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

Nancy Williger PHD LLC

Organization Preferred Provider Organization · NPI 1508185687

Nancy Williger PHD LLC is a Preferred Provider Organization in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2010.

Licensed in
MO
In the registry since
2010
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

745 Old Frontenac Sq Ste 201
Saint Louis, MO 63131-2755
Phone: (314) 993-4001
Fax: (314) 993-5424
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Preferred Provider Organization (primary) Taxonomy 305R00000X · Licence 01336 (MO)

Record details

NPI number1508185687
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nancy Williger — President/Owner · (314) 993-4001
NPI enumeratedMay 27, 2010
Last updated in NPPESMay 27, 2010
Mailing address745 Old Frontenac Sq Ste 201, Saint Louis, MO 63131-2755

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