NPI age
19 years
Enumerated 2006-10-02
● Active
Type 1 · Individual
Steven W Sliwinski, PHD
Sliwinski is 1 of 48 psychologist providers in Plano and 1 of 2632 in Texas.
Primary specialty
Psychologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
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
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
903 18th Street, Ste 117
Plano, TX 75074
Mailing address
903 18th Street, Ste 117
Plano, TX 75074
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 |
|---|---|---|
| 01 (TX) | 0064KM | BLUE CROSS |
| 01 (TX) | 31440 | TEXAS LICENSE |
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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