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

Dr. William Wallace Wardell, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1770505851

Dr. William Wallace Wardell, PHD is an Addiction (Substance Use Disorder) Psychologist in Houston, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
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 Address checks out

4314 Yoakum Blvd
Houston, TX 77006-5818
Phone: (713) 850-0049
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 23489 (TX)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 23489 (TX)

Record details

NPI number1770505851
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESOctober 21, 2011

Other providers in Houston