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

Gregory Widner, MSW

Individual provider Clinical Social Worker · NPI 1477720969

Gregory Widner, MSW is a Clinical Social Worker in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2008.

Licensed in
MO
In the registry since
2008
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

4560 Clayton Ave Ste 1000
Saint Louis, MO 63110-1547
Phone: (314) 286-2223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 2002029844 (MO)

Record details

NPI number1477720969
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedMay 13, 2008
Last updated in NPPESMay 13, 2008

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