Northwest Georgia Oncology Centers Wellstar

Dr. Oyola is a native of the country of Colombia where in 1990 he received his medical degree with honors at the Metropolitan University in Barranquilla, Colombia.  In July 1992, he came to the United States to continue his studies in medicine as a resident in internal medicine at St. John’s Episcopal Hospital, University Hospital of the State University of New York in Brooklyn. Dr. Oyola went on to complete his fellowship in Hematology and Oncology at the University of Tennessee in Memphis.

Upon completion of his fellowship in 2001, Dr. Oyola joined Northwest Georgia Oncology Centers, P.C. at Wellstar Kennestone Hospital where he currently evaluates and treats patients while actively participating in Clinical Trials and Research as Co-PI for NGOC clinical trials.

Dr. Oyola is the past chairman Wellstar Health System Cancer Committee and Wellstar Cobb Hospital Credentials Committee. He is currently serving as part of the Wellstar Oncology Cabinet. He is also a member of the American Society of Clinical Oncology, the American Society of Hematology, the Cobb County Medical Society and the Medical Association of Georgia.

Dr. Oyola is board certified in Internal Medicine, Hematology and Medical Oncology.

Dr. Klass was born in Tuttlingen, Germany.  In September 1989, she received her undergraduate degree at Ruhr Unversitaet in Bochum, Germany.  Dr. Klass subsequently received her M.D. at Eberhard Karls Universitaet in Tuebingen, Germany in June of 1994 and her Ph.D. in June of 1996.

In November 1996, Dr. Klass came to the United States to continue her studies in medicine as a Research Fellow in Cell Biology at the University of Alabama at Birmingham. In August 2000, Dr. Klass transferred to Emory University, School of Medicine in Atlanta, where she completed her internal medicine residency and completed her Hematology and Medical Oncology fellowship at the Winship Cancer Institute of Emory University in August 2006.

Upon completion of her fellowship, Dr. Klass worked as a staff physician at the VA Medical Center in Atlanta.  In January  2007, Dr. Klass joined Northwest Georgia Oncology Centers, P.C., at Wellstar Kennestone Hospital where she currently evaluates and treats patients while actively participating in Clinical Trials and Research.

Dr. Klass is board certified in Internal Medicine, Hematology and Medical Oncology.