Sonata Hospice
Hayward, CA · Medicare-certified hospice (CCN A11747)
CMS process measure: 94.07 (state average 93.41 — at state average)
Serves: 50 ZIP codes (is yours included? →) · Phone: (415) 651-3872 · Verify on Medicare Care Compare ↗
Family caregivers surveyed by CMS reported that 77% would definitely recommend Sonata Hospice, and 80% rated their experience 9 or 10 out of 10. On CMS's composite process measure, Sonata Hospice scored 94.07, right at the California state average of 93.41.
Sonata Hospice serves 50 ZIP codes from its office in Hayward, California, in Alameda County.
Yes, Sonata Hospice is Medicare-certified (CCN A11747), certified since February 9, 2021; the Medicare hospice benefit covers hospice care for eligible patients when a doctor certifies eligibility.
About this hospice
Sonata Hospice is a for-profit hospice provider based in Hayward, California, serving Alameda County. It has been Medicare-certified since February 9, 2021 (CCN A11747).
According to CMS Care Compare data, family caregivers who responded to the CAHPS Hospice Survey reported that 77% would definitely recommend Sonata Hospice to others, and 80% rated their overall experience with the hospice 9 or 10 out of 10. CMS has not published a distinct overall CAHPS star rating for this hospice in the data provided; families are encouraged to check Care Compare directly for the most current figures.
On CMS's composite process quality measure, Sonata Hospice scored 94.07, compared with a California state average of 93.41 — placing the hospice at the state average. CMS also reports a care index score of 10 and notes that 21.0% of patients received visits in the last days of life, based on the same CMS data set.
Sonata Hospice's service area, as reported to CMS, spans 50 ZIP codes radiating from its Hayward office.
The Medicare hospice benefit covers hospice care for eligible patients. All figures in this profile come from CMS Care Compare data; where a measure is not listed here, CMS has not published it for this hospice, which is often due to small patient counts rather than any indication of quality.
Questions families ask
Does Medicare cover care from Sonata Hospice?
Yes. Sonata Hospice is Medicare-certified (CCN A11747) since February 9, 2021, and the Medicare hospice benefit covers hospice care for patients who are certified as eligible by a doctor.
What do family caregivers say about Sonata Hospice in the CMS survey?
In the CMS CAHPS survey, 77% of family caregivers said they would definitely recommend Sonata Hospice, and 80% rated their overall experience 9 or 10 out of 10.
How does this hospice score on CMS quality measures compared to the state average?
Sonata Hospice's composite process score is 94.07, compared with a California state average of 93.41, placing it at the state average.
What areas and ZIP codes does this hospice serve?
Sonata Hospice serves 50 ZIP codes from its Hayward, California office in Alameda County, according to CMS data.
Tip: use our Search by ZIP Code feature to check instantly whether your ZIP is among the 50 this hospice reports serving.
Is this hospice for-profit, non-profit, or government-run — and does it matter?
Sonata Hospice is a for-profit hospice. Ownership type doesn't directly determine quality; CMS quality measures and CAHPS survey results are more useful for comparing care experience.
How long has this hospice been Medicare-certified?
Sonata Hospice has been Medicare-certified since February 9, 2021.
What is the difference between hospice and palliative care?
Palliative care can be provided alongside curative treatment at any stage of a serious illness, while hospice care focuses on comfort rather than cure and is generally for patients with a life expectancy of six months or less, as determined by a physician.
Does choosing hospice mean giving up treatment?
Choosing hospice means shifting the focus of care to comfort and quality of life rather than curing the underlying illness; it does not mean giving up care or attention — patients still receive medical support for pain and symptoms.
Where is hospice care provided — at home or in a facility?
The CMS data provided doesn't specify where Sonata Hospice delivers care. Please contact the hospice at (415) 651-3872 or verify on Medicare Care Compare.
How do I start hospice care with this provider?
To learn how to begin care with Sonata Hospice, contact them directly at (415) 651-3872 and verify current details on Medicare Care Compare.
What questions should I ask when choosing a hospice?
Families often ask about caregiver satisfaction scores, how quickly a hospice responds to needs, what services are included, and how staff communicate with families — Sonata Hospice's CMS-reported figures on recommendation rates and process quality can be a starting point for that conversation.
How do I verify this hospice on Medicare Care Compare?
You can look up Sonata Hospice (CCN A11747) directly at https://www.medicare.gov/care-compare/details/hospice/A11747?state=CA to see the latest CMS-published data.
Data: CMS Care Compare (Jul2026 refresh). Survey results are reported by family caregivers through the official CAHPS Hospice Survey; CMS publishes them only above response-count thresholds. Always verify current details with the hospice and Medicare before arranging care.