Our team of diagnostic and treatment specialists is comprised of experienced Board Certified radiologists and a highly trained and certified supporting staff who shared a dedication to fast, accurate diagnoses, safe interventional procedures and close interaction with referring physicians for exceptional patient care.

Fredric C. Wollett,MD
  • Fredric C. Wollett, MD

  • Medical School: University of South Florida College of Medicine, Tampa, FL
  • Residency: University of Rochester/Strong Memorial Hospital, Rochester, NY; Diagnostic Radiology, 1977-1980
    University of South Florida College of Medicine, Tampa, FL; Pediatrics, 1975-1977
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1990
  • Special Appointments: Chief, Department of Radiology, Munroe Regional Medical Center, 1997-2004
  • Specialty: Diagnostic Radiology, Nuclear Medicine, Breast Imaging
John M. Cain,MD
  • John M. Cain, MD

  • Medical School: Duke University School of Medicine, Durham, NC
  • Residency: Medical University of South Carolina, Charleston, SC; Diagnostic Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1991
  • Special Appointments: Chief, Department of Radiology, Ocala Regional Medical Center and West Marion Community Hospital
  • Specialty: Diagnostic Radiology
Mark A. Yap,MD
  • Mark A. Yap, MD

  • Medical School: University of Missouri, Kansas City, MO
  • Residency: Wake Forest-Bowman Gray School of Medicine; Winston-Salem, NC; Diagnostic Radiology
  • Fellowship: Wake Forest-Bowman Gray School of Medicine; Vascular and Interventional Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1990
  • Specialty: Diagnostic Radiology; Vascular and Interventional Radiology
Kerry B. Raduns,MD
  • Kerry B. Raduns, MD

  • Medical School: University of Miami School of Medicine, Miami, FL
  • Residency: University of Miami/Jackson Memorial Hospital, Miami, FL; Diagnostic Radiology
  • Fellowship: University of California Davis Medical Center, Sacramento, CA; Ultrasound and Interventional procedures
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1988; Vascular and Interventional Radiology, 1995/2005; Neuroradiology, 2000
  • Special Appointments: Medical Director, Marion County School of Radiologic Technology, 1998 – Present; Chief, Department of Radiology, Ocala Regional Medical Center 2002-2006
  • Specialty: Vascular and Interventional Radiology, Neuroradiology
  • Certificate of Added Qualification: Neuroradiology, Interventional Radiology
Mark Allen,MD
  • Mark Allen, MD

  • Medical School: Bowman Gray School of Medicine, Winston-Salem, NC
  • Residency: Medical University of South Carolina, Charleston, SC; Diagnostic Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1990
  • Prior Academic Appointment: Assistant Professor of Radiology, Medical University of South Carolina
  • Special Appointments: Medical Director, Medical Imaging Center
  • Specialty: Diagnostic Radiology, Musculoskeletal Radiology
David C. McKay,MD
  • David C. McKay, MD

  • Medical School: University of Michigan, Ann Arbor, MI
  • Residency: Medical University of South Carolina, Charleston, SC; Diagnostic Radiology
  • Fellowship: Medical University of South Carolina; Vascular and Interventional Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1995
  • Specialty: Diagnostic Radiology, Vascular and Interventional Radiology
Rolando E. Prieto,MD
  • Rolando E. Prieto, MD

  • Medical School: Ponce School of Medicine, Ponce, Puerto Rico
  • Residency: Louisiana State Medical Center, Shreveport, LA; Diagnostic Radiology
  • Fellowship: University of Florida, Gainesville, FL; Vascular and Interventional Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1995.
  • Special Appointments: Chief, Department of Radiology, Munroe Regional Medical Center; Chief, Vascular and Interventional Radiology, Munroe Regional Medical Center; Medical Director, Center for Vascular Health
  • Specialty: Diagnostic Radiology, Vascular and Interventional Radiology
Ralf R. Barckhausen,MD
  • Ralf R. Barckhausen, MD

  • Medical School: Francisco Marroquin University, Guatemala City, Guatemala
  • Residency: Long Island College Hospital, Brooklyn, NY; Diagnostic Radiology
  • Fellowship: Neuroradiology, Duke University, Durham, NC
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1998; Neuroradiology, 2000/2010
  • Specialty: Diagnostic Radiology, Neuroradiology
  • Certificate of Added Qualification: Neuroradiology
Caleb R. Rivera,MD
  • Caleb R. Rivera, MD

  • Medical School: Louisiana State University School of Medicine, Baton Rouge, LA
  • Residency: Louisiana State University Medical Center; Diagnostic Radiology
  • Fellowship: Shands at the University of Florida, Gainesville, FL; Angiography and Interventional Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 2000; Vascular and Interventional Radiology, 2001
  • Special Appointments: Chief of Radiology, Bayfront Health Seven Rivers; Chief, Vascular and Interventional Radiology, Ocala Regional Medical Center
  • Specialty: Diagnostic Radiology, Vascular and Interventional Radiology
Malcolm E. Williamson, II,MD
  • Malcolm E. Williamson, II, MD

  • Medical School: Wayne State University School of Medicine, Detroit, MI
  • Residency: University of South Florida; Diagnostic Radiology
  • Fellowship: Barrow Neurologic Institute, St. Joseph's Mercy Hospital; Neuroradiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 2000, Neuroradiology, 2001/2010
  • Specialty: Diagnostic Radiology, Neuroradiology
  • Certificate of Added Qualification: Neuroradiology
Edson G. Cortes,MD
  • Edson G. Cortes, MD

