William O Thomason, PHD
William O Thomason, PHD is an Addiction (Substance Use Disorder) Psychologist in Terrell, Texas. Licensed in Texas. Registered with an NPI since 2006.
- Licensed in
- TX
- In the registry since
- 2006
- Specialties on file
- 3
What do these letters mean?
- PHD — Doctor of Philosophy
- A research doctorate. In healthcare it usually sits alongside a clinical licence.
Practice location Address checks out
1200 E Brin StTerrell, TX 75160
Phone: (972) 551-8826
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Family Psychologist (primary) | Taxonomy 103TF0000X · Licence 25481 (TX) |
|---|---|
| Addiction (Substance Use Disorder) Psychologist | Taxonomy 103TA0400X · Licence 25481 (TX) |
| Clinical Psychologist | Taxonomy 103TC0700X · Licence 25481 (TX) |
Record details
| NPI number | 1912069543 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | PHD |
| Sole proprietor | No |
| NPI enumerated | December 13, 2006 |
| Last updated in NPPES | September 11, 2025 |
| Mailing address | Po Box 70, Terrell, TX 75160 |
Other providers in Terrell
-
John Kennedy, PSYD
1200 E Brin St, Terrell, TX 75160 · (972) 524-6452