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

Matthew James Lyman, PMHNP, ANP, LICSW

Individual provider Clinical Social Worker · NPI 1598880536

Matthew James Lyman, PMHNP, ANP, LICSW is a Clinical Social Worker in Washington, District of Columbia. Works from 3 locations. Licensed in District of Columbia and Massachusetts.

Licensed in
DC, MA
In the registry since
2007
Specialties on file
3
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.
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

1001 G St NW Ste 200EAST
Washington, DC 20001-4545
Phone: (202) 660-0005
Fax: (202) 660-0025
Show map & directions

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

Additional practice locations (2)

  • 1627 Kenilworth Ave Ne, Washington, DC 20019-2010 — (202) 803-2340
  • 555 Winthrop St, Medford, MA 02155-1532 — (617) 922-6480

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 1043976 (DC)
Clinical Social Worker Taxonomy 1041C0700X · Licence 111458 (MA)
Primary Care Nurse Practitioner Taxonomy 363LP2300X · Licence 1043976 (DC)

Record details

NPI number1598880536
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP , ANP , LICSW
Sole proprietorNo
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 21, 2022

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