  • Medical School: Ponce School of Medicine, Ponce, Puerto Rico
  • Residency: University of Cincinnati Medical Center; Diagnostic Radiology
  • Fellowship: Proscan Imaging Foundation, Cincinnati, Ohio; Musculoskeletal and Body MRI
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 2003
  • Specialty: Diagnostic Radiology, Musculoskeletal MRI, Body MRI
John D. Boon IV,MD
  • John D. Boon IV, MD

  • Medical School: Medical College of Virginia, Richmond, VA
  • Residency: University of Florida Shands Hospital; Diagnostic Radiology
  • Fellowship: University of Florida Shands Hospital; Gainesville, Florida; Musculoskeletal
  • Board Certification: Diagnostic Radiology, American Board of Radiology, 1999
  • Specialty: Diagnostic Radiology, Vertebroplasty, Spine and Peripheral Joint Injection, Musculoskeletal Radiology
Ryan K. Tompkins,MD
  • Ryan K. Tompkins, MD

  • Medical School: Mercer University School of Medicine, Macon, GA
  • Residency: University of Florida Shands Hospital, Gainesville, FL; Diagnostic Radiology
  • Fellowship: University of Florida Shands Hospital, Gainesville, FL; Musculoskeletal Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology
  • Special Appointments: Medical Director, TimberRidge Imaging Center
  • Specialty: Diagnostic Radiology, Musculoskeletal, Breast Imaging
Brian Cartwright,MD
  • Brian Cartwright, MD

  • Medical School: University of Florida, Gainesville, FL
  • Residency: University of Florida Shands Hospital; Diagnostic Radiology
  • Fellowship: University of Florida Shands Hospital; Gainesville, Florida; Musculoskeletal Radiology
  • Board Certification: Diplomate, Diagnostic Radiology, American College of Radiology, 2012
  • Specialty: Diagnostic Radiology, Breast Imaging, and Musculoskeletal
Kareem I. Bohsali,MD
  • Kareem I. Bohsali, MD

  • Medical School: University of Florida, Gainesville, FL
  • Residency: University of Florida Shands Hospital; Diagnostic Radiology
  • Fellowship: Indiana University Medical Center; Indianapolis, Indiana; Vascular/Interventional Radiology
  • Board Certification: Diplomate, Diagnostic Radiology, American College of Radiology, 2012
  • Specialty: Diagnostic Radiology, Vascular and Interventional Radiology
  • Certificate of Added Qualification: Interventional Radiology
Amanda Aulls,MD
  • Amanda Aulls, MD

  • Medical School: University of Florida, Gainesville, FL
  • Residency: University of Florida Shands Hospital; Radiology
  • Fellowship: University of Florida Shands Hospital; Neuroradiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology, Neuroradiology
  • Special Appointments: Medical Director, Women's Imaging Center
  • Experience: Lead radiologist at the Bayfront Medical Center Breast Health Center, St. Petersburg, FL
  • Specialty: Diagnostic Radiology, Neuroradiology, Breast Imaging
  • Certificate of Added Qualification: Neuroradiology
John S. Scales,MD
  • John S. Scales, MD

  • Medical School: Tulane University School of Medicine
  • Residency: University of Florida; Radiology
  • Fellowship: University of Florida; Interventional Radiology
  • Board Certification: Diagnostic Radiology, American Board of Radiology
  • Academic Experience: Data capture and research studies in biomechanics and physical and behavioral disabilities
  • Specialty: Diagnostic Radiology, Vascular and Interventional Radiology
  • Certificate of Added Qualification: Interventional Radiology
Jaime L. Abesada,MD
  • Jaime L. Abesada, MD

  • Medical School: University of Puerto Rico School of Medicine
  • Residency: University of Puerto Rico Radiology Department
  • Fellowship: Vascular and Interventional Radiology at the University of Texas MD Anderson Cancer Center
  • Board Certification: Diagnostic and Vascular and Interventional Radiology
  • Specialty: Interventional Oncology in particular hepatic chemoembolizations, tumoral bland embolizations, hepatic and renal RFA /microwave tumor ablations
Janet R. TerLouw,MD
  • Janet R. TerLouw, MD

  • Medical School: University of Miami Miller School of Medicine
  • Residency: Medical University of South Carolina; Diagnostic Radiology
  • Fellowship: Medical University of South Carolina; Breast Imaging
  • Specialty: Breast Imaging
Phil Berardi,PA
  • Phil Berardi, PA

  • Undergraduate: Wagner College, New York; BS Biology, Minor Chemistry
  • Post Graduate: Bayley Seton/Sisters of Charity, New York; Physician Assistant Certification (PA)
  • Experience: Interventional Physician Assistant, Ocala, Florida; 2001 - Present Surgical Physician Assistant, Ocala, Florida, 1998 - 2001
Edward R. Todd,PA
  • Edward R. Todd, PA

  • Undergraduate: Depauw University, Indiana; BA Biology
  • Post Graduate: Emory University School of Medicine, Atlanta, Georgia; Physician Assistant Program (PA), Master of Medical Science
  • Experience: Acting Physician Assistant across an array of surgical specialties, Ocala, Florida, 1995 - Present
  • Certificate of Added Qualification: Certified, National Commission of Certification of PAs (NCCPA), 1995

Accreditations

We take your trust and care to heart. That’s why we maintain ongoing accreditation in key diagnostic services from the American College of Radiology, so you can feel confident regarding the safety and accuracy of your care.

Resource Center

Discover the latest news and information about radiology services, breakthrough procedures and treatments, RAO’s commitment to our community, and other items of interest.