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

Mrs. Mary Margaret Johnson, LICSW

Individual provider Mental Health Counselor · NPI 1962699348

Mrs. Mary Margaret Johnson, LICSW is a Mental Health Counselor in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2007.

Licensed in
DC
In the registry since
2007
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

2041 Martin Luther King Jr Ave SE Ste M 2
Washington, DC 20020-7024
Phone: (202) 889-7900
Fax: (202) 610-3095
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LC301417 (DC)

Record details

NPI number1962699348
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedSeptember 28, 2007
Last updated in NPPESSeptember 28, 2007

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