An Oncologist is a doctor who has special training in diagnosing and treating cancer using chemotherapy, hormonal therapy, biological therapy, and targeted therapy.

Meet Our Oncology Providers

Koyamanagalath Krishnan, MD, MRCP, FACP

Dr. Krishnan is a professor, chair of excellence, and a Director of Trainee Scholarship at ETSU Quillen College of Medicine. His education includes a Bachelor of Medicine and Surgery (MBBS) from Kilpauk Medical College at the University of Madras in Madras, India; Doctorate of Medicine at the Postgraduate Institute of Medical Education and Research in Chandigarh, India; MRCP at the Royal College of Physicians of the United Kingdom in London, UK; Dip Haem-Hematology, Royal postgraduate Medical School in London, UK.

His medical training included a residency of internal medicine at ETSU/QCOM in Johnson City, TN and a fellowship of hematology/oncology at the University of Michigan in Ann Arbor, MI.

Kanishka Chakraborty, MD

Dr. Chakraborty is an assistant professor and Associate Fellowship Program Director at ETSU Quillen College of Medicine. He graduated with a MBBS from Medical College Calcutta in Kolkata India, 2004. His residency was in Internal Medicine at East Tennessee State University in Johnson City, TN. His fellowship was in Medical Oncology at the Department of Internal Medicine, College of Medicine, East Tennessee State University, Johnson City, TN.

Devapiran Jaishankar, MD

Dr. Jaishankar is an associate professor and Fellowship Program Director at ETSU Quillen College of Medicine. He earned a Doctorate of Medicine, MBBS, at Madras Medical College/University of Madras in Madras, India. His medical training included a residency in internal medicine at ETSU/QCOM in Johnson City, TN and a fellowship in medical oncology at ETSU/QCOM.

Spradling, Elnora N., MD

Dr. Spradling is an Assitant Professor with ETSU Oncology division. She is also a team member of The Mountain States Cancer Center. 

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