NPI age
19 years
Enumerated 2006-08-31
● Active
Type 1 · Individual
DR. Joan Kay Clayton, PH.D.
Clayton is 1 of 18 psychologist providers in West Lake Hills and 1 of 2632 in Texas.
Primary specialty
Psychologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-12-29
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2632 active psychologist providers in Texas.
NPI age
19 years
↑ 6 yr above median (13 yr)
State licenses
1 state
4% of peers hold multiple states
Subspecialties
0
24% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
5524 Bee Caves Rd Ste H2
West Lake Hills, TX 787465246
Mailing address
Po Box 3041
Marble Falls, TX 786543077
Specialties
-
Psychologist PrimaryA 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) | 440531802 |
Practice context
Part of a multi-provider practice. 34 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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