Diamond Ridge Healthcare Center
Pittsburg, California · CCN 555287
36 surveys since 2010, 3 of them producing a finding at harm level or worse.
Data as of , released by CMS on October 8, 2026. Source: CMS Provider Data Catalog.
- Citations on record
- 142
- Surveys
- 36
- Harm or worse
- 3
- Immediate jeopardy
- 1
Findings at the most serious level CMS records.
Older surveys no longer in CMS’s monthly file or on Care Compare. They are shown here.
The facility
- Certified beds
- 120
- Ownership
- For profit - Limited Liability company
- Chain
- DAVID JOHNSON
- County
- Contra Costa
- Medicare-certified since
- 1987
CMS ratings
- Overall
- 3
- Health inspection
- 3
- Staffing
- 4
- Quality measures
- 4
CMS’s own Five-Star ratings.
Compared with similar facilities
Since 2021, this facility recorded somewhat fewer weighted findings than its peer group.
Weighted by harm level, against 110 for-profit facilities of 100–127 beds in California.
Last survey on record
Jan 16, 2026
297 days ago.
Counts surveys with at least one finding. A clean survey leaves no record here, so the real gap may be shorter.
Staffing
| Measure | This facility | Peer median |
|---|---|---|
| Nurse hours per resident day | 4.30 | 4.16 |
| Registered-nurse hours per resident day | 0.49 | — |
| Annual nurse turnover | 24.6% | 37.6% |
As reported by the facility to CMS, beside the peer-group median.
Enforcement
No fines, payment denials or special-focus designation on the current CMS record.
Severity of recent findings
| Severity | Isolated | Pattern | Widespread |
|---|---|---|---|
| Immediate jeopardy | J— | K12.0% | L— |
| Actual harm | G— | H— | I— |
| No harm, potential for more than minimal | D3367.3% | E1326.5% | F12.0% |
| No harm, potential for minimal | A— | B— | C12.0% |
Most frequently cited here
In CMS’s current monthly file.
- F6773×
Provide care and assistance to perform activities of daily living for any resident who is unable.
- F7553×
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
- F7583×
Implement gradual dose reductions(GDR) and non-pharmacological interventions, unless contraindicated, prior to initiating or instead of continuing psychotropic medication; and PRN orders for psychotropic medications are only used when the medication is necessary and PRN use is limited.
- F8123×
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
- F8803×
Provide and implement an infection prevention and control program.
In the surveyor’s words
From the most serious findings on record at Diamond Ridge Healthcare Center, in the surveyor’s own words.
- Immediate jeopardy, patternF584Aug 23, 2023
Based on observation, interview and record review, the facility failed to maintain the facility cooling system to provide eight of 12 sampled residents (Residents 1, 2, 3, 4, 5, 6, 7, 8) an environment with a safe and comfortable temperature. The failure to prevent excessive heat (temperatures in excess of 81 F, degrees Fahrenheit) in the facility resulted in physical discomfort for Residents 3, 4, 6, 7; Resident 5 was nauseous for three days; Resident 2 had difficulty sleeping; and Resident 1 was unable to receive restorative nursing care for two days. […]
- No harm, potential for more than minimal, widespreadF812Aug 15, 2024
Based on observation, interview, and record review the facility failed to store and prepare foods in a sanitary manner that prevented foodborne illness for the facility when: 1. Eleven unlabeled and undated sandwiches were stored in the refrigerator, 2. Multiple food items were stored in the dry storage room beyond use by date, and 3. Two outdated sandwiches and eight grapes with mold was stored on Resident 54's bedside table. These failures had the potential for residents to be exposed to food borne illness. Findings: 1. During a concurrent observation and interview on [DATE] at 7:30 a.m. […]
- No harm, potential for more than minimal, patternF655Aug 15, 2024
Based on interview and record review, the facility failed to timely develop and provide a baseline care plan for three of 32 sampled residents (Resident 108, 109, and 363) when the baseline care plans were not developed within 48 hours of Resident 108, 109 and 363's admission and the baseline care plan written summaries were not provided to the Resident 108, 109, 363 and the representatives. This failure had the potential to reduce the continuity of care and communication between Resident 108, 109, 363, the representatives, and the facility staff. […]
- No harm, potential for more than minimal, patternF677Aug 15, 2024
Based on observation, interview, and record review, the facility failed to ensure four of four sampled residents (Residents 28, 21, 63 and 84) received necessary care to maintain good grooming and personal hygiene when: 1. Resident 28 had long facial hair and long fingernails with black matter underneath, 2. Resident 21 had long fingernails with black matter underneath, 3. Resident 63 had long, thick facial hair, and 4. Resident 84 had long facial hair. This failure resulted in Residents 28, 21, 63 and 84 at risk for skin irritation and infection. Findings: 1. […]
- No harm, potential for more than minimal, patternF880Aug 15, 2024
Based on observation, interview, and record review, the facility failed to maintain and observe infection control practices when: 1. Certified Nursing Assistant (CNA) 4 did not wear face shield inside COVID-19 isolation room, 2. CNA 5 did not perform hand hygiene before entering Resident 166's room, 3. a glucometer (a device used to check blood sugar level) was stored inside the medication cart had traces of dark red stains around it, 4. a tray full of multiple single-use lancet supplies (a small sharp device that pricks the skin to draw a blood sample for testing blood sugar levels), a bottle of blood sugar test strips, alcohol pads and a glucometer device was placed on top of Resident 35's bed was not disinfected by Licensed Vocational Nurse (LVN) 4 after use, 5. […]
Read 22 findings in full →The most serious and the most recent: 22 of 142 on record.
Every survey on record
FindingsAt actual harm or above
- Jan 16, 2026Complaint2 findings
- Dec 29, 2025Complaint1 finding
- Aug 15, 2024Standard and complaint9 findings
- Apr 17, 2024Complaint1 finding
- Nov 1, 2023Complaint1 finding
- Oct 17, 2023Complaint2 findings
- Aug 23, 2023Complaint2 findings · 1 harm
- Jul 18, 2023Complaint1 finding
Show the 28 earlier surveys
- Apr 18, 2023Complaint2 findings
- Apr 4, 2023Complaint1 finding
- Mar 10, 2023Complaint1 finding
- Apr 15, 2022Standard16 findings
- Aug 19, 2021Complaint2 findings
- Jan 21, 2021Complaint1 finding
- Nov 9, 2020Complaint1 finding
- Feb 10, 2020Complaint1 finding
- Jul 18, 2019Standard14 findings
- Jun 7, 2018Standard4 findings
- Aug 14, 2017Complaint1 finding
- Jun 9, 2017Standard7 findings
- Mar 10, 2017Complaint1 finding
- Jun 24, 2016Standard6 findings
- Feb 2, 2016Complaint1 finding
- Jan 21, 2016Complaint2 findings
- Oct 8, 2015Complaint2 findings
- Jun 18, 2015Standard4 findings
- May 2, 2014Standard13 findings
- Aug 19, 2013—1 finding
- Feb 14, 2013—6 findings
- Aug 15, 2012—2 findings
- Jun 25, 2012—2 findings
- May 1, 2012—2 findings · 2 harm
- Jan 23, 2012—4 findings
- Nov 10, 2011—14 findings
- Jul 26, 2011—2 findings
- Aug 12, 2010—10 findings
Surveys that found no deficiencies are not in CMS’s files and do not appear here.
Comparable facilities
The nearest facilities to this one in the same peer group, by weighted findings.
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