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

Steven Lyle Nicholson, LCSW, LICSW

Individual provider Clinical Social Worker · NPI 1528749629

Steven Lyle Nicholson, LCSW, LICSW is a Clinical Social Worker in Washington, District of Columbia. Qualified in 2016, 10 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
10
Licensed in
DC
In the registry since
2023
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
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

650 Pennsylvania Ave SE Ste 440
Washington, DC 20003-4424
Phone: (202) 544-5440
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 LC200002192 (DC)

Record details

NPI number1528749629
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , LICSW
Sole proprietorYes
NPI enumeratedJuly 31, 2023
Last updated in NPPESAugust 4, 2023
Certification dateAugust 4, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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