Nursing homes › California › Diamond Ridge Healthcare Center
2351 Loveridge Road, Pittsburg, CA 94565 · (925) 427-4444 · 120 certified beds
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Open your comparisonCMS overall star rating: this provider 2/5; median among 1,154 providers with a published value in the same state and provider category: 3/5.
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Per CMS filings, this facility is affiliated with David Johnson, a group operating 48 facilities in 2 states. Group record: average rating 3.2/5, 6 abuse citation icons, 1 facility on the Special Focus list, $926,447 in federal fines. This facility rates below its group average (3.2/5).
Total nurse staffing: 4.30 (California median: 4.24). RN hours: 0.49. Weekend total: 3.96. Nursing staff turnover: 25%.
In the downloaded CMS dataset: 48 deficiency citations, including 1 at immediate-jeopardy level. Below: up to 40 most recent citations from 2023 onward (severity letters explained in methodology).
| Survey date | Deficiency | Sev. | Type | Status |
|---|---|---|---|---|
| 2026-01-16 | Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. | D | complaint | corrected 2026-02-06 |
| 2026-01-16 | Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents. | D | complaint | corrected 2026-02-06 |
| 2025-12-29 | Immediately tell the resident, the resident's doctor, and a family member of situations (injury/decline/room, etc.) that affect the resident. | D | complaint | corrected 2026-01-14 |
| 2024-08-15 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. | F | Health | corrected 2024-09-14 |
| 2024-08-15 | Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted | E | Health | corrected 2024-09-14 |
| 2024-08-15 | Provide care and assistance to perform activities of daily living for any resident who is unable. | E | Health | corrected 2024-09-14 |
| 2024-08-15 | Provide and implement an infection prevention and control program. | E | Health | corrected 2024-09-14 |
| 2024-08-15 | Encode each resident’s assessment data and transmit these data to the State within 7 days of assessment. | D | Health | corrected 2024-09-14 |
| 2024-08-15 | Provide the appropriate treatment and services to a resident who displays or is diagnosed with dementia. | D | complaint | corrected 2024-09-14 |
| 2024-08-15 | Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist. | D | Health | corrected 2024-09-14 |
| 2024-08-15 | 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. | D | Health | corrected 2024-09-14 |
| 2024-08-15 | Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs. | D | Health | corrected 2024-09-14 |
| 2024-04-17 | Protect each resident from all types of abuse such as physical, mental, sexual abuse, physical punishment, and neglect by anybody. | E | complaint | corrected 2024-05-14 |
| 2023-11-01 | Immediately tell the resident, the resident's doctor, and a family member of situations (injury/decline/room, etc.) that affect the resident. | E | complaint | corrected 2023-11-20 |
| 2023-10-17 | 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. | E | complaint | corrected 2023-11-13 |
| 2023-10-17 | Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs. | D | complaint | corrected 2023-11-13 |
| 2023-08-23 | Honor the resident's right to a safe, clean, comfortable and homelike environment, including but not limited to receiving treatment and supports for daily living safely. | K | complaint | corrected 2023-09-19 |
| 2023-08-23 | Keep all essential equipment working safely. | D | complaint | corrected 2023-09-19 |
| Date | Type | Amount |
|---|---|---|
| 2023-08-23 | Fine | $42,033 |
| Name | Role | Type | % | Since |
|---|---|---|---|---|
| DIAMOND RIDGE POST ACUTE LLC | 5% Or Greater Direct Ownership Interest | Organization | 100% | since 02/03/2022 |
| DEHGHANMANESH, ADRIAN | Corporate Officer | Individual | NOT APPLICABLE | since 06/01/2021 |
| JOHNSON, FRANK | Corporate Officer | Individual | NOT APPLICABLE | since 02/11/2021 |
| DIAMOND RIDGE POST ACUTE LLC | Operational/Managerial Control | Organization | NOT APPLICABLE | since 02/03/2022 |
| DEHGHANMANESH, ADRIAN | Operational/Managerial Control | Individual | NOT APPLICABLE | since 06/01/2021 |
| JOHNSON, DAVID | Operational/Managerial Control | Individual | NOT APPLICABLE | since 02/11/2021 |
| JOHNSON, FRANK | Operational/Managerial Control | Individual | NOT APPLICABLE | since 02/11/2021 |
| KOCHEK, JOSHUA | Operational/Managerial Control | Individual | NOT APPLICABLE | since 04/01/2022 |
| OXFORD, MICHEAL | Operational/Managerial Control | Individual | NOT APPLICABLE | since 01/03/2022 |
How to cite this page: CareRecords, “Diamond Ridge Healthcare Center — compliance, penalty and ownership record” (CCN 555287), compiled from the CMS Provider Data Catalog, August 2026 release. https://carerecords.org/nursing-home/diamond-ridge-healthcare-center-pittsburg-ca/
Source: CMS Provider Data Catalog (August 2026 release) — provider file, deficiency file, ownership file, penalty file. CCN 555287. Corrections: data@carerecords.org.