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

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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

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

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

Other providers in Southlake