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

Individual provider Clinical Psychologist · NPI 1417961756

Dr. Sarah Lisbeth Sirbasku Williams, PHD is a Clinical Psychologist in Vienna, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
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

1604 Spring Hill Rd Ste 300
Vienna, VA 22182-7510
Phone: (571) 766-8717
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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 0810004728 (VA)

Record details

NPI number1417961756
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 29, 2006
Last updated in NPPESJune 18, 2014

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