DR. MARK WALKER MATTHEWS (PHD) – Clinical Psychologist, NPI 1609090471

DR. MARK WALKER MATTHEWS (PHD) is a healthcare provider. based in Southlake, Texas. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PHD. They hold a License No. 31431 (TX). The NPI Number for DR. MARK WALKER MATTHEWS (PHD) is 1609090471

Main info

Male
Sole Proprietor
27 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK WALKER MATTHEWS (PHD)
NPI
1609090471
Phone
(817) 909-3766
Address
305 MIRON DR
Enumeration Date
12 April 2007
Last Update Date
27 July 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8173819650
Graduation Year
1999 (27 years ago)
PAC ID
0143287763
Group Practice PAC ID
5698016301
Professional Enrollment ID
I20041215000763
Address ID
TX762446470FO9545XSTXX401
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,347 CLINICAL PSYCHOLOGIST in TX

Provider Addresses for DR. MARK WALKER MATTHEWS (PHD)

  • 305 MIRON DR

    SUITE 400-A

    SOUTHLAKE, TX 760927831

    Phone: (817) 909-3766

    Fax: (817) 479-9496

    Type: Location

  • 8017 CRAZY HORSE LN

    FORT WORTH, TX 761374161

    Phone: (817) 909-3766

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-12-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041215000763IClinical PsychologistTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 76092)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5698016301View full group profile
NameSpecialtyState
Clinical Social WorkerTX
Mental Health CounselorTX
Pain Management, Psychiatry, Addiction MedicineTX
Mental Health CounselorTX
P S Y C H I A T R YOH

Reviews

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Frequently asked questions

Does DR. MARK WALKER MATTHEWS (PHD) have a public NPI I can cite?
Public records show DR. MARK WALKER MATTHEWS (PHD) under NPI 1609090471.
Should I treat DR. MARK WALKER MATTHEWS (PHD) as an active provider?
Patients and plans typically see DR. MARK WALKER MATTHEWS (PHD) as active in the national extract.
How should patients interpret DR. MARK WALKER MATTHEWS (PHD)'s specialty?
The extract shows Clinical Psychologist for DR. MARK WALKER MATTHEWS (PHD). Clinical services aligned with this taxonomy classification.
Is DR. MARK WALKER MATTHEWS (PHD) tied to Southlake, Texas?
If you are local to Southlake, Texas, DR. MARK WALKER MATTHEWS (PHD) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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