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

Dr. William D. Tynan, PHD

Individual provider Clinical Child & Adolescent Psychologist · NPI 1669564407

Dr. William D. Tynan, PHD is a Clinical Child & Adolescent Psychologist in Wilmington, Delaware. Licensed in Delaware. Registered with an NPI since 2006.

Licensed in
DE
In the registry since
2006
Specialties on file
2
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 Partly verified

Some contact details are missing from the federal record.

A.i Dupont Hospital For Children 1600 Rockland Rd
Wilmington, DE 19803-3607
Phone: (302) 651-4000
Fax: (302) 651-4945
Show map & directions

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

Specialties & licences

Clinical Child & Adolescent Psychologist (primary) Taxonomy 103TC2200X · Licence B10000589 (DE)
Developmental - Behavioral Pediatrics Physician Taxonomy 2080P0006X · Licence B10000589 (DE)

Record details

NPI number1669564407
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESSeptember 13, 2012
Mailing addressPo Box 191, Provider Enrollment Dept, Rockland, DE 19732-0191

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