Diamond Ridge Healthcare Center

Nursing Home · Pittsburg, CA

CMS overall rating 2/5 For profit - Limited Liability company

CMS certification number555287

Contact & location

2351 Loveridge Road
Pittsburg, CA 94565
Contra Costa County
Phone
(925) 427-4444
ZIP code
94565 – all care providers

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Facility details

Certified beds
120
Residents per day
112.7 (94% occupied)
Ownership
For profit - Limited Liability company
Legal name
Diamond Ridge Post Acute LLC
Chain
David Johnson (48 facilities, avg 3.2★)
Medicare certified since
October 2, 1987
Participates in
Medicare and Medicaid
Council
Resident council

CMS star ratings

Overall★★★★★ 2/5
State avg 3.2
Health inspections★★★★★ 2/5
State avg 2.8
Staffing★★★★★ 4/5
State avg 3.3
Quality measures★★★★★ 4/5
State avg 4.1
Long-stay quality★★★★★ 5/5
Short-stay quality★★★★★ 4/5

Staffing

Hours of nursing care per resident per day, from payroll data. More hours generally mean more time for each resident.

Total nurse staffing
4.30 (state 4.52 · U.S. 3.86)
Registered nurses (RN)
0.49 (state 0.67 · U.S. 0.69)
Licensed practical nurses
1.19 (state 1.20 · U.S. 0.86)
Nurse aides
2.62 (state 2.65 · U.S. 2.32)
Weekend total
3.96 (state 4.09 · U.S. 3.42)
Nursing staff turnover
24.6 (state 36.7 · U.S. 45.8)%
RN turnover
52.9 (state 38.1 · U.S. 42.9)%
Administrators who left
0 in the last year

Inspections

Last standard inspection
August 15, 2024
Health deficiencies (last cycle)
12.0 (state 15.7 · U.S. 9.3)
From complaints
4
Citations on record (3 years)
48 health · 25 fire safety · includes immediate jeopardy
DateCitationSeverityStatus
2026-01-16 Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
F0550 · Resident Rights Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 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.
F0689 · Quality of Life and Care Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 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.
F0580 · Resident Rights Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 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.
F0812 · Nutrition and Dietary Deficiencies		 F
No actual harm, potential for more than minimal harm		 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
F0655 · Resident Assessment and Care Planning Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2024-09-14
2024-08-15 Provide care and assistance to perform activities of daily living for any resident who is unable.
F0677 · Quality of Life and Care Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2024-09-14
2024-08-15 Provide and implement an infection prevention and control program.
F0880 · Infection Control Deficiencies		 E
No actual harm, potential for more than minimal harm		 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.
F0640 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2024-09-14
2024-08-15 Provide the appropriate treatment and services to a resident who displays or is diagnosed with dementia.
F0744 · Quality of Life and Care Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 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.
F0755 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 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.
F0758 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 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.
F0761 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 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.
F0600 · Freedom from Abuse, Neglect, and Exploitation Deficiencies · complaint inspection		 E
No actual harm, potential for more than minimal harm		 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.
F0580 · Resident Rights Deficiencies · complaint inspection		 E
No actual harm, potential for more than minimal harm		 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.
F0758 · Pharmacy Service Deficiencies · complaint inspection		 E
No actual harm, potential for more than minimal harm		 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.
F0805 · Nutrition and Dietary Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 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.
F0584 · Resident Rights Deficiencies · complaint inspection		 K
Immediate jeopardy to resident health or safety		 Corrected 2023-09-19
2023-08-23 Keep all essential equipment working safely.
F0908 · Environmental Deficiencies · complaint inspection		 D
No actual harm, potential for more than minimal harm		 Corrected 2023-09-19
2022-04-15 Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted
F0655 · Resident Assessment and Care Planning Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide enough nursing staff every day to meet the needs of every resident; and have a licensed nurse in charge on each shift.
F0725 · Nursing and Physician Services Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
F0756 · Pharmacy Service Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature.
F0804 · Nutrition and Dietary Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
F0812 · Nutrition and Dietary Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide and implement an infection prevention and control program.
F0880 · Infection Control Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Ensure each resident receives an accurate assessment.
F0641 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
F0656 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide care and assistance to perform activities of daily living for any resident who is unable.
F0677 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide safe and appropriate respiratory care for a resident when needed.
F0695 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide safe, appropriate pain management for a resident who requires such services.
F0697 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
F0755 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 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.
F0758 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
F0802 · Nutrition and Dietary Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Keep all essential equipment working safely.
F0908 · Environmental Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2022-04-30
2022-04-15 Ensure staff are vaccinated for COVID-19
F0888 · Infection Control Deficiencies		 C
No actual harm, potential for minimal harm		 Corrected 2022-04-30
2019-07-18 Provide and implement an infection prevention and control program.
F0880 · Infection Control Deficiencies		 E
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Honor the resident's right to request, refuse, and/or discontinue treatment, to participate in or refuse to participate in experimental research, and to formulate an advance directive.
F0578 · Resident Rights Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Provide care and assistance to perform activities of daily living for any resident who is unable.
F0677 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Provide appropriate treatment and care according to orders, resident’s preferences and goals.
F0684 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Assist a resident in gaining access to vision and hearing services.
F0685 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Ensure that feeding tubes are not used unless there is a medical reason and the resident agrees; and provide appropriate care for a resident with a feeding tube.
F0693 · Quality of Life and Care Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
F0755 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
F0756 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Ensure each resident’s drug regimen must be free from unnecessary drugs.
F0757 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 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.
F0761 · Pharmacy Service Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Provide timely, quality laboratory services/tests to meet the needs of residents.
F0770 · Administration Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
F0800 · Nutrition and Dietary Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
F0812 · Nutrition and Dietary Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18
2019-07-18 Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.
F0842 · Resident Assessment and Care Planning Deficiencies		 D
No actual harm, potential for more than minimal harm		 Corrected 2019-08-18

