds a above average (4-star) overall rating from the Centers for Medicare & Medicaid Services (CMS).
Facility

Serenethos Care Center, LLC

Address

22822 Myrtle Street, Hayward, CA 94541

Care Offered
  • Long-Term Care
  • Rehab / Short-Term Care
Medicare & Medicaid
  • Accepts Medicare
  • Accepts Medicaid
Facility Details
  • 36 Certified Beds
  • Ownership: For profit – Limited Liability company
  • Resident Council: Resident
  • Automatic Sprinklers: Yes

Quick Verdict

Overall Quality
✅ Above Average (4★) overall rating
Health Inspection
✅ Above Average (4★) health inspection
Staffing
⚠️ Average (3★) staffing rating
Quality of Care
✅ Above Average (4★) quality of care
Compliance
❌ 8 fine(s) over 5 years
5-Year Trend
Improving over 5 years
78.34
Composite quality score out of 100 – how we calculate this
0 – Poor50 – Average100 – Best

#4409 of 14703 nationally – #523 of 1162 in California

Who Is This Facility Best For?

Serenethos Care Center, Llc is a strong choice for families in the Hayward, CA area seeking a well-inspected, high-quality care environment.

Overall Rating 2022-2026

Total Nurse Hours/Day 2022-2026

Current Ratings (2026)

Overall Rating

4 / 5
Health Inspection

4 / 5
Staffing Rating

3 / 5
Quality Measures (QM)

4 / 5
Long-Stay QM Rating

4 / 5
Short-Stay QM Rating

N/A

5-Year Rating Trends

Overall Rating

Health Inspection Rating

Quality of Care (QM)

Staffing Rating

Average Residents per Day

Occupancy % (Residents / Beds)

Staffing InsightSerenethos Care Center, Llc currently provides 3 hours 45 minutes of total nurse staffing per resident per day, including 24 minutes of Registered Nurse (RN) coverage. The CMS Staffing Rating is 3 out of 5 (average). RN staffing hours have fluctuated between 35 and 24 min/day over the past five years, indicating some instability in skilled nurse coverage. Total nursing staff turnover is 32.1%, near the national average.

Current Staffing Hours Per Resident Per Day (2026)

Total Nurse Staffing3 hours 45 minutes
Nurse Aide Hours2 hours 31 minutes
Licensed Practical Nurse (LPN) Hours50 minutes
Registered Nurse (RN) Hours24 minutes
Physical Therapist Hours4 minutes

National average total nurse staffing is approximately 3.5 hours per day

Weekend Staffing Hours Per Resident Per Day (2026)

Weekend Total Nurse Hours3 hours 37 minutes
Weekend Registered Nurse (RN) Hours25 minutes

Weekend staffing is typically lower than weekday levels. Ask the facility about their weekend nurse-to-resident ratios.

5-Year Staffing Trends

Total Nurse Hours/Day

Registered Nurse (RN) Hours/Day

Licensed Practical Nurse (LPN) Hours/Day

Nurse Aide Hours/Day

Total Staff Turnover %

Registered Nurse (RN) Turnover %

Compliance SummaryThe facility has received 8 fine(s) over the 5-year period, totaling $113,419. 10 substantiated complaints were recorded across the 5-year period — families should request details from the facility or review CMS inspection findings.
Number of Fines (current period) 0
Total Fines Amount $0.0
Payment Denials 0
Total Penalties 0
Abuse Flag on Record N
Total Weighted Health Survey Score 38.0 (lower = better)

Substantiated Complaints / Year

Fines Issued ($) / Year

Composite Quality Rankings

#4,409
of 14,703
National
Top 30%
#523
CA State
Top 45% in CA
#39
of 69
️ Alameda County
#39 of 69
#9
of 16
️ Hayward
#9 of 16
#8
of 12
ZIP 94541
#8 of 12

Nationally, Serenethos Care Center, Llc ranks 4409th out of 14,703 facilities (composite score: 78.3/100), placing it in the above average nationwide. Within CA, it ranks 523rd out of 1,162 nursing homes. In Hayward, it ranks 9th out of 16 facilities. Among facilities sharing its ZIP code, it ranks 8th of 12. For 2026 staffing: total nurse hours rank #6,671 nationally and RN hours rank #10,938 nationally (#734 in CA).

How do we calculate these rankings?

