Our Providers

An experienced team of board-certified radiologists at your service.

Doctor looking at x-rays

Our providers are committed to providing you with the highest quality of care, comfort and support. At Radiology Associates Orange Park, you’ll find experts with the experience and skill to care for all of your imaging needs — closer to home than ever before.

Timothy R. Jones, MD

SUBSPECIALTY: Musculoskeletal Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: Bowman Gray School of Medicine
RESIDENCY: Stanford University
FELLOWSHIP: Musculoskeletal Radiology, University of Florida

Jacqueline M. Bernard, MD

SUBSPECIALTY: Breast Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Villanova University
MEDICAL SCHOOL: Uniformed Services University of the Health Sciences
INTERNSHIP: Naval Hospital, Jacksonville
RESIDENCY: Naval Medical Center
FELLOWSHIP: Breast Imaging, Medical University of South Carolina

Zophia I. Martinez, DO

SUBSPECIALTY: Body Imaging
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Nova Southeastern University College of Osteopathic Medicine
INTERNSHIP: Michigan State University Consortium, Beaumont Health Farmington Hills
RESIDENCY: Michigan State University Consortium, Beaumont Health Farmington Hills
FELLOWSHIP: Body Imaging, Mayo Clinic Jacksonville Campus

Roy J. Siragusa, MD

SUBSPECIALTY: Interventional / Angio / CT
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Fordham University
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: Albany Medical Center Hospital
FELLOWSHIP: Interventional/Angio/CT, University of Florida

Thomas J. Yuschok, MD, FACR

SUBSPECIALTY: Nuclear Medicine
BOARD CERTIFICATION: American Board of Radiology, Special Competence in Nuclear Radiology Council for Certification in Cardiovascular Imaging: Nuclear Cardiology
UNDERGRADUATE INSTITUTION: Bucknell University
MEDICAL SCHOOL: The Pennsylvania State University College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Nuclear Medicine, University of Florida

David B. Turetsky, MD

SUBSPECIALTY: Diagnostic & Interventional Neuroradiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of South Florida College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Diagnostic & Interventional Neuroradiology, University of Florida

K. Kevin Shamlou, MD

SUBSPECIALTY: Nuclear Medicine
BOARD CERTIFICATION: American Board of Radiology and American Board of Nuclear Medicine
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Nuclear Medicine, University of Florida College of Medicine

John C. Tonkin, MD

SUBSPECIALTY: Angiography & Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Michigan
MEDICAL SCHOOL: University of Michigan Medical School
RESIDENCY: University of Florida
FELLOWSHIP: Angiography & Interventional Radiology, University of Florida

John T. Carroll, MD

SUBSPECIALTY: Breast Imaging / Ultrasound
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Boston University
MEDICAL SCHOOL: Boston University
RESIDENCY: University of Southern California
FELLOWSHIP: Breast Imaging/Ultrasound, University of California, Los Angeles

Stephen A. Sevigny, MD

SUBSPECIALTY: Musculoskeletal Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Musculoskeletal Radiology, University of Florida

Michael R. Schiering, MD

SUBSPECIALTY: Body Imaging / Mammography
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Vanderbilt University
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: Mallinckrodt Institute of Radiology

Daniel T. Miles, MD

SUBSPECIALTY: Vascular & Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Vascular & Interventional Radiology, University of Florida

Joseph E. Cox, MD

SUBSPECIALTY: Thoracic Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of South Florida
MEDICAL SCHOOL: University of South Florida College of Medicine
RESIDENCY: Bowman Gray School of Medicine
FELLOWSHIP: Thoracic Imaging: Bowman Gray School of Medicine

Scott D. Klioze, MD

SUBSPECIALTY: Vascular & Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Virginia Tech
MEDICAL SCHOOL: Eastern Virginia Medical School
RESIDENCY: University of Florida
FELLOWSHIP: Vascular and Interventional Radiology, University of Florida

John E. Agles, MD

SUBSPECIALTY: Musculoskeletal & Sports Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Virginia Tech
MEDICAL SCHOOL: Eastern Virginia Medical School
RESIDENCY: Mallinckrodt Institute of Radiology / Washington University School of Medicine
FELLOWSHIP: Musculoskeletal & Sports Imaging, National Orthopedic Imaging Associates/California Advanced Imaging

