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St. Mary's Hospice, INC

Medicare-certified hospice in Diamond Bar, CA

Medicare-certified

Call (626) 858-6100Send a messageMap ↗

Public-record details

Address
809 S Lemon Ave, Diamond Bar, CA 91789
Phone
(626) 858-6100
Listed under
Offers higher levels of care, Serves nursing home residents
Medicare CCN
751791
Ownership
For-profit
Medicare-certified since
Apr 20, 2016
Hospice Care Index
8 of 10
Average patients per day
18
Levels of care
Routine home care and at least one higher level (continuous home care, inpatient or respite)
County
Los Angeles

CMS certification number 751791. Source: CMS Hospice General Information, Provider Data and CAHPS Hospice Survey (record). Data as of 2026-09-30.

What families said

CMS has not published family survey scores for this hospice — usually because it is new or served too few patients for the survey to be reported. That is not a mark against it; ask the hospice how families rate its care.

Quality measures

Hospice Care Index (0–10, higher is better)8 of 10
Patients visited by a registered nurse or social worker on at least 2 of their last 3 days of life0%
Medicare spending per patient$25,829

From Medicare claims and assessment data CMS collects under the Hospice Quality Reporting Program; Hospice Care Index Jan 2023–Dec 2024; assessment measures Oct 2024–Sep 2025.

Who this hospice serves

Where care was provided (share of care days)

Private homes95%
Skilled nursing facilities5%

Patients' main diagnoses

Heart and circulatory disease35%
Family survey scores cover families of patients who died under this hospice's care, collected by CMS-approved survey vendors. A missing score usually means the hospice is new or small, not that it is poor. You can switch hospices once per benefit period — see Medicare.gov.

Other hospices in Diamond Bar

All 6 in Diamond Bar →