Radiology Residency Faculty

Keith A Tonkin, MD, Radiology Residency Program Director

Medical Degree: University of Tennessee Health Science Center

Internship: Methodist Hospital, University of Tennessee

Residency: Baptist Memorial Hospital-Memphis

Fellowship: UCLA (diagnostic cardiovascular)

Board Certification: Diagnostic Radiology

Special Interests: Cardiac and pulmonary imaging, MRA and CTA

Adam S. Arthur, M.D., M.P.H.

Medical Degree: University of Virginia School of Medicine

Internship: University of Utah

Residency: University of Utah

Fellowship: Semmes-Murphey Neurologic & Spine Clinic (Interventional Neuroradiology & Cerebrovascular Surgery)

Daniel J. Becker, M.D.

Medical Degree: University of Tennessee College of Medicine

Internship: Oschner Foundation Hospital

Residency: Baptist Memorial Hospital-Memphis

Diplomate: Endovascular Medicine, American Board of Vascular Medicine

Board Certification: Diagnostic Radiology

Andy Craven, M.D.

Medical Degree: University of Alabama School of Medicine

Internship: Physician’s Medical Center Carraway, Birmingham, AL

Residency: Baptist Memorial Hospital-Memphis

Fellowship: Mallinckrodt Institute of Radiology at Washington University in St. Louis, MO (Nuclear Medicine)

Henry Dalsania, M.D. Medical

Degree: St. Louis University School of Medicine

Internship: Chicago, IL

Residency: Hahnemann University Hospital in Philadelphia, PA

Fellowship: Mallinckrodt Institute of Radiology at Washington University in St. Louis, MO (vascular and interventional radiology)

Board Certification: Diagnostic Radiology, CAQ – Vascular and Interventional Radiology

Scott D. Didier, M.D.

Medical Degree: Louisiana State University Health Sciences Center

Residency: Baptist Memorial Hospital-Memphis

Fellowship: University of Alabama-Birmingham (Neuroradiology)

Board Certification: Diagnostic Radiology, CAQ-Neuroradiology

Alan D Eisenberg, M.D.

Medical Degree: Rutgers Medical School

Residency: Vanderbilt University Medical Center

Fellowship: University of California, San Francisco (Neuroradiology)

Board Certification: Diagnostic Radiology, CAQ-Neuroradiology

Andy Ellzey, M.D.

Medical Degree: University of Tennessee College of Medicine

Internship: University of Tennessee College of Medicine (General Surgery)

Residency: Baptist Memorial Hospital-Memphis

Fellowship: University of California-San Diego (Musculoskeletal Radiology)

Board Certification: Diagnostic Radiology

George W Gallimore, M.D.

Medical Degree: University of Tennessee College of Medicine

Residency: University of Tennessee College of Medicine

Fellowship: Baylor University Medical Center (MRI)

Board Certification: Diagnostic Radiology

Dewey D Garner, M.D.

Medical Degree: University of Mississippi School of Medicine

Residency: University of Arkansas for Medical Sciences

Board Certification: Diagnostic Radiology

Shannon M Gulla, M.D.

Medical Degree: University of Tennessee Health Science Center

Internship: University of Tennessee, Memphis

Residency: Baptist Memorial Hospital-Memphis

Fellowship: Wake Forest University Baptist Hospital (Cardiothoracic Imaging)

Randy J Horras, M.D.

Medical Degree: University of Arkansas for Medical Sciences

Internship: University of Alabama-Birmingham, Montgomery Internal Medicine Residency Program

Residency: Baptist Memorial Hospital-Memphis

Fellowship: University of Arkansas for Medical Sciences

Board Certification: Diagnostic Radiology

Paxton Jones, M.D.

Medical Degree: University of Mississippi Medical Center

Residency: Baptist Radiology Residency Program

Fellowship: University of Alabama – Birmingham (Interventional Radiology)

Joe R Krisle, M.D., FACR

Medical Degree: University of Tennessee College of Medicine

Internship: Baptist Memorial Hospital-Memphis

Residency: Baptist Memorial Hospital-Memphis

Board Certification: Diagnostic Radiology

Errol Lewis, MD

Medical Degree: Witwatersrand University

Internship: Baragwanath Hospital, Witwatersrand University

Residency: Pediatric-Hershey Medical Center; Radiology-Temple University Hospital

Fellowship: Thomas Jefferson University Hospital (Ultrasound and CT)

Board Certification: Diagnostic Radiology

Craig L Lipman, M.D.

Medical Degree: Medical College of Georgia, Augusta

Residency: Diagnostic Radiology-MetroHealth Medical Center & SUNY, Buffalo; Nuclear Medicine-SUNY, Buffalo; Internal Medicine -Sisters of Charity Hospital, Buffalo

Fellowship: Emory University Health Care System (Nuclear Medicine)

Board Certification: Diagnostic Radiology, Nuclear Medicine

Special Competence: Nuclear Radiology, Nuclear Cardiology (CCNC)

James E. Machin, M.D.

