Diamondback Healthcare Center
3000 N 91st Avenue, Phoenix, AZ 85037 · Maricopa County · (623) 303-2882
94 certified beds, about 91 residents a day · For profit - Individual · Medicare and Medicaid since 2022
Certified for Medicaid Certified for Medicare
Overall
3 of 5
Health inspections
4 of 5
Staffing
1 of 5
Quality measures
4 of 5
CMS Care Compare ratings, data as of September 1, 2026 · CCN 035302 · See it on Medicare.gov · Compare with other homes
The record in brief
At its most recent standard inspection, on February 6, 2026, inspectors cited 2 health deficiencies (the Arizona average is 6.4, the national average 9.2).
None of its 10 health citations since April 2023 was rated as actual harm or immediate jeopardy.
CMS lists 2 fines totaling $5,073 in the last three years; the largest was $3,174, and the latest is dated January 8, 2024.
Nurses and nurse aides worked 4.91 hours per resident per day, against 3.98 across Arizona and 3.86 nationally. Registered nurses accounted for 0.58 of those hours.
72.1% of nursing staff left within the year CMS measured (Arizona average 45.1%).
Health inspections
Federal rules call for a standard inspection at least every 15 months, plus a visit whenever a complaint is filed. Each mark below is one citation, colored by how serious inspectors rated it. How to read a citation.
Under each citation, the quoted text is the inspector's own summary from the federal statement of deficiencies (CMS form 2567), word for word apart from a privacy scrub; CMS removes residents' and staff names before it publishes the text. The full notes are on Medicare.gov.
104/23
108/24
110/24
201/25
112/25
201/26
202/26
Potential for minimal harm Potential for more than minimal harm Actual harm Immediate jeopardy Found on a complaint visit
Where its citations fall on CMS's grid
CMS rates every citation by how much harm it caused (rows) and how many residents it touched (columns). The count in each box is this home's, across all 10 health citations on file.
Severity
Isolated
Pattern
Widespread
Immediate jeopardy
0J
0K
0L
Actual harm
0G
0H
0I
Potential for more than minimal harm
8D
2E
0F
Potential for minimal harm
0A
0B
0C
February 6, 2026Standard inspection · 2 citations
- D Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Inspectors wroteBased on observations, staff interviews, and policy review, the facility failed to ensure that food is labeled and dated after opening in accordance with professional food safety standards. The deficient practice may result in practices of food storage that may not be in accordance with professional food safety standards.
- D Provide and implement an infection prevention and control program.
Inspectors wroteBased on clinical record review, observations, staff interviews, and review of policy and procedures, the facility failed to ensure proper infection prevention and control practices were implemented related to contact precautions for one resident of 5 residents (#117) and the facility failed to ensure that community infection control surveillance mapping was documented. The deficient practice could result in transmission of infection in the facility.
January 29, 2026Complaint inspection · 2 citations
- D Provide the required documentation or notification related to the resident's needs, appeal rights, or bed-hold policies.
Inspectors wroteBased on closed record review, staff interviews, review of facility process and policy, and the State Operations Manual the facility failed to ensure that all transfer/discharge notifications were made for two residents (#17 and #22). The deficient practice could lead to notifications and pertinent information regarding the discharge/transfer not being provided.
- D Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.
Inspectors wroteBased on observation, interview, and record review, the facility failed to accurately document that a medication was discontinued and rationale thereof for one (#28) of three sampled residents. The deficient practice could result in negatively impacting continuity of care documentation.
December 5, 2025Complaint inspection · 1 citation
- E Provide appropriate treatment and care according to orders, resident’s preferences and goals.
