Dr. William P. Mckay

Leonel Kahn, MD is a board-certified radiation oncologist with Peachtree Radiation Oncology Services. He joined the group in 2018 and practices at Piedmont Kennesaw, Piedmont Atlanta Hospital, and Piedmont West. He practices general radiation oncology and has extensive experience with modern radiation oncology techniques (intensity modulated radiation therapy, image guided radiation therapy, and stereotactic body radiotherapy). He has a special interest in gastrointestinal, breast, and central nervous system malignancies. He has additional training in stereotactic radiosurgery (Gamma Knife and linear accelerator-based radiosurgery) for malignant and benign conditions.Dr. Kahn is an enthusiastic and committed physician. His skill sets are particularly suited to bridge the gap between the systematic processes of treatment planning and delivery versus the warmhearted nature of caring for cancer patients. He is a critical thinker and enjoys the process of assimilating scientific evidence with patient-specific factors to determine the best treatment decision. His experience has refined his ability to make decisive choices in the face of complex cancer care. He also establishes deep bonds with his patients, grounded in compassion and empathy. He thrives on the demanding nature of the profession in terms of learning and updating his knowledge base as the field constantly evolves. Importantly, radiation oncology is a field in which he feels endlessly honored and humbled to work.In addition to his clinical responsibilities, he is a voting member of the Piedmont Healthcare Institutional Review Board. He also has comprehensive training in clinical trial enrollment to national cooperative group protocols. He enjoys discussing potential clinical trials with patients, if it is in line with their wishes.He attended Tulane University in New Orleans, Louisiana, where he received a Bachelor of Science in Neuroscience (Summa Cum Laude). He then earned his medical degree from Oregon Health and Science University in Portland, Oregon. For his graduate medical education, he performed an internship at Legacy Health System in Portland, Oregon and completed a radiation oncology residency at the University of California, Davis Comprehensive Cancer Center in Sacramento, California. He served as chief radiation oncology resident during his final year. Dr. Kahn was born in Louisiana, but raised in Eugene, Oregon. Walking his corgi dog and cooking are the two ways he spends most of his weekends. He is also very happily married. Dr. Kahn is rated as a Distinguished provider by MediFind in the treatment of Glioma. His top areas of expertise are Anal Cancer, Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), and Pleuropulmonary Blastoma.

Adam Nowlan, MD is a board-certified radiation oncologist, currently practicing and serving as Medical Director of the radiation oncology department at Piedmont Hospital in Atlanta, GA.Dr. Nowlan is very active in clinical research activities. He previously chaired the Piedmont Healthcare Institutional Review Board and is an active member of the Piedmont Hospital Oncology Scientific Review Committee.Dr. Nowlan has been named to sit on the recently convened Piedmont Healthcare Oncology Clinical Governance Committee, responsible for executive guidance of system initiatives.Dr. Nowlan serves as the Piedmont Healthcare principal investigator for the Radiation Therapy Oncology Group clinical trials that are open at Piedmont Hospital locations in Buckhead, Atlanta and Fayette.Dr. Nowlan is a member of the clinical trials team at the recently launched Piedmont Hospital Brain Tumor Center.Throughout his medical experience, Dr. Nowlan's work has appeared in several publications, and he has engaged in research projects and presentations on a wide variety of relevant radiation oncology subjects.In his spare time, Dr. Nowlan enjoys skiing, watching roller derby and spending time with his wife and family. Dr. Nowlan is rated as a Distinguished provider by MediFind in the treatment of Glioma. His top areas of expertise are Posterior Fossa Tumor, Astrocytoma, Lung Cancer, Pleuropulmonary Blastoma, and Awake Craniotomy.

Robert Taylor is a Hematologist and a Nuclear Medicine provider in Kennesaw, Georgia. Dr. Taylor is rated as an Advanced provider by MediFind in the treatment of Glioma. His top areas of expertise are Pleuropulmonary Blastoma, Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), and Squamous Cell Lung Carcinoma. Dr. Taylor is currently accepting new patients.