Wilkes-Barre, Pennsylvania Apr 27, 2026 (Issuewire.com) - Diana Byk, PharmD, RPh, BSPS, MBA, is a hematology-oncology pharmacist serving as a Medical Necessity Pharmacist at Geisinger Wyoming Valley’s Frank M. and Dorothea Henry Cancer Center in Wilkes-Barre, Pennsylvania. In her role, she specializes in the review and authorization of high-cost oncology therapies, including advanced CAR-T treatments, helping ensure that patients receive timely access to clinically appropriate care.
Diana’s work focuses on evaluating complex treatment regimens for medical necessity, adherence to National Comprehensive Cancer Network (NCCN) guidelines, and compliance with payer requirements. Her expertise plays a critical role in reducing barriers to treatment while supporting safe, evidence-based decision-making in oncology care.
Working directly with approximately 10 to 15 infusion patients each day, Diana collaborates closely with interdisciplinary oncology teams to optimize treatment plans, minimize delays in therapy, and address financial toxicity that can accompany cancer treatment. By integrating evidence-based medicine with payer strategy and operational insight, she helps create sustainable pathways for patients to access life-changing therapies.
Known for her patient-centered approach, Diana balances rigorous clinical standards with compassion and clear communication. She is committed to helping patients better understand the therapies available to them and supporting informed decisions throughout their treatment journey.
“I most enjoy helping patients understand the treatments that are right for them, staying engaged in continuous learning and innovation, and educating others to enhance both patient care and healthcare system outcomes,” says Diana.
In addition to her direct patient care responsibilities, Diana is active in professional education, providing in-clinic guidance to pharmacists and healthcare providers and sharing insights through presentations and scholarly work. She is also preparing an upcoming poster presentation for the ASHP Midyear Clinical Meeting.
Diana earned both her Bachelor of Science in Pharmaceutical Sciences and Doctor of Pharmacy (PharmD) from Albany College of Pharmacy and Health Sciences. She also holds an MBA in Healthcare Management from Clarkson University. Further strengthening her oncology expertise, she completed the ASHP Basics of Oncology in Pharmacy Certificate and remains an active member of the American Society of Health-System Pharmacists (ASHP).
Through her dedication to clinical excellence, innovation, and patient advocacy, Diana Byk continues to make a meaningful impact in oncology pharmacy while advancing outcomes for patients and the broader healthcare community.
Learn more about Diana Byk:
Through her America’s Best in Medicine profile, https://americasbestinmedicine.com/connect/diana-byk
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