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

Dr. Mandy J Williams, PHD, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1134289945

Dr. Mandy J Williams, PHD, CCC-SLP is a Speech-Language Pathologist in Vermillion, South Dakota. Works from 2 locations. Licensed in South Dakota.

Licensed in
SD
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

414 E Clark St
Vermillion, SD 57069
Phone: (605) 677-6205
Fax: (605) 677-5767
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 414 E Clark St, Vermillion, SD 57069-2307 — (605) 677-6205

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 274-SLP (SD)

Record details

NPI number1134289945
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , CCC-SLP
Sole proprietorNo
NPI enumeratedDecember 11, 2006
Last updated in NPPESFebruary 12, 2019

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