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VA Charleston health care

This page is to introduce our Diagnostic Imaging team

Having joined the VA in 2013, Dr. Dani provides radiology services to Veterans in RHJ hospital and CBOC's in Myrtle Beach, North Charleston and Savannah, GA.&nbsp;&nbsp;&nbsp;In this role, she is responsible for providing high quality interpretations of a wide variety of imaging scans. She is passionate about providing advanced imaging for veterans, such as prostate imaging, women's imaging and cardiac imaging, with the goal to be an integral part of the veterans’ care provided within the VA system, in order to achieve continuity of care.&nbsp;&nbsp;&nbsp;Dr. Dani earned a Medical Doctor degree from University Medical Center of Tirana "Mother Teresa”, followed by Radiology residency at MUSC. She completed an Abdominal Imaging and Interventions fellowship at Beth Israel Deaconess Medical Center, Boston, Massachusetts/Harvard School of Medicine.&nbsp;&nbsp;&nbsp;Outside of work, she enjoys spending time with family and friends.&nbsp;&nbsp;POST DOCTORAL EDUCATION&nbsp;&nbsp;• Fellowship in Abdominal Imaging and Interventions 7/2012-6/2013&nbsp;Beth Israel Deaconess Medical Center, Boston, Massachusetts/Harvard School of Medicine.&nbsp;&nbsp;• Residency in Diagnostic Radiology 7/2008-6/2012&nbsp;Medical University of South Carolina, Charleston, SC&nbsp;&nbsp;• Internship in General Surgery 7/2007-6/2008&nbsp;Department of Surgery, Medical University of South Carolina, Charleston, SC&nbsp;&nbsp;&nbsp;Certifications: American Board of Radiology – Diagnostic Radiology 06/2012&nbsp;

Dr. Dani is a body fellowship trained radiologist with the Ralph H. Johnson VA Health Care System.

Medical School: University of Kentucky Residency: Mallinckrodt Institute of Radiology - St. Louis, Missouri Fellowship: &nbsp;Nuclear Medicine; Thoracoabdominal Imaging with Advanced Body MRI - St. Louis; Minneapolis Board Certification: YesIn addition to Body Imaging, I am the Director of Cardiac Imaging and Cancer Committee Representative for Radiology.&nbsp;I completed a Diagnostic Radiology residency and Nuclear Medicine fellowship at Mallinckrodt Institute of Radiology in St. Louis. After working in private practice near Chicago for 13 years I completed a mid-career fellowship in Thoracoabdominal Imaging and Advanced Body MRI at the University of Minnesota before coming to the RHJ VAMC.My interests include Oncology, Cardiac Imaging, and Complex Body cases and the technical aspects of imaging. I enjoy a multidisciplinary approach to care. Making specific diagnoses that expeditiously guide care for best outcomes while eliminating unnecessary delays is what I enjoy most. I strive to treat Veterans as well as I would my own family.

Diagnostic Radiologist and Nuclear Medicine Physician

Dr. Mark Fister is a board certified Diagnostic Radiologist and Nuclear Medicine Physician at the Ralph H. Johnson VA Heath Care System.

Dr. Knight provides supervision and interpretation of a wide variety of medical imaging tests to Veterans of the Ralph H. Johnson VA Health Care System and several other VISN 2 facilities.&nbsp;&nbsp;In this role, he is responsible for overseeing diagnostic medical imaging services during night and evening shifts; ensuring the highest quality X-ray, CT, MRI, and Ultrasound services are available for our Veterans whenever they are most needed.&nbsp;&nbsp;Before joining the VA, he worked in private practice for over 20 years in the Knoxville, TN area.&nbsp; Dr Knight also served in the Tennessee Army National Guard and US Army Reserves, retiring as a Colonel after 33 years of service, and several deployments.&nbsp;&nbsp;Dr. Knight earned a Doctor of Medicine degree from East Tennessee State University – Quillen College of Medicine, followed by 6 years of residency training at Vanderbilt University Medical Center.&nbsp;&nbsp;Outside of work, he enjoys spending time with family, as well as many outdoor activities such as hiking, cycling, and boating.&nbsp;&nbsp;Education and Credentials&nbsp;&nbsp;Undergraduate: University of Tennessee at Chattanooga – BA 1987&nbsp;&nbsp;Medical/Graduate School: East Tennessee State University – MD 1992&nbsp;&nbsp;&nbsp;Residency/Fellowship: Vanderbilt University Medical Center 1992-1998&nbsp;&nbsp;Certifications: Diplomate - American Board of Radiology - 1998&nbsp;Diplomate - American Board of Nuclear Medicine - 1994 (recertified 2006)&nbsp;Diplomate - National Board of Medical Examiners - 1993&nbsp;&nbsp;

