Jeffrey L. Killeen, MD

Dr. Jeffrey L. Killeen, MD is a highly respected physician and healthcare leader with decades of experience in pathology and oncology services. He serves as the Medical Director of the Oncology Service Line for Hawai‘i Pacific Health, where he provides clinical and strategic leadership to support high-quality, patient-centered cancer care across the organization’s hospitals and care sites. In this role, he collaborates closely with multidisciplinary teams to strengthen diagnostic excellence, care coordination, and system-wide oncology initiatives.

Dr. Killeen earned his medical degree from Loma Linda University School of Medicine and is board-certified in pathology, with additional expertise in cytopathology. He is affiliated with multiple Hawai‘i Pacific Health hospitals, including Straub Medical Center, Pali Momi Medical Center, Kapi‘olani Medical Center for Women & Children, and Wilcox Medical Center. His extensive background in anatomic and clinical pathology has been instrumental in advancing diagnostic accuracy and supporting comprehensive cancer programs throughout Hawai‘i.

Beyond his clinical and administrative responsibilities, Dr. Killeen is deeply committed to advancing cancer care through collaboration, education, and community engagement. He has played a key role in developing and supporting programs that emphasize prevention, early detection, and integrated treatment across the continuum of care. Recognized for his thoughtful leadership and dedication to excellence, Dr. Killeen continues to contribute to innovative, compassionate oncology services that serve patients and families across the islands.

• Medical School:Loma Linda University School Of Medicine
• Residency:University of Hawaii School of Medicine - Pathology - Anatomic/Pathology - Clinical

• Cytopathology
• Anatomic/Pathology - Clinical

• CAP
• ASCP
• ISGP