Our expert radiology team has years of experience within the practice and service to regional clients. This results in positive, trusted, professional relationships between our staff and referring physicians. Our clients know what to expect from AR because we’ve built our reputation with them over many years.
To maintain their expertise, each member of our team receives continuing education and hands-on training to learn new techniques and incorporate advanced technologies into the practice, as well as to reinforce our expertise in basic diagnostic procedures.
The AR staff includes experienced board-certified physicians, highly trained radiographers and sonographers, a supportive administrative group, and a visionary management team. Our screening process combines educational, experiential, and personality attributes, which are reflected in AR’s strong teamwork and commitment.
Meet Our Physicians
Paul Marinelli, MD
- Board Certified: American Board of Radiology
- Medical School: University of Maryland (Baltimore, MD)
- Residency: University of Maryland (Baltimore, MD)
Oliver T. Chen, M.D.
- Board Certified: American Board of Radiology
- Medical School: Temple University School of Medicine (Philadelphia, PA)
- Residency: Temple University Hospital (Philadelphia, PA)
- fellowship: Abdominal Imaging and Intervention, University of Wisconsin (Madison, WI)
Shamim Dada, M.D.
- Board Certified: American Board of Radiology
- Medical School: University of Illinois College of Medicine (Chicago, IL)
- Residency: University of Illinois Hospital (Chicago, IL)
- fellowship: Neuroradiology, Indiana University (Indianapolis, IN)
Nina J. Gordon, M.D.
- Board Certified: American Board of Radiology
- Medical School: Yale University School of Medicine (New Haven, CT)
- Residency: Diagnostic Radiology, Brigham and Women’s Hospital (Boston, MA)
- Professional Society Memberships: American College of Radiology, Radiological Society of North America,
American Roentgen Ray Society, Society of Radiologists in Ultrasound,
Society of Breast Imaging
Kerri L. Hesley, M.D.
- Board Certified: American Board of Radiology
- Medical School: University of Texas (Galveston, TX)
- Residency: Parkland Memorial Hospital (Dallas, TX), Medical College of Virginia (Richmond, VA)
- fellowship: Magnetic Resonance Imaging, Baylor University (Dallas, TX)
Mansoor A. Husain, M.D.
- Board Certified: American Board of Radiology
- Medical School: University of Maryland (Baltimore, MD)
- Residency: University of Maryland (Baltimore, MD)
- fellowship: Cross Sectional Body Imaging, Johns Hopkins Hospital (Baltimore, MD)
Taik-Kun Kim, M.D.
- Board Certified: American Board of Radiology
- Medical School: Korean University College of Medicine (Seoul, South Korea)
- Residency: Korean University College of Medicine (Seoul, South Korea)
- fellowship: Diagnostic and Interventional Neuroradiology, University of Rochester Medical Center (Rochester, NY)
Robert Lee, M.D.
- Board Certified: American Board of Radiology
- Medical School: Eastern Virginia Medical School (Norfolk, VA)
- Residency: University of Massachusetts (Worcester, MA)
- fellowship: Cross Sectional Body Imaging, Johns Hopkins Hospital (Baltimore, MD)
Robert E. Mazzei, D.O.
- Board Certified: American Board of Radiology
- Medical School: Des Moines University College of Osteopathic Medicine (Des Moines, IA)
- Residency: Hahnemann University Hospital (Philadelphia, PA)
- fellowship: Neuroradiology, Allegheny University Hospital (Philadelphia, PA)
Narasim S. Murthy, M.D.
- Board Certified: American Board of Radiology
- Medical School: Hahnemann School of Medicine (Philadelphia, PA)
- Residency: Western Pennsylvania Hospital (Pittsburgh, PA)
- fellowship: Abdominal Imaging, University of Pittsburgh (Pittsburgh, PA)
Harris E. Orzach, M.D.
- Board Certified: American Board of Radiology
- Medical School: State University of New York, Downstate Medical Center (Brooklyn, NY)
- Residency: Long Island Jewish Medical Center (New Hyde Park, NY)
- fellowship: Neuroradiology and Magnetic Resonance Imaging, Long Island Jewish Medical Center (New Hyde Park, NY)
Joshua Similuk, D.O.
- Board Certified: American Osteopathic Board of Radiology
- Medical School: Lake Erie College of Osteopathic Medicine (Erie, PA)
- Residency: Beaumont Farmington (Farmington Hills, MI)
- fellowship: Abdominal Imaging, Wake Forest Baptist Medical Center (Winston-Salem, NC)
Trung Q. Vu, M.D.
- Board Certified: American Board of Radiology
- Medical School: Tulane University School of Medicine (New Orleans, LA)
- Residency: Medical Center of Delaware (Newark, DE)
Gregory S. Zimmermann, M.D.
- Board Certified: American Board of Radiology
- Medical School: Loma Linda University School of Medicine (Loma Linda, CA)
- Residency: Loma Linda University School of Medicine (Loma Linda, CA)
- fellowship: Body Imaging, Medical College of Wisconsin (Milwaukee, WI)