Mount San Antonio Gardens

Nursing home in Pomona, CA

Medicare-certified5★ overall (CMS)

Call (909) 624-5061 Send a message Map ↗

Public-record details

Address: 900 E. Harrison Ave, Pomona, CA 91767
Phone: (909) 624-5061
Listed under: Nonprofit, 4–5 star overall rating, No fines in 3 years, Part of a retirement community
Medicare CCN: 055016
Overall star rating: 5 of 5 ★★★★★
Health inspection rating: 5 of 5
Staffing rating: 3 of 5
Quality measures rating: 5 of 5
Certified beds: 64
Average residents per day: 40
Ownership: Nonprofit, corporation
Legal business name: Congregational Homes
Certified for: Medicare
First approved by Medicare/Medicaid: Jan 1, 1967
Changed ownership in last 12 months: No
Continuing care retirement community: Yes
Located inside a hospital: No
Resident or family council: Resident and family councils
Sprinklers in all required areas: Yes

CMS certification number 055016. Source: CMS Nursing Home Provider Information, Health Deficiencies and Penalties (record). Data as of 2026-09-30.

Inspection record

Most recent standard health inspection: Jun 24, 2026. CMS lists 14 health citations for this facility across its last three standard inspection cycles and complaint inspections (May 16, 2024 to Jun 24, 2026): 1 from complaint inspections, 0 at the “actual harm” level or higher.

Inspection	Citation	Severity
Jun 24, 2026	Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted Resident Assessment and Care Planning	D Potential for more than minimal harm, isolated
Jun 24, 2026	Make sure there is a pest control program to prevent/deal with mice, insects, or other pests. Environmental	D Potential for more than minimal harm, isolated
Jun 24, 2026	Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents. Quality of Life and Care	E Potential for more than minimal harm, pattern
Jun 24, 2026	Provide safe and appropriate respiratory care for a resident when needed. Quality of Life and Care	E Potential for more than minimal harm, pattern
Jun 24, 2026	Provide and implement an infection prevention and control program. Infection Control	E Potential for more than minimal harm, pattern
Jan 22, 2026	Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents. Quality of Life and Care · complaint inspection	D Potential for more than minimal harm, isolated
May 30, 2025	Provide appropriate treatment and care according to orders, resident’s preferences and goals. Quality of Life and Care	D Potential for more than minimal harm, isolated
May 30, 2025	Provide appropriate care for residents who are continent or incontinent of bowel/bladder, appropriate catheter care, and appropriate care to prevent urinary tract infections. Quality of Life and Care	D Potential for more than minimal harm, isolated
May 30, 2025	Try different approaches before using a bed rail. If a bed rail is needed, the facility must (1) assess a resident for safety risk; (2) review these risks and benefits with… Quality of Life and Care	D Potential for more than minimal harm, isolated
May 30, 2025	Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards. Resident Assessment and Care Planning	D Potential for more than minimal harm, isolated
May 16, 2024	Ensure each resident receives an accurate assessment. Resident Assessment and Care Planning	D Potential for more than minimal harm, isolated
May 16, 2024	Provide appropriate treatment and care according to orders, resident’s preferences and goals. Quality of Life and Care	D Potential for more than minimal harm, isolated

Showing the 12 most recent of 14. Full inspection reports are on Medicare Care Compare.

Severity letters follow CMS's scope-and-severity grid: A–C potential for minimal harm, D–F potential for more than minimal harm, G–I actual harm, J–L immediate jeopardy. Most citations are corrected; a citation is what inspectors found on that date. Source: CMS Health Deficiencies file, processed Aug 1, 2026.

Fines and payment denials

CMS records no fines or payment denials for this facility in the last three years.

Source: CMS Penalties file, processed Aug 1, 2026. Amounts are as CMS reports them and may reflect later reductions or appeals.

Staffing

Total nurse staffing per resident per day: 5.95 hours
Registered nurse (RN) time per resident per day: 0.73 hours
Nurse aide time per resident per day: 3.71 hours
Total nurse staffing on weekends: 4.79 hours

From payroll-based staffing data the facility submits to CMS. Hours are per resident per day.

A citation is what inspectors found on one date; most are corrected within weeks. Look for patterns — the same problem cited in several inspections — and for anything at the G–L level (actual harm or immediate jeopardy). The full inspection narrative (Form CMS-2567) is linked from Medicare Care Compare, and your state long-term care ombudsman can tell you about complaints.

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