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

Individual provider Speech-Language Pathologist · NPI 1114939501

Diane Leigh Williams, PHD is a Speech-Language Pathologist in Pittsburgh, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
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.

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Practice location Address checks out

406 Fisher Hall 711 Forbes Ave
Pittsburgh, PA 15282-0001
Phone: (412) 396-4200
Fax: (412) 396-1388
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence SL005637L (PA)

Record details

NPI number1114939501
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESJuly 8, 2007
Mailing address403 Fisher Hall 600 Forbes Ave, Pittsburgh, PA 15282-0001

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