Ochsner Health is a system that delivers health to the people of Louisiana, Mississippi and the Gulf South with a mission to Serve, Heal, Lead, Educate and Innovate.
Northshore Faculty - Radiology and Diagnostic Imaging Faculty
Dr. Evan Liokis practices diagnostic radiology at Ochsner Health. He earned his medical degree from Louisiana State University Health Sciences Center in Shreveport, Louisiana, and he completed his internship and radiology residency at Ochsner Medical Center. He then went on to complete a musculoskeletal radiology fellowship at the University of Virginia at Charlottesville, Virginia, where he served as a clinical instructor. Dr. Liokis is board certified in diagnostic radiology and has a particular interest in sports imaging. Dr. Liokis has been a member of the Ochsner Radiology staff since 2007, and he currently serves as the Radiology site lead at Ochsner in Covington, Louisiana.
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Dr. Mason earned her medical degree from Louisiana State University School of Medicine in New Orleans. She completed radiology residency at Emory University in Atlanta, where she served as Chief Resident. She went on to complete a breast imaging fellowship at Emory University as well. Dr. Mason is board certified in diagnostic radiology. She currently continues to practice general diagnostic radiology with expertise in breast imaging which includes mammography, ultrasound, MRI and image-guided procedures.
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Dr. Richard Mankinen earned his undergraduate degree from the University of North Carolina in Chapel Hill and his medical degree from the University of North Carolina in Chapel Hill. Dr. Mankinen completed his residency in radiology at Vanderbilt University Medical Center in Nashville, TN. He completed his fellowship in MRI at Ochsner Medical Center.
Dr. Mankinen is board certified in Diagnostic Radiology. He is a member of the American College of Radiology, Radiological Society of North America, and the American Roentgen Ray Society.
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Dr. Laurie Bishop works as a diagnostic radiologist at Ochsner Health. She earned her medical degree from the University of Mississippi in Jackson. She completed her internship in internal medicine and a diagnostic radiology residency at Ochsner. Dr. Bishop is board certified in diagnostic radiology. She has been on the Ochsner staff since 2010.
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David Donaldson, MD, specializes in radiology at Ochsner Health. A Louisiana native, Dr. Donaldson earned his medical degree at Louisiana State University School of Medicine in Shreveport, Louisiana, in 1980. He completed an internal medicine internship at Wilford Hall Medical Center - Lackland Air Force Base in San Antonio, Texas, and then served in the U.S. Air Force as a family physician until 1986. Dr. Donaldson performed his residency in diagnostic radiology at LSU Medical Center- Charity Hospital of New Orleans and was board-certified in 1990. He has practiced since 1990 in Slidell, Louisiana, and joined Ochsner in 2010.
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Dr. Joseph Hajjar graduated summa cum laude from Tulane University and attended the University of Florida College of Medicine. He completed a Diagnostic Radiology residency at the University of Texas Southwestern Medical Center at Dallas (Parkland Hospital) in 1996 and an additional year of fellowship training in diagnostic imaging (MRI, CT, Mammography and Ultrasound). Dr. Hajjar is board certified in Radiology and has been on staff at Ochsner since 2004. Dr. Hajjar also serves as Associate Chief Medical Information Office for Imaging Informatics. He served in various North Shore Physician Leadership roles as well as Vice Chair of Radiology for Ochsner Health.
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Dr. Knox earned his medical degree from the University of South Alabama College of Medicine in Mobile, Alabama. He completed his internship in Internal Medicine at Ochsner Medical Center and his residency in Radiology at Ochsner Medical Center. He also completed fellowship training in MRI at Ochsner Medical Center. Dr. Knox is board certified by the American Board of Radiology and has been on staff since 2007.
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Dr. Richard Orange practices diagnostic radiology at Ochsner Health. Dr. Orange received his medical degree from the University of Michigan Medical School. He then attended a transitional year at Resurrection Medical Center in Chicago. Dr. Orange completed his residency training at Emory University Hospital in Atlanta.
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Dr. Matthew Proctor received his medical degree from the University of Miami Miller School of Medicine. Following this, he completed his internship and residency at Ochsner Clinic Foundation. He completed his fellowship at Wake Forest University.
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Specialties
Dr. Mary Beth Lobrano practices diagnostic radiology at Ochsner Health. She graduated summa cum laude from the University of Texas at Austin in 1990, with a degree in anthropology/archaeology. She went on to become the valedictorian of the Tulane University School of Medicine class of 1994. She served as chief resident during her residency in Diagnostic Radiology at Louisiana State University Health Sciences Center in New Orleans. After completing her residency in 1998, Lobrano spent two years as an ER radiologist at Charity Hospital New Orleans, before entering private practice. She has been part of the Ochsner staff since 2020, specializing in breast imaging. In her spare time, she enjoys cycling, hiking and mountain climbing.
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Dr. Dee Malkerneker graduated Magna Cum Laude from the University of California, Los Angeles with a Bachelor of Arts degree in Psychology. She received her doctor of medicine degree from Vanderbilt University School of Medicine. Dr. Malkerneker completed a surgical internship at Vanderbilt University School of Medicine and went on to also complete a residency in both Nuclear Medicine and Radiology from Vanderbilt. She then completed a fellowship in Interventional Radiology at UT Southwestern Medical Center.
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Dr. Ryan Durel practices Diagnostic Radiology and Neuroradiology at Ochsner Health.
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Dr. Ryan Hebert is a radiologist specializing in neuroradiology at Ochsner Health. He completed his undergraduate studies at Louisiana State University in Baton Rouge, Louisiana, where he majored in biological sciences with a minor in chemistry. He went on to complete his medical degree at Louisiana State University Health Sciences Center in New Orleans, graduating in 2013. Dr. Hebert performed his internship in internal medicine and residency in radiology at Ochsner Clinic Foundation in 2018. He went on to complete a fellowship in neuroradiology at Mallinckrodt Institute of Radiology through Washington University in St. Louis, Missouri. Dr. Hebert is a member of the American College of Radiology and the American Society of Neuroradiology.
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Dr. Michele Lajaunie completed her undergraduate studies with a Bachelor of Science in microbiology from Louisiana State University. She attended medical school at Tulane University School of Medicine and completed an internship in internal medicine at the University of Nevada School of Medicine in Reno, NV.
Dr. Lajaunie performed her residency at Presbyterian/St. Luke's Diagnostic Radiology Residency Program where she was the Chief Resident. She completed a two-year fellowship in neuroradiology from the University of Colorado Health Sciences Center in Denver, CO where she earned a Certificate of Added Qualifications (CAQ), with subsequent Maintenace of Certification (MOC), in neuroradiology.
Dr. Lajuanie is board certified by the American Board of Radiology.
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Dr. Nicholas Foto received his medical degree from Louisiana State University School of Medicine in New Orleans in 2016. He is board-certified by the American Board of Radiology. Dr. Foto performs Diagnostic Radiology and sees patients at Ochsner Medical Center.
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Dr. Dee Malkerneker graduated Magna Cum Laude from the University of California, Los Angeles with a Bachelor of Arts degree in Psychology. She received her doctor of medicine degree from Vanderbilt University School of Medicine. Dr. Malkerneker completed a surgical internship at Vanderbilt University School of Medicine and went on to also complete a residency in both Nuclear Medicine and Radiology from Vanderbilt. She then completed a fellowship in Interventional Radiology at UT Southwestern Medical Center.
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