Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Elizabeth Toon Powell Parthum, BCBA

Individual provider Behavior Analyst · NPI 1821599085

MS. Elizabeth Toon Powell Parthum, BCBA is a Behavior Analyst in Manassas, Virginia. Licensed in District of Columbia and Virginia. Registered with an NPI since 2018.

Licensed in
DC, VA
In the registry since
2018
Specialties on file
2
What do these letters mean?
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

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Practice location Address checks out

9994 Sowder Village Sq # 102
Manassas, VA 20109-5464
Phone: (855) 832-6727
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-25-79909 (VA)
Behavior Technician Taxonomy 106S00000X · Licence RBT-17-28463 (DC)

Record details

NPI number1821599085
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA
Sole proprietorNo
NPI enumeratedFebruary 23, 2018
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026

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