Sara Ostrowski Marsh, LCSW
Clinical Social Worker · Ashland, WI
Sara Ostrowski Marsh, LCSW is a clinical social worker with a practice address in Ashland, Wisconsin, and NPI 1013020676, issued on Aug 17, 2006. Check the license (Wisconsin 2277-123, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara Ostrowski Marsh
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 2277-123 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1635 Maple LN, Ashland, WI 54806
- Phone
- (715) 685-5400
- Enumerated
- Aug 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (715) 685-5102
- Medicaid ID
- 39676200 WA
- Medicare enrollment
- Enrolled (PECOS I20160122000890); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 4,142 in Wisconsin → Look up another NPI →
Also registered at 1635 Maple LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Bourgard, SACAddiction (Substance Use Disorder) Counselor1356589501
- Marsha BreeserAddiction (Substance Use Disorder) Counselor1346584463
- Karen Campbell, CADC III, CCS-GAddiction (Substance Use Disorder) Counselor1427166529
- Katie Cunningham, COTAOccupational Therapy Assistant1679019947
- Daniel Gardner, PH.D.Psychologist1801904628
Verify Sara Ostrowski Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2277-123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Memorial Medical Center IncAshland, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Ostrowski Marsh among 4,142 clinical social worker records in Wisconsin
Sara Ostrowski Marsh, LCSW is one of 4,142 clinical social worker records with a practice address in Wisconsin. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1987 · median 2010 among the 1,186 with a school on file
- Record last updated2007 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 clinical social worker records list a practice address in Ashland
They are 19 of the 366 NPPES records with a practice address in Ashland, and 4,142 clinical social worker records in Wisconsin.
All 4,142 in Wisconsin → Every provider in Ashland → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Karla Braski, LCSWAshland, WI 548061659597763
- Adrianna Digirolamo, LCSWAshland, WI 548061790233773
- Jacqueline Grimm, MSW, LCSWAshland, WI 548061679185029
- Jessica Joanis, MSWAshland, WI 548061114369139
- Scott Johnson, MSW, LICSW, LCSWAshland, WI 548061255698205
- Ashley Kamantauskas, MSW, LICSWAshland, WI 548061700482627
- Steven Kassof, LCSWAshland, WI 548061578732350
- Jocelyn Langholz, MSW, LCSWAshland, WI 548061588778898
Common questions
What is Sara Ostrowski Marsh, LCSW's NPI number?
Sara Ostrowski Marsh, LCSW's National Provider Identifier (NPI) is 1013020676, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sara Ostrowski Marsh, LCSW located?
The NPPES record lists a practice address at 1635 Maple LN, Ashland, WI, 54806. Phone: (715) 685-5400. Providers update this record themselves, so call before visiting.
How can I verify Sara Ostrowski Marsh, LCSW's license?
NPPES lists Wisconsin license number 2277-123, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.