Dr. Gregory E. Halligan MD is a pediatric hematologist based in Philadelphia, Pennsylvania, specializing in the diagnosis and treatment of blood disorders in children. Located at 3601 A Street, Philadelphia, PA 19140, this medical practice focuses on providing expert care for a range of pediatric hematology conditions, including anemia, clotting disorders, and blood cancers. Dr. Halligan’s approach centers on thorough evaluations and tailored treatment plans to address the unique needs of young patients.
Serving families in the Philadelphia area, Dr. Halligan combines clinical expertise with a patient-focused environment to support children’s health and well-being. The practice offers a range of diagnostic and therapeutic services designed to manage complex hematologic issues, utilizing current medical protocols and technologies. Communication with families is emphasized to ensure understanding and involvement in care decisions, which is essential in pediatric healthcare.
Appointments are available from Monday through Saturday, accommodating busy schedules and providing flexibility for families seeking specialized care. The office can be reached at 215-427-4447 for consultations and follow-up visits. As a dedicated pediatric hematologist, Dr. Halligan contributes to the community by addressing critical blood health concerns in children, offering treatment options that aim to improve outcomes and quality of life.
Located within a trusted healthcare network, Dr. Halligan’s practice maintains a professional setting equipped to support comprehensive pediatric hematology services. The clinic is committed to addressing both common and rare blood disorders, helping children in Philadelphia manage their conditions through expert medical care and ongoing support.


































