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

MS. Susan Holyoke Johnston, MSW

Individual provider Clinical Social Worker · NPI 1942412960

MS. Susan Holyoke Johnston, MSW is a Clinical Social Worker in Reston, Virginia. Practices as a sole proprietor. Licensed in District of Columbia, Maryland and Virginia.

Licensed in
DC, MD, VA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

11428 Waterview Cluster
Reston, VA 20190-4313
Phone: (703) 787-8066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 0904000078 (VA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 00204 (MD)
Clinical Social Worker Taxonomy 1041C0700X · Licence LC300496 (DC)

Record details

NPI number1942412960
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 8, 2007

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