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

Dr. Marvin Cain Alexander, PHD, LICSW

Individual provider Clinical Social Worker · NPI 1093993370

Dr. Marvin Cain Alexander, PHD, LICSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor and works from 3 locations. Licensed in Arkansas and District of Columbia.

Licensed in
AR, DC
In the registry since
2008
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

1627 K St NW Ste 400
Washington, DC 20006-1711
Phone: (870) 822-1906
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • Telehealth, Dc, Maryland, And Virginia, DC 20010 — (724) 250-8855
  • 111 Michigan Ave Nw, Washington, DC 20010-2916 — (888) 884-2327

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC50081614 (DC)
Clinical Social Worker Taxonomy 1041C0700X · Licence 2467-C (AR)
School Social Worker Taxonomy 1041S0200X (DC)

Record details

NPI number1093993370
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LICSW
Sole proprietorYes
NPI enumeratedFebruary 8, 2008
Last updated in NPPESJuly 1, 2020
Certification dateJuly 1, 2020

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