Dr. Knight is a Staff Radiologist with the Ralph H. Johnson VA Health Care System in Charleston, SC having joined the VA in 2021. 

Having joined the VA in 2007, Dr. Khan provides diagnostic and therapeutic nuclear medicine services to Veterans at the main hospital.&nbsp;Dr. Khan is a board-certified nuclear medicine physician driven by a profound commitment to serving our nation's Veterans. His philosophy of care is rooted in the VA's core values of&nbsp;Integrity, Commitment, Advocacy, Respect, and Excellence. &nbsp;He believes that every Veteran deserves the highest standard of diagnostic care delivered with compassion and respect.&nbsp;In his practice, Dr. Khan leverages the advanced technology available at the Ralph H. Johnson VA Medical Center to look beyond static images, focusing on the intricate&nbsp;function&nbsp;of organ systems to diagnose conditions accurately and guide effective, personalized treatment plans. He finds immense fulfillment in making a meaningful difference in the lives of those who have selflessly defended our freedoms, considering his role not just a job, but a mission to honor their sacrifice through dedicated and high-quality medical care.&nbsp;Dr. Khan earned an MD degree from Northeast Ohio Medical University and residency in Nuclear Medicine at the University of Maryland Medical Center.&nbsp;Outside of work, he enjoys travelling, spending time outdoors and volunteering at the Shifa Free Clinic and food pantry.

Dr. Khan is a Nuclear Medicine Physician with the Ralph H. Johnson VA Health Care System in Charleston, SC. 

. Having joined the VA in 2021, Dr. Denison interprets all types of imaging studies – CT, MRI, ultrasound, and X-rays. Dr. Denison interprets emergency examinations during evening and night shift hours for patients at the Ralph H. Johnson VA Health Care System, &nbsp;and also interprets exams for several other VA facilities in the VISN 2 region – in South Carolina, Georgia, and Alabama.&nbsp;&nbsp;By providing rapid and accurate interpretation of imaging studies, he helps the treatment team make the diagnosis and start effective treatment. A Navy Veteran himself, he left private practice specifically to serve Veterans – to be “back with his people!”&nbsp;Before joining the VA, he worked for Mercy Health System in Southern Wisconsin for 17 years. Prior to that, he served as Radiology Department Head at Naval Hospital Guam.&nbsp;Dr. Denison earned his MD at The Ohio State University, followed by residency in Diagnostic Radiology at Naval Medical Center San Diego, and fellowship in Interventional Radiology at the University of Chicago.&nbsp;Outside of work, he enjoys travel, woodworking, and riding his Harley-Davidson Road King - with his wife Dr. Patricia Garner (Navy Veteran and surgeon at the Charles George VA in Asheville) - she rides in the sidecar!&nbsp;Undergraduate: BS, The Ohio State University, 1987&nbsp;Medical School: MD, The Ohio State University, 1991&nbsp;Graduate School: MBA, University of Redlands, 1995&nbsp;Residency: Naval Medical Center San Diego, Diagnostic Radiology, 1999&nbsp;Fellowship: University of Chicago, Interventional Radiology, 2004&nbsp;Certifications: Certified by the American Board of Radiology

Dr. Denison is a Radiologist with the Ralph H. Johnson VA Health Care System in Charleston, South Carolina. 

Having joined the VA in 2014, Dr. Thorpe provides imaging services to Veterans in Charleston.&nbsp;In this role, he is responsible for timely interpretation of images and is passionate about efficient, quality care for veterans.&nbsp;Before joining the VA, he worked in private practice, traveling to several hospitals for locums tenens work.&nbsp;Dr. Thorpe earned an MD from the University of Alabama, followed by residencies in internal medicine, nuclear medicine, and radiology.&nbsp;Outside of work, he enjoys playing guitar.&nbsp;Undergraduate: Auburn 1999&nbsp;Medical/Graduate School: Alabama 2003&nbsp;Residency/Fellowship: Radiology/MRI&nbsp;Certifications: Radiology, Nuclear Medicine, Internal Medicine

Dr. Thorpe is a radiologist with the Ralph H. Johnson VA Health Care System. 

