We are a leading post-acute healthcare company primarily focused on delivering high-quality skilled nursing care through a portfolio of independently operated facilities. Founded in 2013, we are one of the largest skilled nursing providers in the United States based on number of facilities, with over 200 post-acute care facilities across nine states serving over 20,000 patients daily. We also provide senior care, assisted living, and independent living options in some of our communities. Our significant historical growth has been primarily driven by our expertise in acquiring underperforming long-term custodial care skilled nursing facilities and transforming them into higher acuity, high value-add short-term transitional care skilled nursing facilities. We believe our success is driven in significant part by our decentralized, local operating model, through which we empower local leaders at each facility to operate their facility autonomously and deliver excellence in clinical quality and a superior experience for our patients. We provide our independently operated facilities with a comprehensive suite of technology, support, and back-office services that allow local leadership teams to focus more of their time and effort on providing quality care to patients. We believe our operating model delivers value to all of our healthcare stakeholders, including patients and families, referring providers, payors, and administrators and clinicians.
The post-acute care ecosystem serves individuals who need additional help recuperating from acute conditions, illnesses, or serious medical procedures after they have been discharged from the hospital. This ecosystem ranges from higher acuity, higher-cost settings, such as long-term acute care hospitals and inpatient rehabilitation facilities, to lower acuity, lower-cost settings, such as assisted living facilities, and home health. Skilled nursing facilities (SNFs) are positioned at the center of this ecosystem and play an essential role in providing cost efficient facility-based care to patients that have been discharged from hospitals but still require 24-hour in-patient services. SNFs can provide both long-term custodial care and higher value short-term transitional care. The SNF industry is large and growing, with the Centers for Medicare & Medicaid Services (CMS) expecting total industry expenditures to increase from $193.6 billion in 2022 to $283.3 billion in 2031, representing a compound annual growth rate (CAGR) of 4.3%. Based on the number of facilities as reported by CMS, we are one of the largest SNF operators in the United States. We are primarily focused on providing higher value short-term transitional care and believe we are uniquely positioned to capitalize on the current underlying trends within the SNF industry and to capture a growing portion of the expected demand.
We believe that healthcare is local and we operate through a decentralized model, recognizing that each patient, facility, and community is unique. To that end, we believe that our local leaders and employees understand the distinct needs and priorities of their patients, staff, and facilities and are best positioned to make clinical and operational decisions in order to optimize patient outcomes and experience. To facilitate this, each of our facilities operates independently, led by a facility administrator and his or her interdisciplinary team of medical directors, nurses, therapists, specialty consultants, and operators. To assist these local teams in achieving their best clinical and operating potential, we provide each facility with access to PACS Services. PACS Services is a comprehensive suite of offerings, including accounting, finance, human resources, payroll, accounts receivable and payable, legal, and risk management services, as well as a robust suite of technology tools. We operate in a highly regulated industry with stringent regulatory compliance obligations, which requires robust regulatory compliance operations. Failure to operate in compliance with applicable laws and regulations could require significant expenditures and result in regulatory deficiencies and other regulatory penalties. PACS Services functions to support our regulatory compliance obligations across our organization, including through controlled billing and cost reporting practices and legal, risk management, and compliance support. PACS Services also provides teams of regional professionals available as resources to each facility, including a regional vice president (RVP) and regional clinical and non-clinical directors and consultants. We developed PACS Services to be a resource to help reduce administrative burden so that local leadership teams can focus on making decisions that improve the care, well-being, and quality of life of their patients.
We believe that talented local leadership is critical to the success of our model of independently operated, centrally supported facilities. At the facility level, administrators are effectively the chief executive officers, and together with other local licensed professionals, are ultimately responsible for the operations of their respective facilities. We seek to recruit, train, and reward dynamic administrators for our facilities, and rely on them to work with their interdisciplinary teams to implement policies and procedures that are appropriate and effective and result in positive outcomes. We support the delivery of excellent care by building excellent teams. We believe our model attracts high caliber, entrepreneurial professionals who value having considerable autonomy, accountability, and aligned incentives. We provide these professionals with leadership and industry training, guidance, and operational support. Our model is intended to align local leaders’ incentives with facility and organizational success, encouraging them to dedicate themselves to the long-term future of their facilities. To create such alignment, we have developed an administrator compensation structure that prioritizes quality of care and operational and financial performance. Our administrators understand that a well-performing facility is the result of providing quality care in an environment of healing and caring, and one that is appropriately staffed, supplied, and equipped to meet the needs of its patients. This dedicated focus by our administrators and their local teams on patient outcomes drives demand for our services and can ultimately result in higher patient census and profitability. We also seek to provide opportunities for upward career mobility, with many of our administrators being promoted from within our company to roles of increasing levels of responsibility. Our culture of meritocracy and pride of ownership has helped us retain experienced facility administrators as well as RVPs who had average industry experience of 12.1 years, as of December 31, 2023. For the year ended December 31, 2023, we had a voluntary turnover rate of 3.1% among our facility administrators.
