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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WENDY ELIZABETH OLSON LCSW, CSAC
NPI 1285665042
Social Worker in Germantown, WI

Active since July 06, 2006PECOS EnrolledAccepts Medicare Assignment
W175N11120 STONEWOOD DR, GERMANTOWN, WI 53022(800) 438-1772(262) 345-5562 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wendy Elizabeth Olson Lcsw, Csac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WENDY ELIZABETH OLSON LCSW, CSAC (NPI 1285665042) is an individual social worker in Germantown, Wisconsin, licensed in Wisconsin (12684) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1285665042
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameWENDY ELIZABETH OLSONCredential: LCSW, CSAC
Location AddressW175N11120 STONEWOOD DRGermantown, WI 53022-4799
Mailing AddressW175n11120 Stonewood DrGermantown, WI 53022-4799 · (800) 438-1772 · Fax (262) 345-5562
Phone(800) 438-1772
Fax(262) 345-5562
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 6, 2006
Last NPPES UpdateOctober 14, 2026
NPPES CertifiedOctober 14, 2026
✔ NPI 1285665042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in WI · 12684✔ Licensed in MI · 6803082199
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
W175N11120 STONEWOOD DR, Germantown, WI 53022
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Other Names 1

Former Name (1)Wendy Elizabeth Polaski Swt

Other Identifiers 1

Medicaid100040372WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Dean Health Plan, Network Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Wendy Elizabeth Olson Lcsw, Csac is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274010467
PECOS Enrollment IDI20260120000469
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Wendy Olson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wisconsin Lutheran Child And Family Service Inc
Same address
Mental Health (Including Community Mental Health Center)
W175N11120 STONEWOOD DR
Germantown, WI 53022
  • Reassigned Medicare billing, Wisconsin enrollment
  • 64 clinicians in this Medicare group
NPI 1083786628 (800) 438-1772

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMANDA L FOREVER LCSW
Counselor (Mental Health)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
MARK C TIEFEL
Counselor (Mental Health)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
JULIE M ROBLES
Counselor (Professional)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
MR. DANIEL P NOMMENSEN LPC
Counselor (Professional)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (262) 345-5560
WISCONSIN LUTHERAN CHILD AND FAMILY SERVICE INC
Clinic/Center (Mental Health (Including Community Mental Health Center))
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
SARAH WESTERMAN
Counselor (Professional)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
JENNA BUETTNER MSW, APSW
Social Worker (Clinical)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772
MRS. EMMA LOUISE BUTLER-JOHNSON LCSW
Social Worker (Clinical)
W175N11120 STONEWOOD DR
GERMANTOWN, WI 53022
Washington County (800) 438-1772

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wendy Olson's NPI number?

The NPI number for Wendy Olson is 1285665042. It was assigned to this individual provider in the NPPES registry on July 6, 2006. The provider is also known as Wendy Elizabeth Polaski Swt.

Where is Wendy Olson located?

Wendy Olson practices at W175n11120 Stonewood Dr, Germantown, WI 53022. The listed phone number is (800) 438-1772.

What is Wendy Olson's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Wendy Olson enrolled in Medicare?

Yes. Wendy Olson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Wendy Olson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Olson reassigns Medicare benefits to Wisconsin Lutheran Child And Family Service Inc (Germantown, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wendy Olson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wendy Olson accept?

Health plans from CareSource (Common Ground Healthcare), Dean Health Plan, Network Health, Quartz and Security Health Plan and 1 other insurer list Wendy Olson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Wendy Olson was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.