Severity letters A–L combine how widespread a problem was (isolated, pattern, widespread) with how serious (from potential for minimal harm to immediate jeopardy). How to read inspection results

Fines & penalties

1 penalty in the last three years, including $42,033 in fines.

DateTypeAmount
2023-08-23Fine$42,033

Ownership & management

NameRoleSince
Diamond Ridge Post Acute LLC (organization)5%+ Direct Ownership Interest · 100%
Dehghanmanesh, Adrian (individual)Administrator · NOT APPLICABLE
Diamond Ridge Post Acute LLC (organization)Administrator · NOT APPLICABLE
Farrales, Mary (individual)Administrator · NOT APPLICABLE
Johnson, David (individual)Administrator · NOT APPLICABLE
Kochek, Joshua (individual)Administrator · NOT APPLICABLE
NG, Andrew (individual)Administrator · NOT APPLICABLE
Oxford, Micheal (individual)Administrator · NOT APPLICABLE
SMV Pittsburg LLC (organization)Administrator · NOT APPLICABLE
Sun Meridian Management Services LLC (organization)Administrator · NOT APPLICABLE
Viloria, Harriet (individual)Administrator · NOT APPLICABLE
Dehghanmanesh, Adrian (individual)Corporate Officer · NOT APPLICABLE
Johnson, Frank (individual)Corporate Officer · NOT APPLICABLE
Dehghanmanesh, Adrian (individual)Operational/managerial Control · NOT APPLICABLE
Diamond Ridge Post Acute LLC (organization)Operational/managerial Control · NOT APPLICABLE
Johnson, David (individual)Operational/managerial Control · NOT APPLICABLE
Johnson, Frank (individual)Operational/managerial Control · NOT APPLICABLE
Kochek, Joshua (individual)Operational/managerial Control · NOT APPLICABLE
Oxford, Micheal (individual)Operational/managerial Control · NOT APPLICABLE

Frequently asked questions

What is the rating of Diamond Ridge Healthcare Center?

Diamond Ridge Healthcare Center has a 2-star overall rating from the Centers for Medicare & Medicaid Services on a scale of 1 to 5, compared with a 3.2-star average in California.

How many beds does Diamond Ridge Healthcare Center have?

It has 120 certified beds and cares for about 113 residents per day.

Has Diamond Ridge Healthcare Center been fined?

Yes. CMS lists 1 penalty totaling $42,033 in the last three years.

Who owns Diamond Ridge Healthcare Center?

It is part of David Johnson and is classified as for profit - limited liability company. See the ownership table above for all owners and managers reported to CMS.

What is the phone number of Diamond Ridge Healthcare Center?

(925) 427-4444. The facility is located at 2351 Loveridge Road, Pittsburg, CA 94565.

Other nursing homes in Pittsburg

Compare all nursing homes in Pittsburg, CA →

Source: CMS Care Compare, August 2026. Information is provided as published by CMS; verify details directly with the facility.