Inspectors wroteBased on clinical record review, interviews and review of facility policy and procedure, the facility failed to ensure medications were administered within the physician ordered parameters for Resident #09. The deficient practice may result in medications being administered outside physician ordered parameters. Findings Include:Resident # 09 was admitted on [DATE] and readmitted on [DATE] with diagnoses that included acute and chronic respiratory failure with hypoxia, hypotension, dependence on respirator (ventilator) status, and bradycardia. A review of the admission Minimum Data Set (MDS) dated [DATE], revealed the resident had a Staff Assessment for Mental Status (SAMS) score of 3, indicated the resident cognition was severely impaired. Review of the medical records revealed medication orders with start date of May 07, 2024:Carvedilol Oral Tablet 3.125 milligram; [...]
January 7, 2025Complaint inspection · 2 citations
- D Develop and implement policies and procedures to prevent abuse, neglect, and theft.
Inspectors wroteBased on documentation, observations, staff interviews and the facility policy and procedures, the facility failed to report an injury of unknown origin and complete a 5-day written investigation in accordance to their Abuse Policy's required timeframe for one resident (#2). The sample size was three. The deficient practice may result in residents being abused or receiving the appropriate treatment and care untimely.
- D Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
Inspectors wroteBased on documentation, observations, staff interviews and the facility policy and procedures, the facility failed to report an injury of unknown origin within required timeframe for one resident (#2). The sample size was three. The deficient practice may result in residents being abused or receiving the appropriate treatment and care untimely.
October 31, 2024Standard inspection · 1 citation
- D Ensure services provided by the nursing facility meet professional standards of quality.
Inspectors wroteBased on observation, interview, review of facility documentation, and review of facility policy, the facility failed to ensure that care and services were provided according to professional standards for one of one sampled resident (#42). The deficient practice could result in care not being provided to accepted standards of practice, leading to harm to a resident.
August 14, 2024Complaint inspection · 1 citation
- E Provide safe and appropriate respiratory care for a resident when needed.
Inspectors wroteBased on personnel record reviews, facility documentation, staff interviews and policy review, the facility failed to ensure staffs had competencies or skills needed to provide care for 8 residents on ventilator and tracheostomy. The facility census was 75. The deficient practice could result in patients with ventilator and tracheostomy (Vent/ Trach) not receiving care that they need.
April 5, 2023Standard inspection · 1 citation
- D 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.
Inspectors wroteBased on observation, staff interviews, and review of policy and procedure, the facility failed to ensure that controlled medications were secured in a separately locked, permanently affixed compartment. This deficient practice could result in controlled medication accessible to unauthorized personnel.
Fire safety inspections
8 fire safety citations on file: 1 on October 31, 2024, 7 on April 5, 2023.
Every fire safety citation8 citations
- D Conduct testing and exercise requirements.
- E Ensure smoke barriers are constructed to a 1 hour fire resistance rating.
- E Have elevators that firefighters can control in the event of a fire.
- E Have simulated fire drills held at unexpected times.
- E Have generator or other power source capable of supplying service within 10 seconds.
- D Provide exit doors that are held open by devices that will automatically close on the activation of a fire alarm or smoke detector.
- D Provide properly protected cooking facilities.
- D Have properly installed electrical wiring and gas equipment.
Fines and payment denials
| Date | Penalty | Amount or length |
|---|---|---|
| January 8, 2024 | Fine | $1,899 |
| December 18, 2023 | Fine | $3,174 |
A payment denial means Medicare and Medicaid stopped paying for new admissions for that period.
Staffing
Hours of care per resident per day, from the payroll records every home sends CMS. Higher means more staff time with each resident.
| Measure | This home | Arizona | United States |
|---|---|---|---|
| All nursing staff (RN, LPN and aides) | 4.91 | 3.98 | 3.86 |
| Registered nurses | 0.58 | 0.70 | 0.69 |
| All nursing staff on weekends | 4.15 | 3.51 | 3.42 |
| Nurse aides | 2.51 | ||
| Licensed practical nurses | 1.81 | ||
| Nursing staff turnover (share who left in a year) | 72.1% | 45.1% | 45.8% |
| Registered nurse turnover | 84.2% | 43.6% | 42.9% |
| Administrators who left | 0 |
CMS expects 5.46 hours a day for residents as sick as this home's (its case-mix figure). The staffing star compares the two.