Medical Degree: Indiana University School of Medicine

Residency: University of Louisville

Fellowship: Vanderbilt University (Diagnostic Ultrasound)

Board Certification: Diagnostic Radiology

H Lynn Magill, M.D., FACR, FACNP

Special Interest: Renal, Cardiac, Pediatric and PET Imaging

Medical Degree: Northwestern University

Internship: Michael Reese Hospital

Residency: Wilford Hall USAF Medical Center

Fellowship: Washington University-Mallinckrodt Institute of Radiology (Pediatric Radiology)

Board Certification: Diagnostic Radiology

Special Competence: Nuclear Radiology, Nuclear Cardiology (CCNC)

Alan J McLeod, M.D.

Medical Degree: University of Kansas School of Medicine

Internship: St. Luke’s Hospital-University of Missouri-Kansas City School of Medicine

Residency: St. Luke’s Hospital-University of Missouri- Kansas City School of Medicine

Fellowship: University of Texas -M.D. Anderson Cancer Center (Body Imaging)

Board Certification: Diagnostic Radiology

S David Morris, M.D.

Medical Degree: East Tennessee State University College of Medicine

Internship: East Tennessee State University College of Medicine

Residency: Medical College of Georgia Hospital & Clinics

Fellowship: Medical College of Georgia Hospital & Clinics (Neuroradiology), Baptist Memorial Hospital-Memphis (Interventional Neuroradiology)

Board Certification: Diagnostic Radiology, CAQ-Neuroradiology

T Craig Nauert, M.D.

Medical Degree: Baylor College of Medicine

Residency: University of Texas, Houston

Fellowship: M.D. Anderson Hospital & Tumor Institute (Neuroradiology, Head and Neck Radiology)

Board Certification: Diagnostic Radiology, CAQ-Neuroradiology

Robert J Optican, M.D.

Medical Degree: Washington University School of Medicine

Internship: St. John’s Mercy Medical Center

Residency: Duke University Medical Center

Fellowship: Cleveland Clinic Foundation (Cardiac Imaging)

Board Certification: Diagnostic Radiology

Virginia S Owen, M.D.

Medical Degree: Louisiana State University Medical Center

Internship: Maryland General Hospital

Residency: Louisiana State University Medical Center and Baptist Memorial Hospital-Memphis

Fellowship: Baptist Memorial Hospital-Memphis (Nuclear Medicine/MRI)

Board Certification: Diagnostic Radiology

Special Competence: Nuclear Medicine

Ranganathan Parthasarathy, M.D.

Medical Degree: SUNY at Buffalo, School of Medicine

Residency: SUNY at Buffalo, School of Medicine

Fellowship: University of Rochester School of Medicine (Cross Sectional Imaging)

Board Certification: Diagnostic Radiology, Nuclear Medicine

W Webster Riggs, Jr, M.D., FACR

Medical Degree: University of Tennessee

Internship: Baptist Hospital, Nashville

Residency: Boston Children’s Hospital, Methodist Hospital, Memphis

Board Certification: Diagnostic Radiology, CAQ-Pediatric Radiology

John Stanfill, M.D.

Medical Degree: Saint Louis University, Saint Louis, Missouri

Residency: Baptist Memorial Hospital, Memphis

Fellowship: University of California – San Diego (Musculoskeletal Radiology)

Board Certification: Diagnostic Radiology

Special Interests: Musculoskeletal Radiology

Paul R Tanner, M.D.

Medical Degree: Meharry Medical College, Nashville

Residency: Baptist Memorial Hospital-Memphis

Board Certification: Diagnostic Radiology

Lloyd R Thomas, Jr, M.D., FACR

Medical Degree: University of Tennessee School of Medicine

Internship: Baptist Memorial Hospital-Memphis

Residency: Baptist Memorial Hospital-Memphis

Board Certification: Diagnostic Radiology

Allen K Tonkin, M.D.

Medical Degree: University of Louisville School of Medicine

Internship: University of Florida, Shands Teaching Hospital

Residency: University of Florida, Shands Teaching Hospital

Fellowship: University of Florida, Shands Teaching Hospital (Nuclear Medicine)

Board Certification: Diagnostic Radiology

Dexter H Witte, M.D.

Medical Degree: University of Tennessee Center for Health Sciences

Internship: Methodist Hospital, Memphis

Residency: Baptist Memorial Hospital-Memphis

Fellowship: University of California-San Diego (Musculoskeletal Radiology)

Board Certification: Diagnostic Radiology

Phillip T Zeni, Jr, MD

Medical Degree: University of Arkansas for Medical Sciences

Residency: University of Arkansas for Medical Sciences

Fellowship: University of Arkansas (Vascular Interventional Radiology)

Board Certification: Diagnostic Radiology, CAQ-Vascular & Interventional Radiology