Skilled nursing facility · CMS certification number 555905
SERENETHOS CARE CENTER, LLC
HAYWARD, California · Medicare and Medicaid · 36 certified beds in Care Compare
Download SERENETHOS CARE CENTER, LLC’s record (CSV, each figure with its worksheet, line and column)
SERENETHOS CARE CENTER, LLC: its citable report, full history — $295 · an email when it changes — $99/month
What stands out
- Its latest cost report on file is for fiscal year 2024, covering January 1, 2024 to December 31, 2024 (365 days), and CMS processed it on September 19, 2025.
- Net patient revenue fell from $4.7M in fiscal year 2023 to $4.2M in fiscal year 2024.
- Its result from service to patients: $1.1M (2022), −$163K (2023), −$433K (2024).
- Its cost reports on file run from fiscal year 2017 to fiscal year 2024.
- Since its cost report for fiscal year 2024 was filed on September 19, 2025, no other change appears in the CMS files.
- Its net patient revenue of $4.2M ranks 924th of the 951 nursing facilities in California whose latest cost report on file is fiscal year 2024.
- 2 of the 5 nursing facilities in California closest in size to it, whose latest cost report on file is fiscal year 2024, also report a loss on service to patients.
SERENETHOS CARE CENTER, LLC: Medicare cost reports
Form CMS-2540-10: every report is settled.
| Form CMS-2540-10 | 2024 · report 1439875 | 2023 · report 1394672 | 2022 · report 1363295 | 2021 · report 1334714 | 2020 · report 1306333 | 2019 · report 1274657 | 2018 · report 1243259 | 2017 · report 1188535 |
|---|---|---|---|---|---|---|---|---|
| Period began | January 1, 2024 | January 1, 2023 | January 1, 2022 | January 1, 2021 | January 1, 2020 | January 1, 2019 | January 1, 2018 | May 16, 2017 |
| Period ended | December 31, 2024 | December 31, 2023 | December 31, 2022 | December 31, 2021 | December 31, 2020 | December 31, 2019 | December 31, 2018 | December 31, 2017 |
| Days, where not a full year | — | — | — | — | — | — | — | 229 |
| Processed by CMS | September 19, 2025 | September 12, 2024 | August 25, 2023 | September 30, 2022 | December 3, 2021 | December 1, 2020 | September 19, 2019 | May 2, 2018 |
| Total patient revenue | $5,360,298 | $5,542,769 | $5,751,632 | $6,331,893 | $6,094,444 | $4,245,518 | $3,360,737 | — |
| Contractual allowances and discounts | $1,169,577 | $824,495 | $746,044 | $1,018,249 | $692,052 | $574,493 | $639,094 | — |
| Net patient revenue | $4,190,721 | $4,718,274 | $5,005,588 | $5,313,644 | $5,402,392 | $3,671,025 | $2,721,643 | — |
| Total operating expenses | $4,623,948 | $4,881,680 | $3,877,838 | $4,664,579 | $4,858,132 | $3,348,962 | $2,307,896 | — |
| Net income from service to patients | −$433,227 | −$163,406 | $1,127,750 | $649,065 | $544,260 | $322,063 | $413,747 | — |
| Total other income | $47,710 | $31,009 | $97,313 | $429,397 | $4,238 | $4,436 | $410 | — |
| Net income after other income | −$385,517 | −$132,397 | $1,225,063 | $1,078,462 | $548,498 | $326,499 | $414,157 | — |
| Net income | −$385,517 | −$132,397 | $1,225,063 | $1,078,462 | $548,498 | $326,499 | $414,157 | — |
| Total facility beds, all components | 36 | 36 | 36 | 36 | 36 | 36 | 36 | — |
| Bed days available, all components | 13,176 | — | — | — | — | — | — | — |
| Medicare (Title XVIII) patient days | 932 | — | — | — | — | — | — | — |
| Medicaid (Title XIX) patient days | 1,634 | — | — | — | — | — | — | — |
| Other-payer patient days | 9,223 | — | — | — | — | — | — | — |
| Total patient days, all components | 11,789 | 11,730 | 12,123 | 12,316 | 12,734 | 12,235 | 12,378 | — |
| Medicare discharges | 17 | — | — | — | — | — | — | — |
| Medicaid discharges | 5 | — | — | — | — | — | — | — |
| Other-payer discharges | 4 | — | — | — | — | — | — | — |
| Total discharges, all components | 26 | 41 | 40 | 6 | 48 | 50 | 28 | — |
| Average length of stay, Medicare, in days | 54.82 | 53.7 | 72.53 | 1,157 | 59.81 | 62.61 | 104.57 | — |
| Average length of stay, Medicaid, in days | 326.8 | 1,616 | 1,531.33 | 2,234.5 | 1,131.44 | 788.69 | 683.06 | — |
| Average length of stay, all patients, in days | 453.42 | 286.1 | 303.08 | 2,052.67 | 265.29 | 244.7 | 442.07 | — |
Net income, fiscal years 2024, 2023, 2022, 2021, 2020, 2019, 2018. Checked against the form’s own arithmetic: what that check shows.
