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

Mark W Culleton, LSW

Individual provider Social Worker · NPI 1518909423

Mark W Culleton, LSW is a Social Worker in Washington, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

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Practice location Address checks out

87 E Maiden St Ste 31
Washington, PA 15301-4964
Phone: (724) 225-3444
Fax: (724) 222-2189
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence SW008334L (PA)

Record details

NPI number1518909423
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJuly 13, 2026
Mailing address87 E Maiden St, Suite 31, Washington, PA 15301-4964

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