Dr. Mari Antoinette Alexander, PHD, LPC-MHSP
Dr. Mari Antoinette Alexander, PHD, LPC-MHSP is an Addiction (Substance Use Disorder) Counselor in Columbia, South Carolina. Practices as a sole proprietor. Licensed in Tennessee.
- Licensed in
- TN
- In the registry since
- 2011
- Specialties on file
- 2
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
2805 River DrColumbia, SC 29201-1605
Phone: (617) 777-6594
Fax: (617) 221-3260
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Mental Health Counselor (primary) | Taxonomy 101YM0800X · Licence 2768 (TN) |
|---|---|
| Addiction (Substance Use Disorder) Counselor | Taxonomy 101YA0400X · Licence 2768 (TN) |
Record details
| NPI number | 1003184987 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | PHD , LPC-MHSP |
| Sole proprietor | Yes |
| NPI enumerated | December 7, 2011 |
| Last updated in NPPES | September 29, 2025 |
| Certification date | September 29, 2025 |
Other providers in Columbia
-
Karrie Allen, LPC
1340 N Brickyard Rd Apt 1214, Columbia, SC 29223-8029 · (208) 651-3646
-
Amber's Hope, LLC
2719 Middleburg Dr Ste 106, Columbia, SC 29204-2414 · (864) 466-9742
-
Alicia Anderson-Brown
2711 Colonial Dr, Columbia, SC 29203-6818 · (803) 726-9309
-
Mr. Carlton A Andrews III, LPC
2611 River Dr, Columbia, SC 29201-1749 · (803) 446-4905