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

William Thornton, PHD

Individual provider Clinical Child & Adolescent Psychologist · NPI 1528219839

William Thornton, PHD is a Clinical Child & Adolescent Psychologist in Fort Smith, Arkansas. Licensed in Arkansas. Registered with an NPI since 2008.

Licensed in
AR
In the registry since
2008
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

5111 Rogers Ave Ste 535
Fort Smith, AR 72903-2047
Phone: (479) 452-7792
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 08-21P (AR)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 08-21P (AR)

Record details

NPI number1528219839
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 6, 2008
Last updated in NPPESJuly 21, 2010
Mailing address5111 Rogers Ave, Ste 535, Fort Smith, AR 72903-2047