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

Dr. John Douglas Terrell, PSYD

Individual provider Psychologist · NPI 1598947442

Dr. John Douglas Terrell, PSYD is a Psychologist in Wilmington, Delaware. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

32 Cliffside Ct
Wilmington, DE 19810-1904
Phone: (302) 528-6500
Fax: (302) 475-0202
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1598947442
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedDecember 3, 2007
Last updated in NPPESJanuary 21, 2012
Mailing address32 Cliffside Ct, Wilmington, DE 19810-1904

Other providers in Wilmington