NPI age
14 years
Enumerated 2011-12-05
● Active
Type 1 · Individual
Joann Wilson Simpson, LMSW
Simpson is 1 of 90 psychologist providers in Houston and 1 of 652 in Texas.
Primary specialty
Psychologist
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2011-12-05
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 652 active psychologist providers in Texas.
NPI age
14 years
↑ 3 yr above median (11 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
2
In the 19% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-12Enumerated in NPPES
2011
2026
Where they practice
Practice location
9603 Crooked Wood St
Houston, TX 770862408
Mailing address
9603 Crooked Wood St
Houston, TX 770862408
Specialties
-
Psychologist PrimaryA psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and...
-
PsychologistA psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical...
-
PsychologistA psychologist whose specialty is founded on principles of systems theory with the interpersonal system of the family the focus of assessment, intervention and research.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 08510 | STATE LMSW |
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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