MELISSA WILLIAMSON MSW
NPI 1609016435
Counselor - Mental Health in Washington, DC

Active since March 06, 2009
64 NEW YORK AVE NE, 4TH FLOOR, WASHINGTON, DC 20002(202) 673-7013(202) 673-7502 Get Directions Write a Review

NPPES record last updated: March 6, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Melissa Williamson Msw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA WILLIAMSON MSW (NPI 1609016435) is an individual mental health provider in Washington, District Of Columbia, licensed in District Of Columbia (LC303309) and active in the NPI registry since March 2009.

NPPES Registry Identity

NPI1609016435
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMELISSA WILLIAMSONCredential: MSW
Location Address64 NEW YORK AVE NE, 4TH FLOORWashington, DC 20002-3320
Mailing Address64 New York Ave Ne, 4th FloorWashington, DC 20002-3320 · (202) 673-7013 · Fax (202) 673-7502
Fax(202) 673-7502
Sole ProprietorNo
Enumeration DateMarch 6, 2009
NPI 1609016435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in DC · LC303309
64 NEW YORK AVE NE, Washington, DC 20002

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
64 NEW YORK AVE NE
WASHINGTON, DC 20002
Social Worker (Clinical)
64 NEW YORK AVE NE
WASHINGTON, DC 20002
Social Worker
64 NEW YORK AVE NE
WASHINGTON, DC 20002
Social Worker (Clinical)
64 NEW YORK AVE NE, 2ND FLOOR
WASHINGTON, DC 20002
Psychologist (Clinical Child & Adolescent)
64 NEW YORK AVE NE, 4TH FLOOR
WASHINGTON, DC 20002
Community Health Worker
64 NEW YORK AVE NE
WASHINGTON, DC 20002
Case Manager/Care Coordinator
64 NEW YORK AVE NE
WASHINGTON, DC 20002
Social Worker (School)
64 NEW YORK AVE NE
WASHINGTON, DC 20002

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Williamson's NPI number?

The NPI number for Melissa Williamson is 1609016435. It was assigned to this individual provider in the NPPES registry on March 6, 2009.

Where is Melissa Williamson located?

Melissa Williamson practices at 64 New York Ave NE 4th Floor, Washington, DC 20002. The listed phone number is (202) 673-7013.

What is Melissa Williamson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Melissa Williamson was last updated on March 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.