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

Dr. Mark Walker Matthews, PHD

Individual provider Clinical Psychologist · NPI 1609090471

Dr. Mark Walker Matthews, PHD is a Clinical Psychologist in Fort Worth, Texas. Qualified in 1999, 27 years ago. Practices with Invicta Healthcare PLLC, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
27
Licensed in
TX
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

8017 Crazy Horse Ln
Fort Worth, TX 76137-4161
Phone: (817) 577-5717
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 31431 (TX)

Record details

NPI number1609090471
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 12, 2007
Last updated in NPPESJuly 27, 2022
Certification dateJuly 27, 2022
Mailing address8017 Crazy Horse Ln, Fort Worth, TX 76137-4161

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Invicta Healthcare Pllc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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