Nursing home · Nursing home (skilled nursing)
Who owns Mount San Antonio Gardens?
900 E Harrison Ave · Pomona, CA · 91767
Overview
CMS overall rating5 of 5state average 3.2
Certified beds64
Average residents4063% of beds
Nurse hours per resident day5.95state average 4.52
Mount San Antonio Gardens is a nursing home (skilled nursing) in Pomona, California, operated by Congregational Homes. Los Angeles County has 93 hospitals, 352 nursing homes and 488 urgent care centers.
Ownership
Mount San Antonio Gardens is operated by Congregational Homes, part of Robert Marriott Medical Corp.
- Operator
- Congregational Homes
- Owner group
- Robert Marriott Medical Corp
- Ownership changed in last 12 months
- No
- Source
- CMS nursing home enrollment and owners · 2026-10-24
Ownership history
Every dated change of operator and owner for Mount San Antonio Gardens, with the source for each.
Full ownership tree of Robert Marriott Medical Corp
Every entity between this facility and its ultimate owner, with ownership percentages and dates.
Quality and staffing
- Overall
- 5 of 5state average 3.2
- Health inspections
- 5 of 5state average 2.8
- Staffing
- 3 of 5state average 3.3
- Quality measures
- 5 of 5state average 4.1
| Staffing | This home | State average |
|---|---|---|
| Nurse hours per resident day | 5.95 | 4.52 |
| Registered nurse hours per resident day | 0.73 | 0.67 |
- Fines (3 years)
- None
- CMS abuse icon
- No
Location and market
- Address
- 900 E Harrison Ave · Pomona, CA · 91767
- County
- Los Angeles County
- State
- California
Hospitals in the county93
Nursing homes352
Urgent care centers488
Nearby nursing homes
| Name | City | Distance |
|---|---|---|
| Pilgrim Place Health Services Center | Claremont | 0.4 mi |
| Claremont Manor Care Center | Claremont | 0.5 mi |
| Claremont Care Center | Pomona | 0.9 mi |
| Claremont Heights Post Acute | Claremont | 1.2 mi |
| Landmark Medical Center | Pomona | 1.4 mi |
| Inland Valley Care And Rehabilitation Center | Pomona | 1.9 mi |
Sources and identifiers
- Operator: CMS nursing home enrollment and owners
- Ratings, staffing and penalties: CMS Nursing Home Care Compare (2026)
- Ownership type and beds: CMS Provider of Services file
- Location: CMS and Census Bureau geography
- CMS certification number
- 055016
- NPI
- 1609859461
- Last confirmed
- 2026-10-27
See something wrong? Report a correction.