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

Melissa Williamson, MSW

Individual provider Mental Health Counselor · NPI 1609016435

Melissa Williamson, MSW is a Mental Health Counselor in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2009.

Licensed in
DC
In the registry since
2009
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

64 New York Ave NE 4th Fl
Washington, DC 20002-3320
Phone: (202) 673-7013
Fax: (202) 673-7502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LC303309 (DC)

Record details

NPI number1609016435
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedMarch 6, 2009
Last updated in NPPESMarch 6, 2009

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