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

Mr. Mark Trahan, LMSW

Individual provider Clinical Social Worker · NPI 1518171818

Mr. Mark Trahan, LMSW is a Clinical Social Worker in Houston, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

17555 El Camino Real
Houston, TX 77058-3031
Phone: (281) 480-7554
Fax: (281) 480-4641
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 41166 (TX)

Record details

NPI number1518171818
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedMay 9, 2007
Last updated in NPPESJuly 8, 2007

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