Oscar F. Carbonell, MD, FACR

SUBSPECIALTY: Neuroradiology / Magnetic Resonance Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Cincinnati
MEDICAL SCHOOL: Medical College of Ohio at Toledo
RESIDENCY: Emory University
FELLOWSHIP: Neuroradiology/Magnetic Resonance Imaging, Emory University

Robert W. Levy, MD

SUBSPECIALTY: Interventional Radiology / Angio / CT
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Northwestern University
MEDICAL SCHOOL: University of Miami School of Medicine
RESIDENCY: St. Francis Medical Center
FELLOWSHIP: Angio / Interventional Radiology, University of Rochester

Craig A. Roberto, MD

SUBSPECIALTY: Neuroradiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Hofstra University
MEDICAL SCHOOL: SUNY Upstate Medical University
RESIDENCY: University of North Carolina Hospitals
FELLOWSHIP: Neuroradiology, University of North Carolina Hospitals

Eric F. Tocci, MD

SUBSPECIALTY: Cardiovascular Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of Miami
RESIDENCY: University of Florida
FELLOWSHIP: Cardiovascular Imaging, University of Florida

John W. Gianini, MD

SUBSPECIALTY: Abdominal Imaging
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: University of Florida
MEDICAL SCHOOL: University of Florida College of Medicine
RESIDENCY: University of Florida
FELLOWSHIP: Abdominal Imaging, Wake Forest University Bowman Gray Medical Center

Thomas J. Green, Jr., MD

SUBSPECIALTY: Vascular & Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Florida State University
MEDICAL SCHOOL: East Tennessee State University / James H. Quillen College of Medicine
RESIDENCY: Eastern Virginia Graduate School of Medicine
FELLOWSHIP: Vascular & Interventional Radiology, University of North Carolina at Chapel Hill

Alireza Bozorgmanesh, MD

SUBSPECIALTY: Vascular & Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Florida International University
MEDICAL SCHOOL: University of Florida College of Medicine
INTERNSHIP: Orlando Regional Healthcare
RESIDENCY: University of Florida
FELLOWSHIP: Vascular & Interventional Radiology, University of Florida

John T. Varvarikos, MD

SUBSPECIALTY: Neuroradiology
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: The George Washington University
MEDICAL SCHOOL: St. George’s University School of Medicine
INTERNSHIP: University of Vermont Medical Center
RESIDENCY: University of Vermont Medical Center
FELLOWSHIP: Neuroradiology, University of North Carolina at Chapel Hill

Ameneh (Mona) Mashayekh, MD

SUBSPECIALTY: Neuroradiology / Nuclear Medicine
BOARD CERTIFICATION: American Board of Nuclear Medicine, American Board of Radiology
MEDICAL SCHOOL: Shahid Beheshti University Of Medical Sciences
INTERNSHIP: St. Agnes Hospital
RESIDENCY: Thomas Jefferson Hospital, Nuclear Medicine & Diagnostic Radiology
FELLOWSHIP: Neuroradiology, Johns Hopkins Hospital

Joshua P. Zeidenberg, MD

SUBSPECIALTY: Musculoskeletal Imaging
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Albany Medical College
INTERNSHIP: Mount Sinai Medical Center
RESIDENCY: University of Miami / Miller School of Medicine
FELLOWSHIP: Musculoskeletal Imaging, Duke University

Vashti F. Hellein, MD

SUBSPECIALTY: Mammography
BOARD CERTIFICATION: American Board of Radiology
UNDERGRADUATE INSTITUTION: Old Dominion University
MEDICAL SCHOOL: Louisiana State University School of Medicine
RESIDENCY: University of Florida College of Medicine
FELLOWSHIP: Mammography, University of Florida

Jessica M. Riotti, MD

SUBSPECIALTY: Neuroradiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: University of Miami Miller School of Medicine
INTERNSHIP: Jackson Memorial Hospital / Miller School of Medicine / University of Miami
RESIDENCY: Jackson Memorial Hospital / Miller School of Medicine / University of Miami
FELLOWSHIP: Neuroradiology, Jackson Memorial Hospital / Miller School of Medicine / University of Miami. MINI FELLOWSHIP: Musculoskeletal Imaging, Jackson Memorial Hospital / Miller School of Medicine / University of Miami

