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

Mr. Donald Unger, PHD

Individual provider Psychologist · NPI 1629177563

Mr. Donald Unger, PHD is a Psychologist in Wilmington, Delaware. Licensed in Delaware. Registered with an NPI since 2006.

Licensed in
DE
In the registry since
2006
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

1521 Concord Pike Ste 103
Wilmington, DE 19803
Phone: (302) 428-0205
Fax: (302) 428-1123
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence B10000217 (DE)

Record details

NPI number1629177563
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESJuly 8, 2007

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