Moira O'Riordan

Moira O'Riordan, MD


Breast Imaging

Medical School

University of Chicago Pritzker School of Medicine


UCSF Medical Center At Parnassus


UCSF Medical Center At Parnassus

Board Certifications

  • Diagnostic Radiology - American Board of Radiology

Member of:
Stamford Health Medical Group


More about Moira O'Riordan, MD


Dr. O’Riordan graduated from the University of Chicago Medical School. After completing a Diagnostic Radiology residency at the University of California, San Francisco (UCSF), she continued at UCSF for specialized fellowship training in Women’s Imaging.

Dr. O’Riordan is expert in breast imaging,including 3D mammography, screening and diagnostic ultrasound, and breast MRI. She also performs minimally invasive breast biopsy.

Before joining Stamford Health Medical Group, Dr. O’Riordan served as director of a growing women’s imaging clinic in Washington State where she focused on improving the patient experience during a breast evaluation. She is excited to join a women’s imaging team that delivers such compassionate and comprehensive care.

Special Interests

Complex breast management and patient-focused care


  • Alpha Omega Alpha, University of Chicago (Illinois Beta Chapter)
  • Radiological Society of North America
  • American College of Radiology
  • Society of Breast Imaging
  • Margulis Society at UCSF



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