Home health agencies · Diamond Bar, California

Home health agencies in Diamond Bar, California

The 6 Medicare-certified agencies CMS lists in Diamond Bar, with the quality-of-patient-care star and measure coverage it reports for each.

6 agencies4 with a CMS starCMS data · updated 2026-08-21

At a glance

CMS assigns a quality-of-patient-care star to 4 of the 6 Medicare-certified home health agencies in Diamond Bar. Every figure comes from the official CMS Home Health Care Agencies dataset — SeniorCareRating.com adds no rating, score, or ranking of its own.
Home health agencies
6
Medicare-certified
With a CMS star
4
of 6
Report ≥1 measure
5
meaningful data
Avg CMS star
2.63
California avg 3.16

How Diamond Bar compares

The city's CMS star profile against California, in the half-star steps CMS publishes.

CMS quality-of-patient-care star distribution

How Diamond Bar's Medicare-certified agencies spread across the CMS quality star rating, compared with California.

tick = CaliforniaThis pageCalifornia
5★0 · 0.0%3.8%
4.5★0 · 0.0%7.6%
4★1 · 16.7%8.1%
3.5★0 · 0.0%9.1%
3★1 · 16.7%10.2%
2.5★0 · 0.0%9.2%
2★1 · 16.7%7.8%
1.5★1 · 16.7%5.3%
1★0 · 0.0%0.7%
No star2 · 33.3%38.1%
View as a table
CMS quality-of-patient-care star distribution
RatingProvidersShareCalifornia
CMS quality star 500.0%3.8%
CMS quality star 4.500.0%7.6%
CMS quality star 4116.7%8.1%
CMS quality star 3.500.0%9.1%
CMS quality star 3116.7%10.2%
CMS quality star 2.500.0%9.2%
CMS quality star 2116.7%7.8%
CMS quality star 1.5116.7%5.3%
CMS quality star 100.0%0.7%
No star233.3%38.1%
Total6100.0%100.0%

City shares are calculated from the 6 Medicare-certified agencies in Diamond Bar; California shares from all 3,147 in the state. The CMS quality star is published in half-star steps and shown here without rounding. Agencies CMS does not rate are counted separately and never treated as zero.

CMS-reported data

Diamond Bar’s largest divergence from California is at 1.5: 16.7% of the city’s agencies against 5.3% statewide (+11.4 points). This reflects what CMS publishes and is not a judgement about care quality in either population.

Agencies in Diamond Bar

CMS star, how many quality measures CMS reports, and ownership type for each agency.

AgencyCMS starCMS measures reportedOwnership
Advent Healthcare Services, INC317PROPRIETARY
Diamond Home Health Services, INC216PROPRIETARY
Intensive Home Health Care, INC1.512NON-PROFIT
Lotus Healthcare Partners, INC0PROPRIETARY
Sante Home Health, INC417PROPRIETARY
VNA of Greater Los Angeles, INC1PROPRIETARY

Related research

Frequently asked questions

How many home health agencies are in Diamond Bar, California?

The current CMS Home Health Care dataset lists 6 agencies in Diamond Bar, California. Of these, 4 have a CMS quality-of-patient-care star rating.

What is the average CMS star rating for home health in Diamond Bar?

The average CMS quality-of-patient-care star rating across rated agencies in Diamond Bar is 2.63 of 5, compared with the California average of 3.16. Averages exclude agencies CMS has not rated, and are calculated by this site rather than published by CMS.

Why do some Diamond Bar agencies have no star rating?

CMS only publishes a star when an agency has enough Medicare episodes in the reporting window to compute one reliably. An agency that is small or newly certified may have no star and few or no measures. That is a gap in the public record, not a negative result, and it is never shown as a zero.

How do I verify a home health agency in Diamond Bar?

SeniorCareRating.com organizes public CMS data and is not affiliated with CMS. Confirm current details on the official Medicare Care Compare site and with the agency directly.

Methodology and limits
Counts reflect the current CMS Home Health Care dataset for Diamond Bar, with California comparisons drawn from all 3,147 agencies in the state. A city average excludes agencies CMS has not rated and is calculated by this site, not published by CMS. Missing values are shown as missing, never as zero. See full methodology.
SeniorCareRating.com summarizes public CMS data. It is not affiliated with CMS, Medicare.gov, or any nursing home. Data may lag current conditions. This is not medical, legal, or care-placement advice — always verify with official sources and qualified professionals.