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

Individual provider Clinical Psychologist · NPI 1609945583

Dr. Sally Singer Horwatt, PHD is a Clinical Psychologist in Reston, 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

1800 Town Center Dr Ste 216
Reston, VA 20190-3238
Phone: (703) 435-4741
Fax: (703) 435-5881
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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 0810000918 (VA)

Record details

NPI number1609945583
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 7, 2006
Last updated in NPPESJuly 8, 2007

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