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

Justine Lassman, PSYD

Individual provider Psychologist · NPI 1831380922

Justine Lassman, PSYD is a Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1350 Connecticut Ave NW Ste 604
Washington, DC 20036-1735
Phone: (202) 922-6989
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1831380922
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedAugust 5, 2007
Last updated in NPPESMarch 25, 2020
Certification dateMarch 25, 2020

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