Diamond Ridge Healthcare Center
2351 Loveridge Road, Pittsburg, CA, 94565
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Order the reportFederal Quality Data
Official records from CMS Care Compare — reported by the facility and audited by the Centers for Medicare & Medicaid Services. We present them unmodified. Refreshed June 2026.
CMS Star Ratings
Facility & Staffing
- Ownership
- For profit - Limited Liability company · Chain: David Johnson
- Certified beds
- 120 · avg 112 residents/day
- Total nursing staff turnover
- 25.6% — lower than most California nursing homesCalifornia avg: 37.4% · National avg: 46.1% · per CMS Care Compare
- RN turnover
- 50% — higher than most California nursing homesCalifornia avg: 39.4% · National avg: 43.3% · per CMS Care Compare
- Administrators who left
- 0 departed — near the California averageCalifornia avg: 0.4 · National avg: 0.5 · per CMS Care Compare
Enforcement & Citations
- Fines (past 3 years)
- 1 fine · $42,033 total
Medicare certification
- CMS Certification Number
- 555287
- Certified beds
- 120 beds · avg 112 residents/day
- Ownership type
- For profit - Limited Liability company
- Continuing-care community
- No
CMS Care Compare, processing date June 1, 2026
Ownership & operations
- Legal business name
- Diamond Ridge Post Acute Llc
- Chain affiliation
- David Johnson
CMS Care Compare, processing date June 1, 2026
Federal ownership record
Chain affiliation
Part of the David Johnson chain — 47 facilities across 2 states. Chain-wide average overall rating 3.3 / 5.
Disclosed owners (12 on record)
- Andrew Chi-wei ng
Adp of The Snf · since 2025
- Harriet Viloria
Adp of The Snf · since 2024
- Mary Farrales
Adp of The Snf · since 2023
- (unnamed Owner)
Adp of The Snf · since 2022
- Joshua Kochek
Adp of The Snf · since 2022
- Diamond Ridge Post Acute Llc
Adp of The Snf · since 2022
+ 6 additional owners on the federal record.
Source: CMS Provider Enrollment data — SNF Enrollments + All Owners + Chain Performance Measures, as of May 2026.
Federal inspection record
Immediate-jeopardy citations (CMS scope/severity J–L) are the most serious category federal inspectors issue — meaning a deficiency placed residents in immediate risk of serious harm. Ask the facility for the corrective-action plan filed with CMS, and consider contacting your state long-term care ombudsman for context.
Recent health-deficiency citations (most recent 8 of 49)
- D0689·Jan 16, 2026Complaint
Quality of Life and Care Deficiencies
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
- D0550·Jan 16, 2026Complaint
Resident Rights Deficiencies
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
- D0580·Dec 29, 2025Complaint
Resident Rights Deficiencies
Immediately tell the resident, the resident's doctor, and a family member of situations (injury/decline/room, etc.) that affect the resident.
- D0744·Aug 15, 2024Complaint
Quality of Life and Care Deficiencies
Provide the appropriate treatment and services to a resident who displays or is diagnosed with dementia.
- E0880·Aug 15, 2024
Infection Control Deficiencies
Provide and implement an infection prevention and control program.
- F0812·Aug 15, 2024
Nutrition and Dietary Deficiencies
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
- D0761·Aug 15, 2024
Pharmacy Service Deficiencies
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.
- D0758·Aug 15, 2024
Pharmacy Service Deficiencies
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 li…
Federal penalties
By year
- 20231 fine · $42K
Most recent events
- Aug 23, 2023Fine · $42K
Fire-safety citations
25 Life-Safety-Code citations on file. Most recent: Aug 15, 2024. Fire-safety inspections cover building-level Life Safety Code compliance, separate from the resident-care health survey.
Source: CMS Provider Data Catalog — Health Deficiencies, Fire Safety Deficiencies, and Penalties datasets, snapshot Jun 1, 2026.
Facility background report
The entire federal paper trail on this facility, in one report.
We compile everything the government publishes about Diamond Ridge Healthcare Centerinto one plain-English report: full inspection history with severity grades, every fine, staffing versus state averages, who really owns the facility, and how the owner's other facilities perform. Every fact cites its federal source.
Order the full background report — $249Where this information comes from
- Certification, capacity, ownership, star ratings, staffing, fines, deficiencies: CMS Care Compare, processing date June 1, 2026.
Data comes unaltered from the federal files. See every source we publish from.