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Kallen, Joshua Aaron, MD





Providing the best care to our patients and their companions requires communicating in a way everyone understands. Interpreter services are available 24 hours a day, 7 days a week, 365 days a year. All spoken languages are available, as well as American Sign Language (AS/L).

Accepting New Patients
  • Diagnostic Radiology
  • Vascular Interventional Radiology

Areas of Expertise
Body Imaging, Cardiovascular Imaging, Chemoembolization, Image Guided Tumor Ablation, Interventional Oncology, Interventional Radiology, Minimally Invasive Cancer Therapy, Oncologic Imaging, Portal Vein Embolization, Radioembolization, TIPSS

Hospitals and Organizations


Johns Hopkins Hospital

Hospital of Saint Raphael

Medical School
University of Connecticut School of Medicine

Hartford Hospital

Tufts University

Professional Organizations

  • American College of Radiolog, Member
  • American Roentgen Ray Society, Member
  • European Society of Radiology, Member
  • Radiological Society of North America, Member


Dr. Kallen is a graduate of the University of Connecticut School of Medicine. He completed his internship in internal medicine at the Hospital of Saint Raphael in New Haven, CT. Dr. Kallen completed his residency and served as chief resident in diagnostic radiology at Hartford Hospital. He is a graduate of the Johns Hopkins vascular and interventional radiology fellowship in Baltimore, MD, where he served as chief fellow.Dr. Kallen is a member of the American College of Radiology, the Radiological Society of North America, the American Roentgen Ray Society, and the European Society of Radiology. Dr. Kallen has presented at several conferences including the Radiological Society of North America Annual Meeting. 


Aetna, Anthem, BCBS Medicare, CarePartners of Connecticut, Cigna Healthcare, Colonial Cooperative Care, Community Health Network of Connecticut, Inc., Connecticare, Connecticare Commercial, Connecticare Medicare, Corvel, Coventry, Essence Healthcare, Evercare, First Health Group Corp., Focus, Health Connecticut, Health Direct, Health New England, Healthy Connecticut, Multiplan, Northeast Health Direct, One Health Plan/ Great-West Healthcare, Oxford Health Plans, Prime Health Services, Private Health Care Systems, Inc., Senior Whole Health, United Healthcare, WellCare of Connecticut, Inc.

This information is subject to change at any time. Please check with your insurance provider before scheduling your appointment or receiving services to confirm they are a participating member of the Hartford HealthCare network.