Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Rachel O'Sullivan, LCSW

Individual provider Clinical Social Worker · NPI 1659030393

Mrs. Rachel O'Sullivan, LCSW is a Clinical Social Worker in Waukesha, Wisconsin. Qualified in 2009, 17 years ago. Practices with Vitae Health Medical Wisconsin LLC, an 8-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
17
Licensed in
WI
In the registry since
2021
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

514 Riverview Ave
Waukesha, WI 53188-3631
Phone: (262) 548-7666
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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 12716-123 (WI)

Record details

NPI number1659030393
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedDecember 9, 2021
Last updated in NPPESDecember 9, 2025
Certification dateDecember 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Vitae Health Medical Wisconsin Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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