Staffing by quarter, from daily payroll records
Every nursing home sends CMS its staff hours for each day (the Payroll Based Journal). Here they are added up by quarter. The latest quarter is the one behind the figures above. In January to March 2026, nursing staff hours per resident were 5.22 on weekdays and 4.15 on weekends, 20% lower on weekends (nationally, weekends ran 15% lower). Contract or agency staff worked 6.1% of nursing hours, against 5.3% nationally. Total nursing hours per resident went from 4.88 in April to June 2025 to 4.91 in January to March 2026.
| Quarter | All nursing staff | Registered nurses | Weekdays | Weekends | Contract staff share | Days with no RN hours | Residents a day |
|---|---|---|---|---|---|---|---|
| Jan to Mar 2026 | 4.91 | 0.58 | 5.22 | 4.15 | 6.1% | 0 of 90 | 91 |
| Oct to Dec 2025 | 3.86 | 0.35 | 4.12 | 3.20 | 7.6% | 0 of 92 | 92 |
| Jul to Sep 2025 | 5.03 | 0.68 | 5.45 | 3.95 | 3.0% | 0 of 92 | 85 |
| Apr to Jun 2025 | 4.88 | 0.61 | 5.12 | 4.26 | 2.1% | 0 of 91 | 92 |
| United States, Jan to Mar 2026 | 3.75 | 0.62 | 3.92 | 3.33 | 5.3% | 0.5% of days | |
| Arizona, Jan to Mar 2026 | 3.87 | 0.63 | 4.05 | 3.43 | 3.3% | 0.5% of days |
Hours per resident per day: staff hours in the quarter divided by resident days (the daily census CMS derives from resident assessments). Registered nurses include the director of nursing and RNs with administrative duties; aides include nurse aides in training and medication aides, as in CMS's own staffing measure. How these are calculated.
Quality measures
The measures CMS uses for the quality star. Lower is better for every one of them.
| Measure | This home | Arizona | US |
|---|---|---|---|
| Percentage of long-stay residents whose need for help with daily activities has increased Long Stay residents, 2025Q2-2026Q1 | 25.7 | 10.7 | 13.9 |
| Percentage of long-stay residents with a catheter inserted and left in their bladder Long Stay residents, 2025Q2-2026Q1 | 4.2 | 0.8 | 0.8 |
| Percentage of long-stay residents with a urinary tract infection Long Stay residents, 2025Q2-2026Q1 | 3.2 | 1.2 | 1.6 |
| Percentage of long-stay residents experiencing one or more falls with major injury Long Stay residents, 2025Q2-2026Q1 | 1.3 | 2.1 | 3.2 |
| Percentage of short-stay residents who newly received an antipsychotic medication Short Stay residents, 2025Q2-2026Q1 | 0.8 | 1.2 | 1.6 |
| Percentage of long-stay residents whose ability to walk independently worsened Long Stay residents, 2025Q2-2026Q1 | 47.3 | 12.8 | 14.1 |
| Percentage of long-stay residents with pressure ulcers Long Stay residents, 2025Q2-2026Q1 | 7.7 | 4.4 | 4.6 |
| Percentage of long-stay residents who received an antipsychotic medication Long Stay residents, 2025Q2-2026Q1 | 7.9 | 10.7 | 15.4 |
| Percentage of short-stay residents who were rehospitalized after a nursing home admission Short Stay residents, 20250101-20251231 | 21.0 | 23.7 | 23.8 |
| Percentage of short-stay residents who had an outpatient emergency department visit Short Stay residents, 20250101-20251231 | 4.9 | 10.4 | 12.0 |
Owners and operators
Legal business name: 91ST AVENUE OPERATIONS LLC.
