Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Sara Ostrowski Marsh, LCSW

Individual provider Clinical Social Worker · NPI 1013020676

MS. Sara Ostrowski Marsh, LCSW is a Clinical Social Worker in Ashland, Wisconsin. Qualified in 1987, 39 years ago. Practices with Memorial Medical Center Inc, a 78-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
39
Licensed in
WI
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

1635 Maple Ln
Ashland, WI 54806-3610
Phone: (715) 685-5400
Fax: (715) 685-5102
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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 2277-123 (WI)

Record details

NPI number1013020676
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1635 Maple Ln, Ashland, WI 54806-3610

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Memorial Medical Center Inc — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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