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

Dr. Clifford O. Smith, PHD

Individual provider Clinical Psychologist · NPI 1790801744

Dr. Clifford O. Smith, PHD is a Clinical Psychologist in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3608 Lancaster Pike
Wilmington, DE 19805-1509
Phone: (302) 995-9600
Fax: (302) 995-9571
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Group Psychotherapy Psychologist (primary) Taxonomy 103TP2701X · Licence B10000101 (PA)
Clinical Psychologist Taxonomy 103TC0700X · Licence B10000101 (PA)
Psychologist Taxonomy 103T00000X · Licence B10000101 (PA)

Record details

NPI number1790801744
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 21, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address3608 Lancaster Pike, Wilmington, DE 19805-1509

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