Convenient Radiology & Lab Services 

Radiology Services

Mercy Hospital offers a wide range of diagnostic testing services. Our specialists use advanced expertise and state-of-the-art equipment to ensure you receive the highest level of care. Our Bishop John R. McGann Radiology and Imaging Center features the latest technology and enhanced amenities, including a spacious reception area with a bright, welcoming environment and a secluded waiting area to improve the privacy of our women’s imaging patients.

Our imaging programs are accredited by the American College of Radiology. We are a designated Breast Imaging Center of Excellence.

Call 516-626-3729 for more information.

Our Imaging Services

Radiology services provided at Mercy Hospital use advanced technology to diagnose, screen and evaluate a wide range of health conditions, including those associated with the brain and spine neurological, cancer, heart and vascular, orthopedics, gastroenterology, gynecology and urology. We are the only hospital on Long Island to offer LumaGem® Molecular Breast Imaging. The advanced technology improves early detection of cancer for women with dense breasts using minimal radiation exposure.

Our team is comprised of board-certified radiologists and supporting staff who provide comprehensive diagnostic and interventional imaging services with compassion and efficiency. Experts in all areas of radiology consult with specialists in other departments so patients receive accurate, thorough diagnoses that guide personalized treatments tailored to their individual conditions, needs and goals. 

    At Mercy Hospital, our full spectrum of imaging services includes:

    • Bone densitometry
    • CT scans
    • General diagnostic radiology
    • Interventional angiography
    • MRI scans
    • Mammography
    • Molecular Breast Imaging (MBI)
    • Nuclear medicine
    • Radiation therapy and linear accelerator
    • Ultrasound

    The women’s imaging services at Mercy Hospital use advanced technology and expertise to help you stay informed and empowered when it comes to your health. Our dedicated teams of physicians, nurses, and technologists provide patient-focused care centered on you and your individual needs.

    We offer next-day screening appointments and same-day results. Our radiologists are available to read images in real-time, order additional testing and consult with physicians when needed.

    Our women's imaging services include:

    • 2D and 3D Mammography
    • Bone densitometry
    • Breast biopsy
    • Breast MRI
    • Breast ultrasound
    • Molecular Breast Imaging (MBI)
    • Stereotactic breast biopsy
    • Ultrasound-guided breast biopsy

    Mercy Hospital uses the most advanced technology to detect a heart condition early, diagnose with more accuracy and guide the most effective treatments.

    We offer a wide range of advanced imaging services, including:

    • Angiography
    • Cardiac doppler studies
    • Cardioversion
    • CT scans
    • Echocardiography
    • Vascular testing
    • Venous and arterial duplex scanning

    Mercy Hospital offers quick, painless and non-invasive screenings to detect early-stage lung cancer.

    Schedule a lung cancer screening

    Laboratory Services

    The clinical laboratory at Mercy Hospital is a full-service clinical and anatomical pathology laboratory. Our team of highly skilled professionals offers the accurate, timely and appropriate test results you and your doctor rely on to address your health concerns. 

    The facility is fully accredited by the Joint Commission and the American Association of Blood Banks. It is licensed and approved by the New York State Department of Health.

    Call 516-705-2202 for more information.

      Frequently Asked Questions

      Yes. New York State regulations require that the lab receive a written order from your physician for any laboratory services you receive.

      Fasting is only required for certain tests such as glucose (sugar) or lipids (cholesterol & triglycerides & HDL). Ask your physician or call the lab for more information, including instructions about medications you are currently taking.

      Your test results are sent automatically to the ordering physician. You can also make arrangements to have your results sent to any other physicians involved with your health care.

      Radiology & Lab Locations

      Mercy Hospital exterior

      Mercy Hospital Radiology

      Rockville Centre, NY Imaging/Radiology


      Mercy Hospital Laboratory

      Rockville Centre, NY Lab