Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Wendy Elizabeth Olson, LCSW, CSAC
Social Worker in Germantown, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285665042
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Wendy Elizabeth Olson
Credential LCSW, CSAC
Sex Female
Practice address W175n11120 Stonewood Dr, Germantown, WI, 53022
Phone (800) 438-1772
Fax (262) 345-5562
Enumeration date Jul 6, 2006
Last updated in NPPES Oct 14, 2026
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 6803082199 (MI) Secondary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Wendy Olson?
The National Provider Identifier (NPI) for Wendy Olson is 1285665042, a Type 1 (individual) record in the CMS NPPES registry.
Where does Wendy Olson practice?
The practice location on file with NPPES is in Germantown, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Daniel Nommensen Professional Counselor · Germantown, WI NPI 1033125885 Sheryl Cowling Clinical Social Worker · Germantown, WI NPI 1962597088 Wisconsin Lutheran Child and Family Service Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Germantown, WI NPI 1083786628 Clemens Stoeckl General Practice Dentistry · Germantown, WI NPI 1639297476 Stoeckl Family Dentistry, Sc General Practice Dentistry · Germantown, WI NPI 1376762476 Jodie Martens Clinical Social Worker · Germantown, WI NPI 1598945883 Alan Siggelkow Clinical Social Worker · Germantown, WI NPI 1508179318 John Schuetze Professional Counselor · Germantown, WI NPI 1720336407
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-10-14.