Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. David Lee Cassidy, MD

Individual provider Specialist · NPI 1376591594

Dr. David Lee Cassidy, MD is a Specialist in Fountain Valley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

18944 Mount Cimarron St
Fountain Valley, CA 92708-7313
Phone: (714) 968-7706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence C28354 (CA)
Specialist Taxonomy 174400000X · Licence C28354 (CA)
Nuclear Radiology Physician Taxonomy 2085N0904X · Licence C28354 (CA)

Record details

NPI number1376591594
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESNovember 27, 2007
Mailing address18944 Mount Cimarron St, Fountain Valley, CA 92708-7313

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