None of these figures is carried on the report for fiscal year 2017.
SERENETHOS CARE CENTER, LLC: nurse staffing hours by quarter →
Who owns SERENETHOS CARE CENTER, LLC, as filed with CMS
Care Compare
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: SERENETHOS CARE CENTER, LLC (organization), 100%%, since 03/01/2018
- ADP OF THE SNF: BALDWIN, RONALD (individual), NOT APPLICABLE, since 03/01/2018; DICKMAN WESTON GROUP (organization), NOT APPLICABLE, since 08/01/2019; HANSEN HUNTER LLC (organization), NOT APPLICABLE, since 08/01/2019; NG, ANDREW (individual), NOT APPLICABLE, since 03/01/2018; SERENETHOS CARE CENTER, LLC (organization), NOT APPLICABLE, since 04/01/2025; XIE, QING (individual), NOT APPLICABLE, since 03/01/2018
- DIRECT OWNERSHIP INTEREST: BALDWIN, RONALD (individual), NOT APPLICABLE, since 03/01/2018; XIE, QING (individual), NOT APPLICABLE, since 03/01/2018
- MANAGING CONTROL - GOVERNING BODY: NG, ANDREW (individual), NOT APPLICABLE, since 03/01/2018
- OPERATIONAL/MANAGERIAL CONTROL: BALDWIN, RONALD (individual), NOT APPLICABLE, since 03/01/2018; NG, ANDREW (individual), NOT APPLICABLE, since 03/01/2018; SERENETHOS CARE CENTER, LLC (organization), NOT APPLICABLE, since 03/01/2018
Medicare enrollment
As filed in the CMS file dated October 1, 2026 (Medicare enrollment ownership), under the enrollment of SERENETHOS CARE CENTER, LLC (enrollment ID O20180326001512).
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: QING XIE (individual), 80.00%, since 03/01/2018; RONALD E BALDWIN (individual), 20.00%, since 03/01/2018; SERENETHOS CARE CENTER, LLC (organization), 100.00%, since 03/01/2018
- ADP OF THE SNF: ANDREW CHI-WEI NG (individual), since 03/01/2018; DICKMAN WESTON GROUP (organization), since 08/01/2019; HANSEN HUNTER LLC (organization), since 08/01/2019; QING XIE (individual), since 03/01/2018; RONALD E BALDWIN (individual), since 03/01/2018; SERENETHOS CARE CENTER, LLC (organization), since 04/01/2025
- DIRECT OWNERSHIP INTEREST: QING XIE (individual), 80.00%, since 03/01/2018; RONALD E BALDWIN (individual), 20.00%, since 03/01/2018
- MANAGING CONTROL - GOVERNING BODY: ANDREW CHI-WEI NG (individual), since 03/01/2018
- OPERATIONAL/MANAGERIAL CONTROL: ANDREW CHI-WEI NG (individual), since 03/01/2018; RONALD E BALDWIN (individual), since 03/01/2018; SERENETHOS CARE CENTER, LLC (organization), 100.00%, since 03/01/2018
Paused by CMS: Form CMS-855A, December 11, 2025.
Private equity company, real estate investment trust and holding company: Paused by CMS: QING XIE; RONALD E BALDWIN; ANDREW CHI-WEI NG; QING XIE; RONALD E BALDWIN; QING XIE; RONALD E BALDWIN; ANDREW CHI-WEI NG; ANDREW CHI-WEI NG; RONALD E BALDWIN.
Private equity company, real estate investment trust and holding company: No: SERENETHOS CARE CENTER, LLC; DICKMAN WESTON GROUP; HANSEN HUNTER LLC; SERENETHOS CARE CENTER, LLC; SERENETHOS CARE CENTER, LLC.
