Radiologist, Nuclear Medicine Specialist
46 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. David Cassidy, MD is board certified in Radiology and Nuclear Radiology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Cassidy graduated from University of Cincinnati.


Dr. Cassidy has 1 hospital affiliations:

  • Fountain Valley Regional Hospital & Medical Center 


  • Tagalog
  • Spanish
  • Vietnamese
  • Polish

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Additional Information
Dr. David Lee Cassidy MD is a male Radiologist, has 46 years of experience and practices in Radiology and Nuclear Radiology.
Where does Dr. David L. Cassidy practice?
Dr. David Cassidy has 7 office locations.
Dr. David Cassidy practices Radiology and Nuclear Radiology near Fountain Valley, CA.
Additional practice locations include: Mission Viejo, CA and La Quinta, CA.
See Fountain Valley Radiologists and Fountain Valley Nuclear Medicine Physicians.