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

David Ralph Billingham, LCSW

Individual provider Clinical Social Worker · NPI 1134252919

David Ralph Billingham, LCSW is a Clinical Social Worker in Park Ridge, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
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

819 Busse Hwy
Park Ridge, IL 60068-2360
Phone: (847) 696-1570
Fax: (847) 696-1587
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 149-005381 (IL)

Record details

NPI number1134252919
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 13, 2007
Last updated in NPPESJuly 8, 2007

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