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

Erin Patricia Sumser, RN, LCSW

Individual provider Clinical Social Worker · NPI 1447449996

Erin Patricia Sumser, RN, LCSW is a Clinical Social Worker in Fairfax, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

10520 Warwick Ave
Fairfax, VA 22030-3100
Phone: (703) 403-7997
Fax: (703) 591-8274
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 0904006584 (VA)

Record details

NPI number1447449996
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , LCSW
Sole proprietorYes
NPI enumeratedOctober 22, 2007
Last updated in NPPESOctober 22, 2007

Other providers in Fairfax