Dr. Mary Trotty Nickson, PHD
Dr. Mary Trotty Nickson, PHD is a Professional Counselor in Allen, Texas. Practices as a sole proprietor. Licensed in Texas.
- Licensed in
- TX
- In the registry since
- 2007
- 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
100 Allentown Pkwy #114Allen, TX 75002-4200
Phone: (972) 747-0059
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Professional Counselor (primary) | Taxonomy 101YP2500X · Licence 11170 (TX) |
|---|---|
| Counseling Psychologist | Taxonomy 103TC1900X · Licence 25148 (TX) |
| School Psychologist | Taxonomy 103TS0200X · Licence 30454 (TX) |
Record details
| NPI number | 1245459189 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | PHD |
| Sole proprietor | Yes |
| NPI enumerated | April 25, 2007 |
| Last updated in NPPES | September 11, 2025 |
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