Elizabeth Hevert, MD

SUBSPECIALTY: Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: University of Miami Miller School of Medicine
INTERNSHIP: Miller School of Medicine / University of Miami
RESIDENCY: Jackson Memorial Hospital / Miller School of Medicine / University of Miami
FELLOWSHIP: Interventional Radiology / Massachusetts General Hospital

Jasim A. Alidina, MD

SUBSPECIALTY: Musculoskeletal Imaging
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: University of Central Florida College of Medicine
INTERNSHIP: Elmhurst Hospital Center/Icahn School of Medicine at Mount Sinai
RESIDENCY: Harlem Hospital Center/Columbia University College of Physicians
FELLOWSHIP: Musculoskeletal Imaging, University of Miami

Jonathan A. Friedman, MD

SUBSPECIALTY: Cross-Sectional Body Imaging
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Saint George’s University School of Medicine
INTERNSHIP: Wayne State University/Detroit Medical Center
RESIDENCY: Mount Sinai Medical Center
FELLOWSHIP: Cross-Sectional Body Imaging, The Johns Hopkins University School of Medicine

Travis A. Fuchs, MD

SUBSPECIALTY: Cross-Sectional Body Imaging
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: American University of the Caribbean School of Medicine
INTERNSHIP: Flushing Hospital Medical Center
RESIDENCY: University of New York at Downstate Medical Center
FELLOWSHIP: Cross-Sectional Body Imaging, The Johns Hopkins University School of Medicine

Rizwan A. Assad, MD

SUBSPECIALTY: Neuroradiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: USAT College of Medicine
INTERNSHIP: Orlando Health, General/Trauma Surgery
RESIDENCY: Mount Sinai Medical Center, Miami
FELLOWSHIP: Neuroradiology, University of Florida College of Medicine

Chase Sofiak, MD

SUBSPECIALTY: Musculoskeletal
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Alabama College of Osteopathic Medicine (ACOM)
INTERNSHIP: Firelands Regional Medical Center, Sandusky
RESIDENCY: University of Florida Health, Jacksonville
FELLOWSHIP: Musculoskeletal, University of South Florida

Todd M. Loper, MD

SUBSPECIALTY: Interventional Radiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: University of South Alabama College of Medicine, Mobile
INTERNSHIP: University of South Alabama Medical Center, Mobile; Internal Medicine
RESIDENCY: University of Florida Shands, Jacksonville; Diagnostic Radiology
FELLOWSHIP: Interventional Radiology, University of Florida

Lelan F. Whitmire, MD

SUBSPECIALTY: Diagnostic Radiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Emory University School of Medicine, Atlanta
RESIDENCY: Emory University Affiliated Hospitals, Atlanta; General Surgery/ Emory University Affiliated Hospitals, Atlanta; Diagnostic Radiology

Edilberto R. Alvarez, MD

SUBSPECIALTY: Diagnostic Radiology
BOARD CERTIFICATION: American Board of Radiology
MEDICAL SCHOOL: Florida International University - Herbert Wertheim College of Medicine
INTERNSHIP: Jackson Memorial Hospital, Miami; Internal Medicine
RESIDENCY: University of Miami
FELLOWSHIP: Neuroradiology, University of Miami

Jara L. Apperley, PA-C

UNDERGRADUATE INSTITUTION: Bachelor of Health Science, University of Florida College of Public Health and Health Professions
GRADUATE INSTITUTION: Master of Physician Assistant Studies, University of Florida College of Medicine
CERTIFICATION: National Commission on Certification of Physician Assistants

Erin E. Epstein, PA-C

UNDERGRADUATE INSTITUTION: Bachelor of Science, University of Florida College of Health and Human Performance
GRADUATE INSTITUTION: Master of Education, Auburn University School of Kinesiology / Master of Physician Assistant Studies, University of Florida College of Medicine
CERTIFICATION: National Commission on Certification of Physician Assistants

Doctors looking at x-rays

A network of practices with one shared purpose.

Radiology Associates Orange Park is a proud member of Community Imaging Alliance. Founded in 2022 — but with roots reaching much deeper — Community Imaging Alliance is built on the belief that top-of-the-line imaging and fast service should be available to all people, anywhere. No matter the test or procedure, or where you call home, we always place patient convenience and quality of service as our top priority.

Learn More About Community Imaging Alliance