NPPES file of Aug 9, 2026

Mark Walker Matthews, PHD

Clinical Psychologist · Fort Worth, TX

Mark Walker Matthews, PHD is a clinical psychologist with a practice address in Fort Worth, Texas, and NPI 1609090471, issued on Apr 12, 2007. Check the license (Texas 31431, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609090471
Name
Mark Walker Matthews
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
31431 TX
Self-reported in NPPES; status is on the state search
Practice location
8017 Crazy Horse LN, Fort Worth, TX 76137
Phone
(817) 577-5717
Enumerated
Apr 12, 2007
Record last updated
Jul 27, 2022
Medicaid ID
1031619 TX
Medicare enrollment
Enrolled (PECOS I20041215000763); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark Walker Matthews in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 31431
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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Bills Medicare through one group practice

  1. Invicta Healthcare PLLCFort Worth, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Walker Matthews among 2,732 clinical psychologist records in Texas

Mark Walker Matthews, PHD is one of 2,732 clinical psychologist records with a practice address in Texas. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.

  • NPI issued2007 · 28% of these records are older, 58% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated1999 · median 2006 among the 598 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Texas

There are 2,732 clinical psychologist records in Texas.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Daniel Munoz-Santamaria, PHDFort Worth, TX 761341437605797
  2. Brittany Quinn, PSYDFort Worth, TX 761341639911969
  3. Tanga Franklin, PHD.Fort Worth, TX 761331265352884
  4. Selwyn Stewart Winrow, PSYDFort Worth, TX 761331922127810
  5. Paul Warren, PSY.D.Fort Worth, TX 761331366515355
  6. Marivi Acuna, PSYDFort Worth, TX 761321396099438
  7. Carol BeanFort Worth, TX 761321518392075
  8. Constance Byers, PH.D.Fort Worth, TX 761321902887144

Common questions

What is Mark Walker Matthews, PHD's NPI number?

Mark Walker Matthews, PHD's National Provider Identifier (NPI) is 1609090471, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Walker Matthews, PHD located?

The NPPES record lists a practice address at 8017 Crazy Horse LN, Fort Worth, TX, 76137. Phone: (817) 577-5717. Providers update this record themselves, so call before visiting.

How can I verify Mark Walker Matthews, PHD's license?

NPPES lists Texas license number 31431, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.