Medical School: Medical University of South Carolina Residency: Temple University Philadelphia, Pennsylvannia Fellowship: &nbsp;Nuclear Medicine; Thoracoabdominal Imaging with Advanced Body MRI - St. Louis; Minneapolis Board Certification: Yes - Physical Medicine and Rehabilitation&nbsp;

Dr. Mary Herring is a board certified Physician at the Ralph H. Johnson VA Heath Care System.

Medical School: University of Tennessee, Memphis Residency: Seattle, WA Fellowship: &nbsp;MSK - UCI, Irvine/VA Long Beach Board Certification: Yes

Dr. James Greene is a board certified Radiologist at the Ralph H. Johnson VA Heath Care System.

Having joined the VA in 2019, Dr. Miller provides interpretation of MRI, CT, US, X-rays, ultrasound, and PET-CT to Veterans in Charleston, SC area.&nbsp;&nbsp;Before joining the VA, Dr. Miller worked in a private radiology practice in Lafayette, LA, and has served as co-group manager of the Acadiana Radiology Group.&nbsp;&nbsp;Dr. Miller earned a Doctorate of Medicine degree (MD) from Louisiana State University, New Orleans, followed by a Diagnostic Radiology residency at Oklahoma University School of Medicine in Oklahoma City, OK.&nbsp; He then completed a Musculoskeletal Radiology fellowship at the Medical University of South Carolina in Charleston, SC.&nbsp;&nbsp;Outside of work, Dr. Miller enjoys spending time with his family, including biking, walking, and boating. He is a paleontology and mineral buff, world traveler - 5 continents, and outdoor enthusiast - visiting nearly all 50 US states and most US National Parks.&nbsp; He is an avid reader of fiction and non-fiction and overall, an information junkie.&nbsp;&nbsp;Education and Credentials :&nbsp;&nbsp;Undergraduate: University of Chicago, Chicago, IL. BS Biological Sciences, 1997.&nbsp;&nbsp;Graduate School: Tulane University, New Orleans, LA. Master’s Degree in Pharmacology, 2000.&nbsp;&nbsp;Medical: Louisiana State University Health Sciences Center, New Orleans, LA. Doctorate of Medicine (MD), 2004.&nbsp;&nbsp;Internship: Louisiana State University Health Sciences Center, University Medical Center, Lafayette, LA. Internal Medicine Preliminary Year, 2005.&nbsp;&nbsp;Residency: Oklahoma University Health Sciences Center, Oklahoma City, OK. Diagnostic Radiology Residency 2009.&nbsp;&nbsp;Fellowship: Medical University of South Carolina, Charleston, SC. Musculoskeletal Radiology Fellowship, 2018.&nbsp;&nbsp;Certifications: The American Board of Radiology 2009-present.&nbsp;

Dr. Miller is a Diagnostic Radiologist with fellowship subspeciality training in Musculoskeletal Radiology with the Ralph H. Johnson VA Health Care System

Medical School: Georgetown University Residency: Radiology - Cleveland Clinic Fellowship: &nbsp;Neuroradiology - NNMC Bethesda Board Certification: Yes - Diagnostic Radiology

Dr. Mary Louise Turkiewicz is the Supervisory Radiologist.

Having joined the VA in 2020, Dr. Angle provides diagnostic imaging services to Veterans in the Charleston area.&nbsp;&nbsp;In this role, he is responsible for all aspects of diagnostic imaging, and is passionate about providing the highest quality of care and services to veterans.&nbsp;&nbsp;Before joining the VA, he served as a Navy medical officer and has served in multiple academic leadership positions.&nbsp;&nbsp;Dr. Angle earned an MD degree from the Medical University of South Carolina, followed by completion of residency training at the University of Florida.&nbsp;&nbsp;Undergraduate: University of South Carolina, Bachelor of Science, 2004&nbsp;&nbsp;Medical/Graduate School: Medical University of South Carolina, Medical Doctor, 2009&nbsp;&nbsp;Residency/Fellowship: University of Florida Diagnostic Radiology Residency, 2014.&nbsp;&nbsp;Certifications: American Board of Radiology.&nbsp;

Dr. Angle is a staff radiologist with the Ralph H. Johnson VA Health Care System in Charleston, SC. 

