Combined practice creates one of the largest spine and neurosurgery platforms in the Southwest 


Phoenix, AZ (October 10, 2023) – Arizona Neurosurgery and Spine Specialists (ANSS), a group of 6 highly skilled neurosurgeons and 4  advanced practice providers (APPs), has announced that they have partnered with Healthcare Outcomes Performance Company (HOPCo).  As part of this partnership,  ANSS will officially become a part of The CORE Institute, a comprehensive musculoskeletal practice serving Arizona since 2005.  ANSS will begin operating as The CORE Institute as of October 10, 2023.  With the addition of the six neurosurgeons, The CORE Institute will now have over 50 spine and neurosurgery providers across 22 locations throughout Arizona.  The physicians joining The CORE Institute include: 

Healthcare Outcomes Performance Company (HOPCo) is the national leader in musculoskeletal practice and clinical outcomes management solutions and the country’s largest orthopedic value-based care organization.  This partnership will continue to develop unique clinically integrated partnerships with other leading musculoskeletal practices, physicians, health systems, and payors throughout the region.    

The neurosurgeons at The CORE Institute offer the latest surgical techniques and evidence-based guidelines to treat neurosurgical disease processes.  They specialize in minimally invasive surgical techniques, spine surgery, neurotrauma and cerebrovascular disorders.   “We are truly excited to join such a well-respected and fully integrated clinical practice,” said Dr. Byron Willis.  “By becoming a part of The CORE Institute, we can now offer patients the full gamut of orthopedic, spine, neurology and physical therapy services.” 

The CORE Institute has been named the #1 orthopedic practice for 11 consecutive years by Ranking Arizona as well as the #1 spine practice for 2 consecutive years.   “The addition of these distinguished neurosurgeons and APPs is a great compliment to our existing integrated spine program and adds a new subspecialty to our team,” said Dr. Mark Campbell, Arizona Market President of The CORE Institute.  “This will also allow us to increase access to care for patients, and with more than 50 dedicated spine and neurosurgery providers, it will be one of the region’s largest fully integrated spine health platforms.”  

ANSS is the newest addition to HOPCo’s growing national musculoskeletal market transformation platform and the fourth HOPCo partnership in Arizona.  In the last 12 months, HOPCo has also entered into multiple practice partnerships in Pennsylvania, Florida, Wisconsin, and Nevada, and additional partnerships in Michigan.  Additionally, HOPCo has partnered with health systems and physician practices in more than 30 states and continues to partner with payors across the US in advanced value-based care programs.  These value-based care programs include HOPCo’s statewide musculoskeletal clinically integrated networks in Florida and Arizona, with Arizona being the only MSK-focused clinically integrated network in the country that is URAC-accredited. 

About The CORE Institute 

The CORE Institute was founded to fulfill a vision of excellence in patient care encompassing the entire spectrum of orthopedic and neurosciences care.  The CORE Institute delivers integrated, comprehensive musculoskeletal and neurological care.  It is built upon a foundation of pioneering research, academics, community service and a passion for excellence in patient care.  The organization continues to be a leader in payor-reform initiatives, and it is at the forefront of systems-based quality programs, which drive value and improve the quality of patient care.  For more information, visit 

About Healthcare Outcomes Performance Company (HOPCo)  

Healthcare Outcomes Performance Company (HOPCo) is the national leader of integrated musculoskeletal value-based health outcomes management, practice management and health system service line management.  This includes comprehensive expertise across all MSK specialties, including orthopedics, spine, neurosurgery, hand, pain management, rehabilitation and neurology.  HOPCo’s integrated care, analytics, and facilities development and management platforms have proven to increase the quality of patient care while reliably reducing the total cost of care across the care continuum for practices, health systems and payors alike.  HOPCo’s affiliated payors, practices, and health systems successfully participate in highly efficient value-based contracting (bundled payments, chronic episodes of care initiatives, population health programs, and other advanced risk-based arrangements) utilizing HOPCo’s proprietary platforms, IT solutions, integrated analytics, and evidence-based comprehensive care pathways.  Visit to learn more.  

For media inquiries, please contact: 

Daniel Goldberg
Sr. Vice President of Marketing and Communications
Healthcare Outcomes Performance Company (HOPCo)