Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Carol Yvonne Williams, PHD, LCSW

Individual provider Clinical Social Worker · NPI 1801998315

Mrs. Carol Yvonne Williams, PHD, LCSW is a Clinical Social Worker in Seguin, Texas. Practices as a sole proprietor. Licensed in California and Texas.

Licensed in
CA, 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.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 226
Seguin, TX 78156-0226
Phone: (830) 433-5076
Fax: (830) 433-5076
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 56416 (TX)
Case Manager/Care Coordinator Taxonomy 171M00000X · Licence 56416 (TX)
Clinical Social Worker Taxonomy 1041C0700X · Licence LCS13799 (CA)

Record details

NPI number1801998315
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LCSW
Sole proprietorYes
NPI enumeratedSeptember 4, 2006
Last updated in NPPESJune 5, 2025
Certification dateJune 5, 2025

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