Excellence in clinical quality and experience for our patients is at the forefront of our mission. We believe our focus on quality is reflected in our CMS Quality Measures (QM) Star rating, occupancy rate, and skilled mix by nursing patient days (which refers to the number of days our Medicare and managed care patients receive skilled nursing services at SNFs as a percentage of the total number of days that patients from all payor sources receive skilled nursing services at SNFs for any given period). The QM Star rating is a number between 1 and 5 that is assigned to SNFs that participate in Medicare or Medicaid, and is based on an aggregate score across a range of quality reporting program requirements. As of December 31, 2023, our average QM Star rating across all our facilities was 4.1 Stars, compared to the industry average of 3.6 Stars. For the years ended December 31, 2023, 2022 and 2021, our average occupancy rate across our Mature facilities, which we define as facilities purchased more than 36 months prior to the measurement date, was 93%, 92%, and 88%, respectively, compared to the industry average of 76%, 74% and 71%. For the year ended December 31, 2023, our skilled mix by nursing patient days was 32%.
We have historically grown primarily through our disciplined and balanced acquisition strategy. We aim to create value by identifying and acquiring underperforming custodial care facilities and converting them into higher-value short-term transitional care facilities by investing in clinical teams and processes and upgrading technology, equipment, training, staffing, aesthetics, and other aspects of the business. The resources and guidance offered by PACS Services is key to rapid integration of new facilities and provides our local leadership teams with an effective technology infrastructure, support tools, and regional support teams that allow local leadership to focus on operational improvements. Our facilities generally undergo an up to three-year post-acquisition transition period. During this period, we seek to implement best practices designed to realize and sustain the facility’s full potential. These practices often result in significant improvements to clinical quality and other operational metrics, including skilled mix, occupancy rates and payor contracting. We believe the results of our acquisition strategy are demonstrated by our high average QM Star rating and occupancy rate for Mature facilities of 4.2 and 93%, respectively, as of December 31, 2023. As of December 31, 2023, the average QM Star rating and occupancy rate for New facilities, which we define as facilities purchased less than 18 months prior to the measurement date, was 3.9 and 87%, respectively.
Our portfolio of owned and leased properties is strategically located in nine states: Arizona, California, Colorado, Kentucky, Missouri, Nevada, Ohio, South Carolina and Texas. We anticipate that available acquisition opportunities will enable us to further penetrate our reach into these nine states and to enter new states in the future. We believe our current markets are attractive and that the states in which we operate each has unique benefits, such as favorable reimbursement dynamics, high barriers to entry, or population growth of adults aged 65 and older, which is our primary patient demographic. We generally look for similar attributes in new markets that we enter. As of December 31, 2023, we leased 165 facilities, directly owned the real estate at 29 facilities, and owned partial interests in an additional 14 facilities through joint ventures managed by third parties. As we continue to grow, we intend to explore additional purchases of real-estate assets, through purchase options or right-of-first refusals in existing leases, as well as acquisitions and de novo construction of purpose-built facilities.
PACS Group, Inc. is a holding company with operating subsidiaries that provide skilled nursing, senior living, as well as other ancillary businesses. Each facility is structured as an operating subsidiary under one of our two subsidiary holding companies: Providence Group, Inc. and Providence Group NH, LLC. Subsidiaries of Providence Group, Inc. are currently operating subsidiaries (facilities) with mortgage loans insured by the U.S. Department of Housing and Urban Affairs. Subsidiaries of Providence Group NH, LLC are currently operating subsidiaries (facilities) without such mortgage loans.
PACS Group, Inc. and its subsidiaries that are not licensed healthcare providers do not provide healthcare services to patients, residents or any other person, and do not direct or control the provision of services provided. All healthcare services are provided solely by applicable subsidiaries that are licensed healthcare providers, under the direction and control of licensed healthcare professionals in accordance with applicable law.
Our principal executive offices are located at 262 N. University Ave, Farmington, Utah 84025, and our telephone number is (801) 447-9829. Our website address is www.pacs.com.