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

Mr. Lucien Thomsen, LCSW

Individual provider Clinical Social Worker · NPI 1104139062

Mr. Lucien Thomsen, LCSW is a Clinical Social Worker in Bryn Mawr, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2010.

Licensed in
PA
In the registry since
2010
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

850 W Lancaster Ave 2nd Fl
Bryn Mawr, PA 19010-3220
Phone: (610) 520-1510
Fax: (610) 520-1517
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 CW016402 (PA)

Record details

NPI number1104139062
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 21, 2010
Last updated in NPPESJuly 21, 2010

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