Nursing Home
Rancho Mesa Care Center
9333 La Mesa Dr, Alta Loma, CA 91701
5
5
CMS Overall Rating — Much above average
Informational only. This information comes from CMS Care Compare data and may be out of date or contain errors. It is not a substitute for visiting the nursing home. Always confirm details directly with the provider and with Medicare.gov Care Compare before making a decision.
CMS five-star sub-ratings
Health inspection
4
Staffing
2
Quality measures
5
Long-stay QM
5
Short-stay QM
5
The overall rating starts from the health-inspection rating and is adjusted by staffing and quality-measure performance. How this works.
Facility details
- Type
- Nursing Home
- Ownership
- For-profit
- Certified beds
- 59
- Phone
- (909) 987-2501
- CMS Certification Number
- 555521
- Address
- 9333 La Mesa Dr, Alta Loma, CA 91701
Staffing
- Total nurse staffing (hrs/resident/day)
- 4.08 hrs
- RN staffing (hrs/resident/day)
- 0.42 hrs
- Total nursing staff turnover
- 46.5 %
Inspection
- Total weighted health survey score
- 49
Other measures
- Average residents per day
- 57.5
Inspection history
30citations on record
0serious (scope/severity G+)
4from complaints
September 18, 2025most recent survey
Recent citations
| Date | Tag | Issue | Severity |
|---|---|---|---|
| Sep 2025 | 0727 | Nursing and Physician Services Deficiencies | |
| Sep 2025 | 0686 | Quality of Life and Care Deficiencies | |
| Sep 2025 | 0689 | Quality of Life and Care Deficiencies | |
| Sep 2025 | 0755 | Pharmacy Service Deficiencies | |
| Sep 2025 | 0759 | Pharmacy Service Deficiencies | |
| Sep 2025 | 0761 | Pharmacy Service Deficiencies | |
| Sep 2025 | 0880 | Infection Control Deficiencies | |
| Mar 2025 | 0677 | Quality of Life and Care Deficiencies complaint | |
| Aug 2024 | 0803 | Nutrition and Dietary Deficiencies | |
| Aug 2024 | 0812 | Nutrition and Dietary Deficiencies | |
| Aug 2024 | 0805 | Nutrition and Dietary Deficiencies | |
| Aug 2024 | 0640 | Resident Assessment and Care Planning Deficiencies | |
| Aug 2024 | 0692 | Quality of Life and Care Deficiencies | |
| Aug 2024 | 0726 | Nursing and Physician Services Deficiencies | |
| Aug 2024 | 0755 | Pharmacy Service Deficiencies |
Scope/severity runs A (least) to L (most serious); G and above indicate actual harm or immediate jeopardy. Source: CMS health inspection surveys.
Penalties
No federal fines or payment denials are recorded for this nursing home in the latest CMS data.
Ownership
| Owner | Type | Role | Stake |
|---|---|---|---|
| Weinberger, Philip | Individual | 5% Or Greater Direct Ownership Interest | 51% |
| Mahan, Marylynn | Individual | 5% Or Greater Direct Ownership Interest | 49% |
| Petterson, Cheryl | Individual | Contracted Managing Employee | — |
| Caldwell, Rhonda | Individual | W-2 Managing Employee | — |
| Mahan, Marylynn | Individual | W-2 Managing Employee | — |
| Mahan, Marylynn | Individual | Corporate Director | — |
| Weinberger, Philip | Individual | Corporate Director | — |
| Mahan, Marylynn | Individual | Corporate Officer | — |
| Weinberger, Philip | Individual | Corporate Officer | — |
| P & M Management Inc | Organization | Operational/Managerial Control | — |
| Renew Health Consulting Services LLC | Organization | Operational/Managerial Control | — |
| Sharma, Vatsala | Individual | Operational/Managerial Control | — |
Owners, managing employees and organizations on file with CMS. Ownership can affect accountability and care patterns. Source: CMS Ownership data.