Nursing Home in San Mateo, CA · CMS Data August 2026

San Mateo Medical Center D/P SNF

How Does San Mateo Medical Center D/P SNF Rate?

San Mateo Medical Center D/P SNF is a 345-bed government-owned nursing home in San Mateo, CA. CMS rates it 1 out of 5 stars overall (August 2026), with 1 for health inspections, 4 for staffing and 3 for quality measures. Residents got an average of 3.9 hours of nursing care per resident per day, against a national median of 3.7 hours. Its last standard health inspection, on July 3, 2025, cited 18 health deficiencies.

CMS overall rating: 1 of 5
Nursing per resident per day: 3.9 hours
Deficiencies at last inspection: 18
Certified beds: 345

Reviewed by Senior Care Help Editorial Team ·October 6, 2026

222 West 39th Avenue
San Mateo, CA 94403

1 of 5 CMS overall · Much below average

From CMS Care Compare, data processed August 1, 2026. A listing is not an endorsement, and no home pays to appear.

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Nursing home (CMS listing)This facility

CMS Star Ratings

CMS star ratings for San Mateo Medical Center D/P SNF
Rating	Stars	CMS label
Overall rating	1 of 5	Much below average
Health inspections	1 of 5	Much below average
Staffing	4 of 5	Above average
Quality measures	3 of 5	Average
Quality for long-stay residents	5 of 5	Much above average
Quality for short-stay residents	2 of 5	Below average

CMS compares each home with others in its state for the inspection rating. See how CMS star ratings work.

Staffing and Turnover

Staffing at San Mateo Medical Center D/P SNF and the national median
Measure	This home	National median
Total nursing hours per resident per day	3.9 hours	3.7 hours
Registered nurse hours per resident per day	0.6 hours	0.6 hours
Nurse aide hours per resident per day	2.4 hours	2.2 hours
Total nursing hours per resident on weekends	3.6 hours	3.3 hours

Hours are reported by the home through CMS's payroll-based staffing data. Turnover is the share of nursing staff who left over the year. Why staffing matters.

Inspections and Penalties

Inspections and penalties for San Mateo Medical Center D/P SNF
Last standard health inspection	July 3, 2025
Health deficiencies cited at that inspection	18
Deficiencies from complaint inspections (same rating cycle)	6
Fines in the past 3 years	2 totaling $104,000
Payment denials in the past 3 years	1

The full inspection reports, with each deficiency described, are on the home's Medicare Care Compare page.

Quality Measures for Long-Stay Residents

The share of residents in long-term care (101 days or more) at San Mateo Medical Center D/P SNF who, according to CMS's resident assessments (2025Q2 to 2026Q1):

Long-stay quality measures for San Mateo Medical Center D/P SNF
Residents who	This home	National median	Compared
Received an antipsychotic medication	9.7%	13%	Lower than the national median
Received an antianxiety or hypnotic medication	11%	18%	Lower than the national median
Had a fall with major injury	1.8%	2.8%	Lower than the national median
Have pressure ulcers	3.6%	4.2%	Lower than the national median
Lost too much weight	3.1%	4.7%	Lower than the national median
Were physically restrained	0.0%	0.0%	At the national median
Have depressive symptoms	17%	3.6%	Higher than the national median
Needed more help with daily activities over time	5.9%	13%	Lower than the national median

Lower is better for each measure. Antipsychotic use matters most for residents with dementia: what families should know.

About the Home

Facts about San Mateo Medical Center D/P SNF
Certified beds	345
Average residents per day	303
Ownership	Government - County
Legal business name	COUNTY OF SAN MATEO
Certified for	Medicare and Medicaid
First certified	July 1976
Location	Inside a hospital
Councils	Resident council

Before you choose, visit at different times of day and ask about openings, costs and Medicaid beds. How to choose a nursing home has CMS's checklist, and California's Long-Term Care Ombudsman Program (1-800-231-4024) can answer questions about residents' rights. See all nursing homes and senior care in California.