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

Dr. Karen G Johnson, PHD

Individual provider Speech-Language Pathologist · NPI 1548572035

Dr. Karen G Johnson, PHD is a Speech-Language Pathologist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2010
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2224 34th St SE
Washington, DC 20020-1202
Phone: (202) 821-2718
Fax: (202) 582-0283
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence SLP000323 (DC)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence 02939 (MD)

Record details

NPI number1548572035
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 13, 2010
Last updated in NPPESMarch 25, 2015

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