
APEx accreditation is awarded to radiation oncology practices that demonstrate compliance with rigorous standards across patient safety, quality management, treatment planning, staffing, policies, and continuous improvement initiatives. The achievement of a third consecutive APEx accreditation reflects Virginia Cancer Specialists’ longstanding commitment to clinical excellence, quality outcomes, and ongoing commitment to delivering the highest standards of care.
In addition, Virginia Cancer Specialists is among the practices recognized through ASTRO’s new Radiopharmaceutical Therapy Accreditation program, which establishes specialized standards for the safe and effective delivery of advanced radiopharmaceutical treatments. These therapies represent a rapidly evolving area of cancer treatment that uses targeted radioactive medicines to precisely attack cancer cells while minimizing impact on healthy tissue.
“As cancer treatments continue to evolve, maintaining accreditation ensures that our clinical programs, technology, and safety processes evolve as well. These accreditations reflect the dedication, expertise, and collaboration of our entire team,” said Gregory Sibley, MD, Radiation Oncologist who sees patients in the Fairfax location. “It is an important validation of our team’s commitment to excellence and helps patients feel confident that they are receiving care from a practice dedicated to delivering the safest and most advanced treatments available.”
The accreditation process includes a comprehensive review of clinical operations, quality assurance measures, patient safety protocols, staff qualifications, and continuous performance improvement efforts.
“Radiation oncology requires an extraordinary level of expertise, coordination, and attention to detail. Maintaining APEx accreditation demonstrates our dedication to meeting nationally recognized standards and undergoing rigorous external review. It reinforces our commitment to providing safe, evidence-based care while ensuring every patient receives treatment that meets the highest level of quality and accountability,” shared Harold Agbahiwe, MD, Radiation Oncologist who sees patients in the Fairfax location. “Accreditation is far more than a designation. It reflects a continual commitment to delivering the highest standards of quality, safety, and precision in every aspect of radiation oncology care. For our patients and their families, it provides reassurance that they are receiving treatment in an environment where excellence is measured, validated, and continuously improved.”
“Maintaining the highest standards in radiation oncology requires an ongoing commitment. Earning these accreditations reflects the extensive safeguards, specialized expertise, and multidisciplinary collaboration required to provide these innovative treatments,” said Youssef Charara, PhD, Chief Medical Physicist at Virginia Cancer Specialists. “This recognition validates the processes, expertise, and culture of quality that our teams have built and maintained to ensure the safest and most effective care possible for our patients.”
As Northern Virginia’s leading community oncology practice, Virginia Cancer Specialists continues to invest in advanced treatment technologies, research, and multidisciplinary care models that allow patients to receive world-class cancer care close to home.
About Virginia Cancer Specialists
Virginia Cancer Specialists, the largest private cancer practice in Northern Virginia, has been recognized as the #1 physician practice in Virginia in cancer care and across all medical specialties for 3 years running (2024-2026), as recognized by Castle Connolly Top Doctors. It features a world-class treatment team offering access to the most current treatment protocols fighting cancer and blood diseases. It’s also home to the Virginia Cancer Specialists Research Institute and the largest clinical trials portfolio in the Mid-Atlantic – including a dedicated research facility for Phase I clinical trials and later-stage trials through a joint venture with Fairfax’s NEXT Oncology. The practice offers medical oncology, radiation oncology, musculoskeletal tumor surgery, breast surgery, thoracic surgery, genetic counseling, support cancer care, financial counseling, onsite laboratory and pharmacy, language services, telehealth, nurse advice line, and much more. Virginia Cancer Specialists is part of The US Oncology Network. This collaboration unites the practice with more than 600 sites of care across 31 states, 2,700 affiliated physicians, and research and data from thousands of patients with cancer in clinical trials across the country. Its 2024 partnership with the renowned Sara Cannon Research Institute opens the door to hundreds of additional clinical studies, increases care to more patients, and has played a role in more than 100 FDA-approved cancer therapies. For more information about The US Oncology Network, which is supported by McKesson, a trusted name and global leader in healthcare for over 180 years, visit USOncology.com. For more information about Virginia Cancer Specialists, visit: VirginiaCancerSpecialists.com
Media Contact
Jean Dzierzak
Jean.Dzierzak@USOncology.com






