Dr Theodossiou earned his medical degree from the University of Athens while he completed his internship and residency at Grant Hospital in Chicago. He also completed a Hematology fellowship at Mount Sinai Medical Center in New York and an Oncology fellowship at the National Cancer Institute, NIH, in Bethesda, Maryland.

Dr Theodossiou was certified in Internal Medicine in 1990 and recertified in 2000. He was certified in Hematology in 1994 and recertified in 2004 and 2014. He was certified in Oncology in 1995 and recertified in 2005 and 2015.

Dr Theodossiou specializes in Hematology/Oncology. He has been on staff at Ochsner Medical since June 2004 and practices at The Gayle and Tom Benson Cancer Center, Ochsner Medical Center, Lieselotte Tansey Breast Center, and Ochsner Baptist. Appointments can be made by calling 504-842-3910 or online.

*Appointment times and availability for established patients may vary within the MyOchsner portal.

Medical Education

National and Kapodistrian University of Athens School of Health Sciences. Medical Department
Field of Study: medicine

Internship

Grant Hospital of Chicago
Field of Study: Categorical - Internal Medicine

Residency

Grant Hospital of Chicago
Field of Study: Internal Medicine

Fellowship

National Cancer Institute
Field of Study: Oncology

Mount Sinai School of Medicine
Field of Study: Hematology