Mark Rider, PHD
NPI 1336156975 · Clinical Psychologist · Southlake, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Rider, PHD is a Clinical Psychologist provider in Southlake, TX (NPI 1336156975).
Provider details
- NPI number
- 1336156975
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24516 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2009-06-08
Frequently asked questions
- What is Mark Rider's NPI number?
- Mark Rider's National Provider Identifier (NPI) is 1336156975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rider's specialty?
- Mark Rider is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Rider located?
- Mark Rider's practice location on file with NPPES is 558 Silicon Dr, Southlake, TX 76092-7529.
- What is Mark Rider's phone number?
- The practice phone number listed in the NPPES registry for Mark Rider is (817) 442-1707.
- Does Mark Rider accept Medicare?
- Mark Rider is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Rider's NPI active?
- Yes — Mark Rider's NPI (1336156975) is active in the NPPES registry as of the last update on 2009-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.