Jean K. Warner, M.D.

Director, The Tyanna O'Brien Center for Women's Imaging at Mercy
The Center for Women's Imaging at Mercy - Baltimore, MD
Center for Women's Imaging Board Certified: Specialties: Languages Spoken: Phone: Fax: Locations:

Jean K. Warner, M.D. is Director of The Tyanna O'Brien Center for Women's Imaging at Mercy in Baltimore. A Board Certified radiologist, Dr. Warner has extensive experience in breast imaging, including digital mammography, breast ultrasound and breast MRI. She also has experience in all image-guided interventional procedures and takes a multidisciplinary approach to the diagnosis and treatment of breast disease. Dr. Warner and her team work in close collaboration with the breast surgeons of The Hoffberger Breast Center at Mercy.

An Experienced Radiologist with a Full-Time Focus on Breast Imaging

Dr. Jean Warner leads a team of radiologists with expertise in breast imaging including mammography, breast ultrasound and breast MRI. Dr. Warner is a radiologist dedicated full-time to breast imaging, a practice that distinguishes Mercy from many outpatient imaging centers in the Baltimore area. Her extensive experience in interpreting thousands of breast imaging related studies is a comfort to many of her patients.

Advocating Breast Health and Early Detection of Breast Cancer

Dr. Jean Warner has served as a spokesperson and advocate for breast health and early detection of breast cancer throughout her career. She has appeared in television news segments as well as published articles as a featured expert and specialist on breast disease. Additionally, Dr. Warner has published a variety of clinical articles in the field of breast imaging.

Education & Fellowships
  • Residencies in Internal Medicine and in Diagnostic Radiology - University of Maryland Medical System
  • Medical Degree - Ohio State University College of Medicine
Patient Stories
Women's Imaging at Mercy - Baltimore, MD


Having a family history of breast cancer, Ashley understands the importance of self exams. After finding a lump in her breast, Ashley saw Dr. Jean Warner for more in-depth mammogram to confirm her diagnosis.

Associations & Memberships
  • American College of Radiology
  • American Roentgen Ray Society
  • Radiological Society of North America
  • Society of Breast Imaging
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