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Clinical Social Worker

Magdalena J. Steffen, CSW

Sees patients in Sioux Falls, SD · South Dakota

Summary

Magdalena J. Steffen, CSW is a clinical social worker at 523 N Duluth Ave, Sioux Falls, SD 57104. Phone: (605) 988-3775. Accepts Medicare assignment. NPI 1992371942. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical social worker
  • Address: 523 N Duluth Ave, Sioux Falls, SD 57104 · Directions
  • Phone: (605) 988‑3775
  • Medicare: Accepts Medicare assignment
  • Group practice: Catholic Family Services
  • School: graduated 2020
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Magdalena J. Steffen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Magdalena J. Steffen accept Medicare assignment?
Yes. Medicare's clinician data says Magdalena J. Steffen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Magdalena J. Steffen's NPI number?
1992371942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Magdalena J. Steffen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Magdalena J. Steffen as a member of this group (CMS data updated October 2, 2026).

  • Catholic Family Services5 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, South Dakota →

Other clinical social workers in Sioux Falls

Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.

All clinical social workers in Sioux Falls →

Other clinicians in Catholic Family Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCSW
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992371942
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians