Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LINDA M. ELLIS M.S.W.
NPI 1639977333
Social Worker - Clinical in Sioux City, IA

Active since March 06, 2025
625 COURT ST, SIOUX CITY, IA 51101(712) 252-3871 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 14, 2026, Mar 6, 2025 (2 updates tracked since 2025).

About Linda M. Ellis M.s.w. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LINDA M. ELLIS M.S.W. (NPI 1639977333) is an individual clinical provider in Sioux City, Iowa, licensed in Iowa (140248) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1639977333
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLINDA M. ELLISCredential: M.S.W.
Location Address625 COURT STSioux City, IA 51101-1919
Mailing Address625 Court StSioux City, IA 51101-1919 · (712) 363-5743
Sole ProprietorNo
Enumeration DateMarch 6, 2025
Last NPPES UpdateSeptember 14, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2026
NPI 1639977333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in IA · 140248
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
625 COURT ST, Sioux City, IA 51101

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
625 COURT ST
SIOUX CITY, IA 51101
Counselor (Mental Health)
625 COURT ST
SIOUX CITY, IA 51101
Social Worker (Clinical)
625 COURT ST
SIOUX CITY, IA 51101
Clinical Nurse Specialist (Psychiatric/Mental Health)
625 COURT ST
SIOUX CITY, IA 51101
Social Worker
625 COURT ST
SIOUX CITY, IA 51101
Psychologist
625 COURT ST
SIOUX CITY, IA 51101
Social Worker (Clinical)
625 COURT ST
SIOUX CITY, IA 51101
Registered Nurse
625 COURT ST
SIOUX CITY, IA 51101

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Linda Ellis's NPI number?

The NPI number for Linda Ellis is 1639977333. It was assigned to this individual provider in the NPPES registry on March 6, 2025.

Where is Linda Ellis located?

Linda Ellis practices at 625 Court St, Sioux City, IA 51101. The listed phone number is (712) 252-3871.

What is Linda Ellis's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Linda Ellis was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.