Referring Physicians

Scheduling Information

To schedule an outpatient imaging exam or procedure at any TriStar Hospital or TriStar Outpatient Imaging Center, call (800) 242-5662, Monday – Friday, 7 a.m. – 7 p.m.

To obtain information on scheduling at any of our other sites of service, view our locations for contact numbers.

Request Access to our PACS

    Completing this form does not automatically create an account. An administrator will verify your information and contact you once your account has been created.

    Download and sign the Usage Agreement.*

    Referring Physician Online Support

    ACR Appropriateness Criteria®


    When is a radiologist available?

    Radiology Alliance radiologists are available 24 hours/day, seven days/week.

    What is the location of the radiologists who interpret the images and provide reports?

    Radiologists are staffed at each TriStar Hospital from 7 a.m. - 5 p.m. Monday-Friday and at most of our outpatient imaging locations from 8 a.m. - 5 p.m. Monday-Friday. Every evening from 5-11 p.m., we have radiologists on duty at our Central Read location. Interventional radiologists are on call after 5 p.m. for emergency procedures. A radiologist is available 24 hours/day for emergency consultations.

    How can I reach a radiologist after daytime business hours?
    To reach an interventional or general radiologist after 5 p.m., please call our Answering Service at (888) 467-7833.
    What exam should I order?
    If you are uncertain about the type of study to be ordered, please consult with one of our radiologists at any of our locations. Also, the ACR Appropriateness Criteria® is an excellent source of information on the type of exam to order. Visit
    When should I order a study with contrast?

    Due to a variety of conditions and reasons for ordering exams, this answer is not always the same. If you are uncertain whether a study should be ordered with contrast, please consult with one of our radiologists or write "Contrast if needed" on the referral form and the radiologist will make the determination.

    Is online access available for my patient's images and reports?

    Please contact your preferred location about online access for your images and reports.

    Rad Alliance logo

    Radiology Alliance is dedicated to providing a full range of high quality imaging and professional radiology services including diagnostic imaging, interventional radiology, musculoskeletal imaging, neuroradiology, oncology imaging and women’s Imaging.

    Administration/Business Office

    210 25th Avenue North, Suite 1204
    Nashville, TN 37203