Changes in ownership
- June 1, 2025, enrollment ownership file; no longer listed: RONALD E BALDWIN (CORPORATE OFFICER); QING XIE (OPERATIONAL/MANAGERIAL CONTROL); QING XIE (CORPORATE OFFICER); first listed: RONALD E BALDWIN (DIRECT OWNERSHIP INTEREST), associated since March 1, 2018; RONALD E BALDWIN (ADP OF THE SNF), associated since March 1, 2018; RONALD E BALDWIN (OPERATIONAL/MANAGERIAL CONTROL), associated since March 1, 2018; SERENETHOS CARE CENTER, LLC (ADP OF THE SNF), associated since April 1, 2025; QING XIE (DIRECT OWNERSHIP INTEREST), associated since March 1, 2018; QING XIE (ADP OF THE SNF), associated since March 1, 2018; DICKMAN WESTON GROUP (ADP OF THE SNF), associated since August 1, 2019; ANDREW CHI-WEI NG (ADP OF THE SNF), associated since March 1, 2018; ANDREW CHI-WEI NG (MANAGING CONTROL - GOVERNING BODY), associated since March 1, 2018; ANDREW CHI-WEI NG (OPERATIONAL/MANAGERIAL CONTROL), associated since March 1, 2018; HANSEN HUNTER LLC (ADP OF THE SNF), associated since August 1, 2019. Skilled_Nursing_Facility_All_Owners_:_2025-06-01.csv
Inspections of SERENETHOS CARE CENTER, LLC
- Cycle 1: health June 20, 2025 (3 deficiencies), fire safety June 20, 2025 (12)
- Cycle 2: health May 10, 2024 (11 deficiencies), fire safety May 10, 2024 (19)
- Cycle 3: health December 16, 2022 (11 deficiencies), fire safety December 16, 2022 (13)
Deficiencies cited at SERENETHOS CARE CENTER, LLC
25 deficiencies on file, by tag, newest citation first
every one from a health inspection; every one marked “Deficient, Provider has date of correction”; none cited from a complaint. Letter after a date: scope and severity grade.
- F 0641, resident assessment and care planning: June 20, 2025 (D, corrected July 15, 2025).
- F 0759, pharmacy service: June 20, 2025 (D, corrected July 15, 2025); May 10, 2024 (E, corrected June 6, 2024).
- F 0801, nutrition and dietary: June 20, 2025 (E, corrected July 15, 2025); December 16, 2022 (L, corrected February 9, 2023).
- F 0550, resident rights: May 10, 2024 (D, corrected June 6, 2024).
- F 0677, quality of life and care: May 10, 2024 (D, corrected June 6, 2024); December 16, 2022 (D, corrected February 9, 2023).
- F 0755, pharmacy service: May 10, 2024 (E, corrected June 6, 2024).
- F 0757, pharmacy service: May 10, 2024 (D, corrected June 6, 2024).
- F 0812, nutrition and dietary: May 10, 2024 (E, corrected June 6, 2024); December 16, 2022 (F, corrected February 10, 2023).
- F 0867, administration: May 10, 2024 (E, corrected June 6, 2024).
- F 0880, infection control: May 10, 2024 (E, corrected June 6, 2024); December 16, 2022 (F, corrected February 9, 2023).
- F 0908, environmental: May 10, 2024 (E, corrected June 6, 2024); December 16, 2022 (F, corrected February 9, 2023).
- F 0912, environmental: May 10, 2024 (E, corrected June 6, 2024); December 16, 2022 (B, corrected February 9, 2023).
- F 0925, environmental: May 10, 2024 (E, corrected June 6, 2024).
- F 0690, quality of life and care: December 16, 2022 (D, corrected February 9, 2023).
- F 0726, nursing and physician services: December 16, 2022 (J, corrected February 9, 2023).
- F 0800, nutrition and dietary: December 16, 2022 (J, corrected February 9, 2023).
- F 0802, nutrition and dietary: December 16, 2022 (F, corrected February 9, 2023).
- F 0814, nutrition and dietary: December 16, 2022 (F, corrected February 10, 2023).
SERENETHOS CARE CENTER, LLC in Care Compare
- Ownership Type: For profit - Limited Liability company
- Date First Approved to Provide Medicare and Medicaid Services: 2017-05-16
- Provider Resides in Hospital: N
- Continuing Care Retirement Community: N
- Urban: Y
- County/Parish: Alameda
- Telephone Number: 5105374844
- Provider Changed Ownership in Last 12 Months: N
- With a Resident and Family Council: Resident
- Automatic Sprinkler Systems in All Required Areas: Yes
- Average Number of Residents per Day: 31.9
- Overall Rating: 5
- Health Inspection Rating: 5
- QM Rating: 5
- Long-Stay QM Rating: 5
Care Compare, October 1, 2026: provider information NH_ProviderInfo_Oct2026.csv · inspections NH_SurveySummary_Oct2026.csv · citations NH_HealthCitations_Oct2026.csv · ownership NH_Ownership_Oct2026.csv.
Nothing on file for SERENETHOS CARE CENTER, LLC: no penalty in Care Compare.
Other nursing facilities in HAYWARD
Report a figure on SERENETHOS CARE CENTER, LLC’s record that differs from its CMS file, quoting 555905.