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Department and Faculty

Two members of the Diagnostic Radiology Residency program in Rochester, Minnesota, performed a procedure on a patient.

Radiologists and staff in the Department of Radiology at Mayo Clinic's campus in Rochester, Minnesota, provide the highest quality diagnostic and interventional imaging services in a caring and efficient manner, while sustaining outstanding programs in research and education.

This 115-year-old department — one of the first of its kind — is fully integrated with all the medical services available throughout Mayo Clinic. More than 180 radiologists and physicists cooperate with 1,100 support staff members to provide diagnostic and therapeutic radiology services to patients.

Facilities

Experts in all areas of radiology consult with specialists in other departments to provide the best care to every patient every day. Radiologists work with state-of-the-art equipment, assisted by skilled technologists and nurses, to perform and interpret more than 1 million examinations yearly.

The department's equipment includes:

  • 37 clinical magnetic resonance imaging (MRI) scanners, including 23 3-tesla magnets, plus an additional three dedicated research magnets
  • 23 clinical computed tomography (CT) scanners, including 15 dual-source scanners, plus one additional dedicated research CT scanner
  • 48 ultrasound machines
  • 7 interventional suites

The nuclear radiology practice includes:

  • 15 nuclear medicine cameras
  • 6 positron emission tomography/computed tomography (PET/CT) scanners
  • 2 cardiac PET scanners
  • 1 PET/MRI scanner
  • 2 cyclotrons

From the program directors

Welcome to the Diagnostic Radiology Residency at Mayo Clinic! We are thrilled to introduce you to one of the best radiology training programs in the nation. Our strengths lie in the diverse, high volume pathology from patients seeking care from all over the world, early and robust hands-on procedural experience, and graduated autonomy that prepares you to transition into the practice of your choice.

Mayo Clinic’s core value that the needs of the patient come first, paired with the highest standards of professionalism and integrity, give us true purpose in our “three shields” of clinical practice, education, and research. All of this in the thriving, affordable, and friendly city of Rochester, Minnesota, allowing for an incredible quality of life!

You will work one-on-one with staff who are leaders in radiology and develop lasting relationships with staff and co-residents that will carry throughout your career. Resources for you to launch your career are innumerable and include mentorship, world-class research, opportunities to educate, and development of leadership skills.

We are proud graduates of this program and can attest to the excellent training we received and the commitment to resident education within our department. Your years of residency are the most formative of your medical training, and you will receive the highest quality education at Mayo Clinic in Rochester, Minnesota, that will open doors in your career for years to come.

Annie Packard, M.D., Diagnostic Radiology Residency Program Director
Chris Gu, M.D., Diagnostic Radiology Residency Associate Program Director
Julie Guerin, M.D., Diagnostic Radiology Residency Associate Program Director
Nate Hull, M.D., Diagnostic Radiology Residency Associate Program Director

Pictured left-to-right: Drs. Guerin, Hull, Packard, and Gu

Outdoor formal group portrait of four people from the Diagnostic Radiology Residency at Mayo Clinic in Rochester, Minnesota.

Faculty

One of the greatest advantages to training at Mayo Clinic is the approachability, accessibility, and collegiality of the faculty in our department.

In addition to caring for patients in clinical practice, Mayo Clinic's faculty is committed to teaching and facilitating the growth of medical knowledge. Many of our faculty members have published and lectured extensively and are highly regarded in their fields.

You work closely with these individuals throughout your training in the Diagnostic Radiology Residency.

Daniel Adamo, M.D.

Daniel Adamo, M.D.

Assistant Professor of Radiology
Interventional CT

Medical school: University of Illinois College of Medicine, Chicago, IL
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Cross-Sectional Imaging, Mayo Clinic, Rochester, MN

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Tara Anderson, M.D.

Tara Anderson, M.D.

Assistant Professor of Radiology
Breast Imaging

Medical school: Creighton University School of Medicine, Omaha, NE
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Mammography/Women’s Imaging, Mayo Clinic, Rochester, MN

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Philip Araoz, M.D.

Philip Araoz, M.D.

Professor of Radiology
Cardiovascular

Medical school: University of Washington, Seattle, WA
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Cardiovascular Research, University of California, San Francisco, CA

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John Benson, M.D.

John Benson, M.D.

Associate Professor of Radiology
Neuroradiology

Medical school: University of Minnesota Medical School, Minneapolis, MN
Residency: University of Minnesota, Minneapolis, MN
Fellowship: Neuroradiology, Mayo Clinic, Rochester, MN

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Headshot of Larry Binkovitz, M.D.

Larry Binkovitz, M.D.

Professor of Radiology
Pediatric Radiology

Medical School: Ohio State University College of Medicine
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Nuclear Radiology, Mayo Clinic, Rochester, MN

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James Boyum, M.D.

