Our Clinical Team

Clinicians

Attending Physicians

Eric Shinohara, MD, MSCI

Ingram Professor and Chair
Sean All, MD

Assistant Professor
Khush Aujla, MD

Assistant Professor
Anuradha (Bapsi) Chakravarthy, MD, FASTRO

Professor
Anthony J Cmelak, MD

Professor

Director of Head and Neck Radiotherapy

Director of Functional Radiosurgery
Dakim Gaines, MD, PhD

Assistant Professor
Corbin R Johnson, MD

Assistant Professor

Regional Medical Director
Austin Kirschner, MD, PhD

Associate Professor
D. Nathan Kim, MD, PhD

Associate Professor
Zachary Kohutek, MD, PhD

Assistant Professor

Assistant Program Director

Medical Student Clerkship Director
Natalie A Lockney, MD

Associate Professor

Residency Program Director
Leo Luo, MD

Assistant Professor
Kenneth J Niermann, MD

Assistant Professor
Evan Osmundson, MD, PhD

Associate Professor

Medical Director
Ashwin Shinde, MD

Assistant Professor
Ryan Whitaker, MD, PhD

Assistant Professor
Karen M Winkfield, MD, PhD

Professor of Radiation Oncology

Ingram Professor of Cancer Research

Executive Director, Meharry-Vanderbilt Alliance

Secondary Faculty

Lola Chambless, MD, FAANS

Associate Professor of Neurological Surgery

Advanced Practice Providers

Jennifer Bagwell, MSN, BSN

Nurse Practitioner

Vanderbilt-Ingram Cancer Center at Tennova Healthcare – Clarksville
Theresa Cressman, MSN, ACNP-BC

Nurse Practitioner, Assistant in Radiation Oncology

Radiation Oncology Residents

Kaleb Darrow, MD

Chief Resident '25
Kyra McComas, MD

Chief Resident '25
Ha Pham, MD, PhD

Chief Resident '25
Hayden Byrd, M.D.

Resident '26
Jayden Curry Gracie, M.D.

Resident '26
Michael Kessler, MD

Resident '27
Gustavo Sosa, MD

Resident '27
Betsy Crosswhite, MD

Resident '28
Callie Dacyczyn, MD

Resident '28
David Gannon, MD

Resident '28