Shelby Marx, MSW, LICSW
Clinical Social Worker · Winona, MN
Shelby Marx, MSW, LICSW is a clinical social worker with a practice address in Winona, Minnesota, and NPI 1699220418, issued on Aug 22, 2016. Check the license (Minnesota 26571, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shelby Marx
- Credential
- MSW, LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 26571 MN
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Sarnia St Ste 2100, Winona, MN 55987
- Phone
- (507) 453-6242
- Enumerated
- Aug 22, 2016
- Record last updated
- Jul 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20210105000803); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,609 in Minnesota → Look up another NPI →
Also registered at 420 E Sarnia St Ste 2100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shari Fusillo, LPCCProfessional Counselor1699435982
- Kristin IsaacsonMental Health Counselor1760867337
- Veronica Ives-Virnig, MS, LPCCProfessional Counselor1588943963
- Kelli Larson, LICSWClinical Social Worker1689569865
- Samuel Mahr, LPCCProfessional Counselor1154914786
Verify Shelby Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 26571Check 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
- Hiawatha Valley Mental Health Center IncWinona, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shelby Marx among 6,609 clinical social worker records in Minnesota
Shelby Marx, MSW, LICSW is one of 6,609 clinical social worker records with a practice address in Minnesota. 24% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 42% of them.
- NPI issued2016 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 24% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2017 · median 2014 among the 2,023 with a school on file
- Record last updated2025 · 48% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 clinical social worker records list a practice address in Winona
They are 27 of the 876 NPPES records with a practice address in Winona, and 6,609 clinical social worker records in Minnesota.
All 6,609 in Minnesota → Every provider in Winona → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Andrew Bohlman, LICSWWinona, MN 559871740611730
- Mary Chase Borgen, LICSWWinona, MN 559871295750438
- Mario Einsman, M.S.Winona, MN 559871336286202
- Gary Flynn, LICSWWinona, MN 559871710046669
- Dorothy Herzing, LICSWWinona, MN 559871659432912
- Ann Lichliter, LICSWWinona, MN 559871013190743
- Katherine Meyers, LICSWWinona, MN 559871477800456
- Andreen Midthune, LICSWWinona, MN 559871538342746
Common questions
What is Shelby Marx, MSW, LICSW's NPI number?
Shelby Marx, MSW, LICSW's National Provider Identifier (NPI) is 1699220418, issued on Aug 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Shelby Marx, MSW, LICSW located?
The NPPES record lists a practice address at 420 E Sarnia St Ste 2100, Winona, MN, 55987. Phone: (507) 453-6242. Providers update this record themselves, so call before visiting.
How can I verify Shelby Marx, MSW, LICSW's license?
NPPES lists Minnesota license number 26571, as entered by the provider. Search the Minnesota 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.