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

MS. Amy Marie Hammerstrom, LMSW

Individual provider Clinical Social Worker · NPI 1003103169

MS. Amy Marie Hammerstrom, LMSW is a Clinical Social Worker in Sioux City, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2011, 15 years ago. Accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
15
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2011
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

505 5th St Ste 615
Sioux City, IA 51101-1505
Phone: (712) 251-5962
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 04893 (IA)
Social Worker Taxonomy 104100000X · Licence 04893 (IA)

Record details

NPI number1003103169
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedJuly 8, 2011
Last updated in NPPESSeptember 25, 2025
Certification dateSeptember 25, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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