The 20 Best Desmoid Tumor Doctors Near Me in selinsgrove, PA
Find the Top Desmoid Tumor Experts and Specialists
Geisinger Lewisburg - Hematology And Oncology
Dr. O’Brien is a board-certified and fellowship-trained cancer physician. His clinical interests include lung cancer, lymphoma, general hematology, and gastrointestinal malignancies, especially colon cancer. Dr. O'Brien attended Georgetown University, where he received his medical degree, and completed his residency at Hahnemann University Hospital. He completed a fellowship in medical oncology at Milton S. Hershey Medical Center. Dr. O'Brien is certified by the American Board of Internal Medicine in internal medicine and medical oncology. Dr. Obrien is rated as an Experienced provider by MediFind in the treatment of Desmoid Tumor. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Thrombocytopenia, and Chronic Lymphocytic Leukemia (CLL). Dr. Obrien is board certified in The American Board Of Internal Medicine In Internal Medicine And Medical Oncology. Dr. Obrien is currently accepting new patients.
Last Updated: 09/26/2026