Dr. Gillen graduated with honors from University Of South Carolina School Of Medicine in 2018. Having more than 8 years of diverse experiences, especially in DIAGNOSTIC RADIOLOGY.

Dr. Gillen is a provider with the Ralph H. Johnson VA Health Care System.

He joined the VA in 2023 and is committed to helping Veterans, clinicians, and care teams identify the source of pain and disease through advanced medical imaging.&nbsp;Dr. Haviazheu has clinical interests in diseases of the liver, kidneys, prostate, and gastrointestinal tract, as well as cardiac imaging. After completing a Body MRI Fellowship at Johns Hopkins University in 2022, he helped bring several advanced imaging techniques to the VA — including MRI Elastography, which can reduce the need for invasive procedures and biopsies. He also serves as the MRI Safety Officer, participates in multidisciplinary tumor boards, and enjoys teaching resident physicians.&nbsp;Originally from Belarus, Dr. Haviazheu immigrated to the United States in 2009 after receiving a Green Card through the Diversity Visa Program. He is deeply grateful for the opportunities this country has provided and is honored to serve Veterans through his work at the VA.&nbsp;Outside of medicine, he enjoys spending time with his family, traveling, cold-plunge and wellness activities, and baking sourdough bread.&nbsp;&nbsp;Education &amp; Training&nbsp;<ul><li>Undergraduate:&nbsp; </li><li>Horry Georgetown Technical College – Associates in Arts, Biology (2011)Biology </li><li>College of Charleston — B.A., Biology (2012) </li><li>Medical School: Medical University of South Carolina (MUSC), 2017 </li><li>Residency: Diagnostic Radiology, MUSC, 2021 </li><li>Fellowship: Body MRI, Johns Hopkins University, 2022&nbsp;</li></ul>&nbsp;Certification&nbsp;<ul><li>Board Certified in Diagnostic Radiology&nbsp;</li></ul>

Dr. Dzmitry Haviazheu is a diagnostic radiologist at the Ralph H. Johnson VA Health Care System in Charleston, South Carolina.

Diagnostic Radiologist trained at the WRNMMC National Capitol Consortium with the goal of providing world class care for fellow veterans.

Mark Seigh is a diagnostic radiologist with the Ralph H. Johnson VA Health Care System.

Having joined the VA in 2024, Dr. Waltz provides Diagnostic Radiology and Nuclear Medicine services to Veterans in Charleston, SC.&nbsp;In this role, he is responsible for protocoling and interpreting diagnostic imaging exams with a subspecialty focus on Body and Cardiac imaging with some procedural work. He is passionate about ensuring his fellow veterans receive outstanding patient care.&nbsp;&nbsp;Before joining the VA, he worked at MUSC and private practice, as well he is currently serving in the Army reserves as a physician having previously served on active duty in the USMC prior to undergraduate and medical school.&nbsp;&nbsp;Dr. Waltz earned a BS in Biology from college of Charleston, followed by an MD at MUSC. He did a dual residency in Radiology and Nuclear Medicine at MUSC with a subsequent Body/Abdominal imaging fellowship.&nbsp;&nbsp;&nbsp;Outside of work, he enjoys spending time with family and physical activity including running and lifting weights. He also enjoys college football and is a fan of the New York Yankees and Miami Dolphins in professional sports.&nbsp;&nbsp;Education and Credentials&nbsp;&nbsp;Undergraduate: CofC 2009&nbsp;Medica School: MUSC 2016&nbsp;Residency/Fellowship: MUSC Diagnostic Radiology and Nuclear Medicine- 2021&nbsp;&nbsp;Fellowship: Body/Abdominal Imaging 2022&nbsp;Certifications: Diagnostic Radiology - American Board of Radiology&nbsp;

Dr. Waltz is a Diagnostic Radiologist with the Ralph H. Johnson VA Health Care System. 