| Name | Role | Type | Share | Since |
|---|---|---|---|---|
| 91st Avenue Holdings LLC | 5% or greater direct ownership interest | Organization | 100% | 05/03/2021 |
| Ih-Az Holdings LLC | 5% or greater indirect ownership interest | Organization | 05/03/2021 | |
| Lotus Development LLC | 5% or greater indirect ownership interest | Organization | 05/03/2021 | |
| Matrix Capital Partners LLC | 5% or greater indirect ownership interest | Organization | 05/03/2021 | |
| Prime Access Mortgage Inc. | 5% or greater indirect ownership interest | Organization | 05/03/2021 | |
| Red Clover Technology LLC | 5% or greater indirect ownership interest | Organization | 05/03/2021 | |
| Ascension Alpha Fund, LLC | Indirect ownership interest | Organization | 09/03/2025 | |
| California Ironworkers Field Pension Trust | Indirect ownership interest | Organization | 09/03/2025 | |
| Locust Pointe Senior Debt Fund, II, L.P. | Indirect ownership interest | Organization | 09/03/2025 | |
| Lpc Gp II, LLC | Indirect ownership interest | Organization | 09/03/2025 | |
| Lppc Feeder, LLC | Indirect ownership interest | Organization | 09/03/2025 | |
| Pacific Private Credit Fund III L. P. | Indirect ownership interest | Organization | 09/03/2025 | |
| Teacher's Retirement System of the State of Illinois | Indirect ownership interest | Organization | 09/03/2025 | |
| Smith, Eric | Indirect ownership interest | Individual | 09/03/2025 | |
| Seif, Yehoshua | Corporate officer | Individual | 01/29/2025 | |
| Smith, Eric | Corporate officer | Individual | 01/29/2025 | |
| Dbaz Management, LLC | Operational/managerial control | Organization | 01/01/2025 | |
| Resolve of Phoenix Post Acute, LLC | Operational/managerial control | Organization | 01/01/2025 | |
| Cohen, Yaakov | Operational/managerial control | Individual | 01/01/2025 | |
| Feliciano, Elma | Operational/managerial control | Individual | 01/01/2025 | |
| Feliciano, Jose | Operational/managerial control | Individual | 12/03/2025 | |
| Garcia, Anselmo | Operational/managerial control | Individual | 04/01/2025 | |
| Hasan, Omair | Operational/managerial control | Individual | 05/01/2026 | |
| Seif, Yehoshua | Operational/managerial control | Individual | 01/29/2025 | |
| Smith, Eric | Operational/managerial control | Individual | 01/29/2025 | |
| 91st Avenue Holdings LLC | Adp of the SNF | Organization | 06/25/2021 | |
| 91st Avenue Properties LLC | Adp of the SNF | Organization | 06/25/2021 | |
| Ascension Alpha Fund, LLC | Adp of the SNF | Organization | 09/03/2025 | |
| California Ironworkers Field Pension Trust | Adp of the SNF | Organization | 09/03/2025 | |
| Dbaz Management, LLC | Adp of the SNF | Organization | 03/03/2025 | |
| Locust Pointe Senior Debt Fund, II, L.P. | Adp of the SNF | Organization | 09/03/2025 | |
| Lppc Feeder, LLC | Adp of the SNF | Organization | 09/03/2025 | |
| Pacific Private Credit Fund III L. P. | Adp of the SNF | Organization | 09/03/2025 | |
| Resolve of Phoenix Post Acute, LLC | Adp of the SNF | Organization | 04/21/2025 | |
| Teacher's Retirement System of the State of Illinois | Adp of the SNF | Organization | 09/03/2025 | |
| Cohen, Yaakov | Adp of the SNF | Individual | 01/01/2025 | |
| Feliciano, Elma | Adp of the SNF | Individual | 01/01/2025 | |
| Feliciano, Jose | Adp of the SNF | Individual | 12/03/2025 | |
| Garcia, Anselmo | Adp of the SNF | Individual | 04/01/2026 | |
| Hasan, Omair | Adp of the SNF | Individual | 05/01/2026 | |
| Seif, Yehoshua | Adp of the SNF | Individual | 01/01/2025 |
As listed in the CMS ownership file, which names owners with a 5% or greater stake and the people and companies with operational or managerial control.