Total Nurse Staffing – Year-by-Year National and State Ranks

Year Hours/Day National Rank CA State Rank Note
2022 3.83 #5,385 / 14,703 #778 / 1,162 Above average
2023 3.63 #6,752 / 14,703 #944 / 1,162 Above average
2024 3.64 #6,948 / 14,703 #1,014 / 1,162 Above average
2025 1.27 #14,248 / 14,703 #1,129 / 1,162 ⚠️ Bottom 5%
2026 3.76 #6,671 / 14,703 #1,050 / 1,162 Above average

Registered Nurse (RN) Hours – Year-by-Year National and State Ranks

Year Hours/Day National Rank CA State Rank Note
2022 0.58 #7,115 / 14,703 #388 / 1,162 Above average
2023 0.38 #10,657 / 14,703 #687 / 1,162 Below average
2024 0.24 #13,199 / 14,703 #997 / 1,162 ⚠️ Bottom 25%
2025 0.00 #14,277 / 14,703 #1,130 / 1,162 ⚠️ Bottom 5%
2026 0.40 #10,938 / 14,703 #734 / 1,162 Below average

Total Nurse Rank – National (lower number = better)

Registered Nurse Rank – National (lower number = better)

Frequently Asked Questions

Serenethos Care Center, Llc is certified as a Medicare and Medicaid facility and has been approved to provide these services since 2017-05-16. Medicare covers short-term skilled nursing care (typically up to 100 days after a qualifying hospital stay). Medicaid covers long-term care for residents who meet financial eligibility requirements. Contact the facility at (510) 537-4844 or your local Medicaid office to verify current eligibility.

Serenethos Care Center, Llc holds an overall CMS (Centers for Medicare & Medicaid Services) rating of 4 out of 5 stars. This is made up of three components: Health Inspection (4★), Staffing (3★), and Quality of Resident Care (4★). Our independent composite quality score — which uses the raw underlying CMS numbers to break ties between similarly-rated facilities — is 78.3/100, placing it #4409 of 14703 facilities nationally and #523 of 1162 in California. Star ratings are a useful starting point, but the composite score and individual sub-ratings give a more complete picture for families comparing facilities.

Each resident at Serenethos Care Center, Llc receives a reported average of 3 hours 45 minutes of total nurse staffing per day. This breaks down as: Registered Nurse (RN) coverage — 24 minutes; Licensed Practical Nurse (LPN) — 50 minutes; Nurse Aide — 2 hours 31 minutes. On weekends, total nurse staffing is 3 hours 37 minutes per resident per day. The CMS Staffing Rating for this facility is 3 out of 5. The national average for total nursing hours is approximately 3.5 hrs/day. Total nursing staff turnover is 32.1%. Families are encouraged to ask about current staffing schedules during their facility visit.

The facility has received 8 fine(s) over the 5-year period, totaling $113,419. 10 substantiated complaints were recorded across the 5-year period — families should request details from the facility or review CMS inspection findings. In the most recent CMS reporting period, the facility received 0 fine(s) totaling $0, and 0 Medicare payment denial(s). Total penalties: 0. The Total Weighted Health Survey Score is 38.0 (lower scores are better). Full inspection history and complaint details are available at medicare.gov/care-compare.

Nationally, Serenethos Care Center, Llc ranks 4409th out of 14,703 facilities (composite score: 78.3/100), placing it in the above average nationwide. Within CA, it ranks 523rd out of 1,162 nursing homes. In Hayward, it ranks 9th out of 16 facilities. Among facilities sharing its ZIP code, it ranks 8th of 12. For 2026 staffing: total nurse hours rank #6,671 nationally and RN hours rank #10,938 nationally (#734 in CA). Our composite quality score of 78.3/100 weighs health inspections, quality of resident care, staffing hours, compliance record, and five-year performance trends — giving a more complete picture than CMS star ratings alone, which can place hundreds of facilities in the same 5-star bucket. To browse and compare all nursing homes in Hayward, visit: https://nursinghomesnearme.org/california/hayward/

Contact and Location

ADR
Address

22822 MYRTLE STREET, Hayward, CA 94541
Get directions on Google Maps

TEL
LLC
Legal Name

SERENETHOS CARE CENTER, LLC

MAP
Browse by Location

All California ·
Alameda County ·
Hayward ·
ZIP 94541

Facility Details

Number of Certified Beds 36
Average Residents / Day 31 (86% occupancy)
Ownership Type For profit – Limited Liability company
Provider Type Medicare and Medicaid
County Alameda County, CA
City Hayward, CA
ZIP Code 94541
Approved Since May 16, 2017
Resident Council ✅ Yes
Automatic Sprinklers ✅ All required areas
Ownership Changed (12 mo.) No
CMS Certification Number 555905
Data Processing Date March 1, 2026
Data Disclaimer: All data on this page is sourced exclusively from the official CMS (Centers for Medicare and Medicaid Services) Nursing Home Compare dataset, covering reporting periods from 2022 through 2026. This includes facility ratings, staffing hours, inspection scores, fines, complaints, and geographic coordinates. NursingHomesNearMe.org does not independently verify, collect, or alter this data. Composite scores and rankings are calculated by NursingHomesNearMe.org – learn how rankings are calculated. Information may not reflect current facility conditions. Always contact the facility directly and verify at medicare.gov/care-compare before making care decisions.
Data: CMS Nursing Home Compare – Processing Date: 2026-03-01 –
Rankings across 14703 U.S. facilities –
Ranking Methodology
NursingHomesNearMe.org

Leave a Comment