Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Margaret M Hammes, MSWLISW

Individual provider Clinical Social Worker · NPI 1144497405

Margaret M Hammes, MSWLISW is a Clinical Social Worker in Decorah, Iowa. Qualified in 1999, 27 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Iowa and Wisconsin.

Years since qualifying
27
Licensed in
IA, WI
In the registry since
2008
Specialties on file
2
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Practice location Address checks out

314 W Main St
Decorah, IA 52101
Phone: (563) 387-7433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6414 S Howell Ave Ste B, Oak Creek, WI 53154-1104 — (563) 387-7433

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 007383 (IA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 11031-123 (WI)

Record details

NPI number1144497405
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSWLISW
Sole proprietorYes
NPI enumeratedMay 14, 2008
Last updated in NPPESJanuary 22, 2025
Certification dateJanuary 22, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Decorah