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

Individual provider Clinical Social Worker · NPI 1659466852

Stephan A Viehweg, LCSW is a Clinical Social Worker in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2006.

Licensed in
IN
In the registry since
2006
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

705 Riley Hospital Dr Ri 5837
Indianapolis, IN 46202-5109
Phone: (317) 944-8167
Fax: (317) 944-9760
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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 34000832 (IN)

Record details

NPI number1659466852
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESMay 9, 2012

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