James Boyum, M.D.

Assistant Professor of Radiology
Emergency and Hospital Radiology

Medical school: University of Minnesota Medical School, Minneapolis, MN
Residency: University of Wisconsin Hospitals and Clinics, Madison, WI
Fellowship: Cross-Sectional Imaging, Mayo Clinic, Rochester, MN

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Candice Bookwalter, M.D., Ph.D.

Candice Bookwalter, M.D., Ph.D.

Assistant Professor of Radiology
Abdominal Imaging

Medical school: Case Western Reserve University, Cleveland, OH
Residency: Diagnostic Radiology, Case Western Reserve University, Cleveland, OH
Fellowship: Clinical MRI Fellowship, University of Wisconsin, Madison, WI

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Alexander Bratt, M.D.

Alexander Bratt, M.D.

Assistant Professor of Radiology
Informatics

Medical school: Columbia University College of Physicians and Surgeons, New York City, NY
Residency: New York-Presbyterian/Weill Cornell Medical Center, New York City, NY
Fellowship: Thoracic Radiology, Stanford University Medical Center, Stanford, CA

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Headshot of Livia Maria Frota Lima, M.D.

Livia Frota Lima, M.D.

Senior Associate Consultant
Nuclear Radiology

Medical School: Federal University of Ceara, Fortaleza - Ceara, Brazil 
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Cardiothoracic, Mayo Clinic, Rochester, MN

Heidi Edmonson, Ph.D.

Heidi Edmonson, Ph.D.

Assistant Professor of Medical Physics
Physics

Medical school: Mayo Clinic College of Medicine, Rochester, MN

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Kristina Flicek, M.D.

Kristina Flicek, M.D.

Senior Associate Consultant
GI Fluoro Radiology

Medical school: College of Medicine, University of Arizona, Tucson, AZ
Residency: St. Joseph Hospital, Creighton University School of Medicine, Phoenix, AZ
Fellowship: Body Imaging, Mayo Clinic, Phoenix, AZ

Ajay Madhavan, M.D.

Ajay Madhavan, M.D.

Assistant Professor of Radiology
Research

Medical school: University of Minnesota, Minneapolis, MN
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Neuroradiology, Mayo Clinic, Rochester, MN

Ahmad Parvinian, M.D.

Ahmad Parvinian, M.D.

Assistant Professor of Radiology
Ultrasound

Medical school: University of Illinois at Chicago, Chicago, IL
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Body Imaging and Intervention, Mayo Clinic, Rochester, MN

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Nicholas Rhodes, M.D.

Nicholas Rhodes, M.D.

Assistant Professor of Radiology
Musculoskeletal

Medical school: Washington University School of Medicine, St. Louis, MO
Residency: Mallinckrodt Institute of Radiology, Washington University in St. Louis School of Medicine, St. Louis, MO
Fellowship: Musculoskeletal Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, St. Louis, MO

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Headshot of Garima Suman, M.D.

Garima Suman, M.D.

Senior Associate Consultant
GU Radiology

Medical School: Nalanda Medical College, Patna, India
Residency: Tata Memorial Hospital, Mumbai, India
Fellowship: Nuclear Radiology, Cardiothoracic Imaging, Abdominal Imaging, Mayo Clinic, Rochester, MN

Edwin Takahashi, M.D.

Edwin Takahashi, M.D.

Assistant Professor of Radiology
Vascular/Interventional Radiology

Medical school: John A. Burns University of Hawaii, Honolulu, HI
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Interventional Radiology, Mayo Clinic, Rochester, MN

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Lara Walkoff, M.D.

Lara Walkoff, M.D.

Assistant Professor of Radiology
Thoracic

Medical school: The George Washington University, Washington, DC
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Thoracic and Cardiac Imaging, Massachusetts General Hospital, Boston, Massachusetts

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Christopher Welle, M.D.

Christopher Welle, M.D.

Assistant Professor of Radiology
GI CT Radiology

Medical school: Creighton University School of Medicine, Omaha, NE
Residency: Diagnostic Radiology, Mayo Clinic, Rochester, MN
Fellowship: Cross-Sectional Imaging, Mayo Clinic, Rochester, MN

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Advisers and mentors

Faculty advisers are available to provide comprehensive educational advice and personal support. You meet with your adviser periodically throughout the program to review your progress and career goals, and ensure that your educational needs are being met. Your adviser may serve as a contact point for introducing you and your family to Rochester, Minnesota, and the Mayo Clinic system.

Visiting professors

Many prominent professors visit Mayo Clinic each year. They present their work during lectures, participate in hospital rounds, and have informal discussions with trainees. You're encouraged to take full advantage of these educational opportunities.