1. Home
  2. Directory
  3. Iowa
  4. City
  5. Social Worker
  6. NPI Profile

KATHERINE L. NYDAM OLIVIER, LISW LLC
NPI 1578448429
Social Worker - Clinical in Iowa City, IA

Active since August 09, 2025
757 W BENTON ST, IOWA CITY, IA 52246(319) 339-4757(608) 299-1224 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Katherine L. Nydam Olivier, Lisw Llc NPPES

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

KATHERINE L. NYDAM OLIVIER, LISW LLC (NPI 1578448429) is a healthcare organization registered as a clinical in Iowa City, Iowa and active in the NPI registry since August 2025. The organization lists Katherine L Nydam Olivier, Owner, as its authorized official.

NPPES Registry Identity

NPI1578448429
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameKATHERINE L. NYDAM OLIVIER, LISW LLC
Location Address757 W BENTON STIowa City, IA 52246-5953
Mailing Address757 W Benton StIowa City, IA 52246-5953 · (319) 339-4757 · Fax (608) 299-1224
Phone(319) 339-4757
Fax(608) 299-1224
Organization SubpartNo
Authorized OfficialKatherine L Nydam OlivierOwner · (319) 541-1196
Enumeration DateAugust 9, 2025
Last NPPES UpdateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1578448429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
757 W BENTON ST, Iowa City, IA 52246
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine L. Nydam Olivier, Lisw Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Katherine L. Nydam Olivier, Lisw LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Katherine Nydam Olivier, LMSW
Clinical Social Worker
NPI 1366692170
507 E COLLEGE ST
Iowa City, IA 52240
(319) 338-7884
✔ PECOS✔ Accepts Medicare1.3 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Katherine L. Nydam Olivier, Lisw LLC's NPI number?

The NPI number for Katherine L. Nydam Olivier, Lisw LLC is 1578448429. It was assigned to this organization in the NPPES registry on August 9, 2025.

Where is Katherine L. Nydam Olivier, Lisw LLC located?

Katherine L. Nydam Olivier, Lisw LLC is located at 757 W Benton St, Iowa City, IA 52246. The listed phone number is (319) 339-4757.

What is Katherine L. Nydam Olivier, Lisw LLC's specialty?

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

Is Katherine L. Nydam Olivier, Lisw LLC enrolled in Medicare?

Yes. Katherine L. Nydam Olivier, Lisw LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Katherine L. Nydam Olivier, Lisw LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Katherine L. Nydam Olivier, Lisw LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Katherine L. Nydam Olivier, Lisw LLC was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.