Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Joycelyn Sheri Williams Thomas, PHD

Individual provider Psychologist · NPI 1255444188

Dr. Joycelyn Sheri Williams Thomas, PHD is a Psychologist in Longview, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2006
Specialties on file
4
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1000 N High St Unit 13
Longview, TX 75601-5105
Phone: (817) 607-3868
Fax: (855) 541-0383
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 36150 (TX)
Psychologist Taxonomy 103T00000X · Licence 36150 (TX)
Counseling Psychologist Taxonomy 103TC1900X · Licence 36150 (TX)
Forensic Psychologist Taxonomy 103TF0200X · Licence 36150 (TX)

Record details

NPI number1255444188
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 16, 2006
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026

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