Attention GCI Patients — Effective October 6, 2025, the GCI Oak Lawn location will be closed. All patients of GCI Oak Lawn will be seen at our Chicago Ridge location at 10604 Southwest Highway, Suite 109, Chicago Ridge, IL 60415.

Physicians

Specialty: Colorectal Cancer

Vasia Ahmed, MD

Medical Oncology, Hematology

Bassem Chaar, MD

Medical Oncology, Hematology

Rami Haddad, MD, FACP

Medical Oncology, Hematology

Amar Hamad, MD, MBA

Medical Oncology, Hematology

M. Mufaddal Hamadeh, MD

Medical Oncology, Hematology

H. Jason Kang, MD

Radiation Oncology

Ronald Myint, MD

Medical Oncology, Hematology

Jayanthi Ramadurai, MD

Medical Oncology, Hematology

Suby Rao, MD

Medical Oncology, Hematology

Shaina Rozell, MD, MPH

Medical Oncology, Hematology

Wasif Shirazi, MD

Medical Oncology, Hematology

Ghassan Zalzaleh, MD, MBA

Medical Oncology, Hematology