Questions to ask on a visit
Chosen from this home's own inspection record.
- When is the care plan meeting, and can family attend it?Inspectors cited 2 problems in this area, most recently on January 29, 2026: "Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards."
- How do you prevent falls and pressure injuries, and how are families told when one happens?Inspectors cited 2 problems in this area, most recently on December 5, 2025: "Provide appropriate treatment and care according to orders, resident’s preferences and goals."
- How are allegations of abuse or neglect reported and investigated, and who tells the family?Inspectors cited 2 problems in this area, most recently on January 7, 2025: "Develop and implement policies and procedures to prevent abuse, neglect, and theft."
- Can we see a week of menus and the kitchen, and how are special diets handled?Inspectors cited 1 problem in this area, most recently on February 6, 2026: "Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards."
Other nursing homes nearby
- Northpark Health and Rehabilitation of Cascadia Phoenix, 0.8 mi · 3 of 5 stars · 10 citations
- Bella Vita Health and Rehabilitation Center Glendale, 5.1 mi · 3 of 5 stars · 23 citations
- Palm Valley Post Acute Goodyear, 5.3 mi · 2 of 5 stars · 48 citations
- Estrella Health and Rehabilitation Center Avondale, 5.7 mi · 4 of 5 stars · 13 citations
- Az - Rio Vista Post Acute and Rehabilitation Peoria, 6 mi · 5 of 5 stars · 14 citations
- Sun Health La Loma Care Center Litchfield Park, 6.1 mi · 3 of 5 stars · 11 citations
- Immanuel Campus of Care Peoria, 6.4 mi · 3 of 5 stars · 32 citations
- Agave Grove Post Acute Glendale, 6.5 mi · 3 of 5 stars · 20 citations
Arizona contacts for a concern about a nursing home
These are the official offices in Arizona. NursingHomeClear cannot take or act on complaints.
- Inspections and complaints: Arizona Department of Health Services, Long Term Care Facilities Licensing, the state agency that inspects nursing homes for CMS and takes complaints about care.
- State inspection reports: AZ Care Check, where Arizona publishes its own records on licensed homes.
Common questions
- What is Diamondback Healthcare Center's Medicare star rating?
- CMS rates Diamondback Healthcare Center 3 out of 5 stars overall, with 4 for health inspections, 1 for staffing and 4 for quality measures (CMS data as of September 1, 2026).
- How many deficiencies did Diamondback Healthcare Center get at its last inspection?
- 2 health deficiencies at the standard inspection on February 6, 2026. The Arizona average is 6.4.
- Has Diamondback Healthcare Center been fined?
- Yes. CMS lists 2 fines totaling $5,073 in the last three years.
- Does Diamondback Healthcare Center accept Medicaid?
- It is certified to take Medicaid (CMS lists it as "Medicare and Medicaid"). Certification does not mean a Medicaid bed is open: ask the admissions office.
- Who owns Diamondback Healthcare Center?
- CMS lists 41 owners and managers. Legal business name: 91ST AVENUE OPERATIONS LLC.
Sources
- Ratings, staffing and fines: CMS Provider Information, released September 30, 2026, data as of September 1, 2026.
- Citations: CMS Health Deficiencies and Fire Safety Deficiencies.
- Owners: CMS Ownership. Penalties: CMS Penalties.
- Staffing by quarter: CMS Payroll Based Journal Daily Nurse Staffing, April 2025 to March 2026, summed by NursingHomeClear.
- Inspector summaries: CMS Full Statement of Deficiencies (CMS-2567 text), data as of September 1, 2026. Each quote is the part of the statement before the detailed findings.
- Inspection reports with the inspectors' full notes are on this home's Medicare.gov page.
- Something wrong on this page? Ask for a correction. We fix errors in our copy of the data; findings themselves can only be changed by CMS and the state.
- NursingHomeClear is independent and not affiliated with CMS, Medicare or any state agency. This page reports federal records; it does not rate, recommend or endorse any home, and it is not medical or legal advice.