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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 10 office locations.
Dr. David Cassidy practices Radiology and Nuclear Radiology near Mission Viejo, CA.
Additional practice locations include: Palm Springs, CA and Indio, CA.
See Mission Viejo Radiologists.