NPI age
19 years
Enumerated 2007-03-30
● Active
Type 1 · Individual
DR. William Randolph Billingsley, PH.D.
Billingsley is 1 of 3 psychologist providers in Fort Worth and 1 of 67 in Texas.
Primary specialty
Psychologist
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-12-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 67 active psychologist providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
4% of peers hold multiple states
Subspecialties
2
In the 41% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-03Enumerated in NPPES
2007
2026
Where they practice
Practice location
1810 8th Ave Ste B-10
Fort Worth, TX 761101352
Mailing address
1810 8th Ave Ste B-10
Fort Worth, TX 761101352
Specialties
-
Psychologist PrimaryA psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose...
-
PsychologistA 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...
-
PsychologistA psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | P00121-E5 |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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