P Praxis·MD
● Active Type 1 · Individual

DR. Betty Katherine Armstrong, PH.D.

Psychologist·Dallas, TX· NPI 1245249572 · Enumerated 2006 · 19 years on NPI
Armstrong is 1 of 3 psychologist providers in Dallas and 1 of 88 in Texas.
NPI age
19 years
Enumerated 2006-08-05
Primary specialty
Psychologist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-11
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 88 active psychologist providers in Texas.

NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
0% of peers hold multiple states
Subspecialties
1
In the 31% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-08Enumerated in NPPES
2006 2026

Where they practice

Practice location
4131 N Central Expy, Suite 840
Dallas, TX 752042102
📞 2145226334
Mailing address
4131 N Central Expy, Suite 840
Dallas, TX 752042102
📞 2145226334

Specialties

  • Psychologist Primary
    A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
    TX license #22837 taxonomy 103TB0200X
  • Psychologist
    A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a...
    TX license #22837 taxonomy 103TC0700X

Practice context

Part of a multi-provider practice. 11 other active providers share this practice address in NPPES.

Provyx · Custom healthcare lists

Need all 88 Psychologist providers in Texas?

Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.

Request a quote →

How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

Related