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

Mark S Rider, PHD

Individual provider Clinical Psychologist · NPI 1336156975

Mark S Rider, PHD is a Clinical Psychologist in Southlake, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
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

558 Silicon Dr #102
Southlake, TX 76092-7529
Phone: (817) 442-1707
Fax: (817) 424-8428
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 24516 (TX)

Record details

NPI number1336156975
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 2, 2006
Last updated in NPPESJune 8, 2009
Mailing address558 Silicon Dr, 102, Southlake, TX 76092-7529

Other providers in Southlake