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

Sophia Maria Mastakas, LCSW

Individual provider Clinical Social Worker · NPI 1386511764

Sophia Maria Mastakas, LCSW is a Clinical Social Worker in Alexandria, Virginia. Qualified in 2022, 4 years ago. Licensed in Virginia.

Years since qualifying
4
Licensed in
VA
In the registry since
2025
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

6901 S Van Dorn St
Alexandria, VA 22315-3961
Phone: (703) 313-6300
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 0904019304 (VA)

Record details

NPI number1386511764
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 21, 2025
Last updated in NPPESOctober 24, 2025
Certification dateOctober 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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