1. Home
  2. Directory
  3. Iowa
  4. Council Bluffs
  5. Counselor
  6. NPI Profile

OLIVIA NIEMAN LMHC
NPI 1326756008
Counselor - Mental Health in Council Bluffs, IA

Active since November 10, 2022PECOS Enrolled
29 S MAIN ST, COUNCIL BLUFFS, IA 51503(402) 256-7913 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 20, 2026, Nov 12, 2024, Nov 10, 2022 (3 updates tracked since 2022).

About Olivia Nieman Lmhc NPPES

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

OLIVIA NIEMAN LMHC (NPI 1326756008) is an individual mental health provider in Council Bluffs, Iowa, licensed in Iowa (126748) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1326756008
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameOLIVIA NIEMANCredential: LMHC
Location Address29 S MAIN STCouncil Bluffs, IA 51503-9070
Mailing Address29 S Main StCouncil Bluffs, IA 51503-9070 · (402) 256-7913 · Fax (402) 387-7640
Phone(402) 256-7913
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateNovember 10, 2022
Last NPPES UpdateAugust 20, 20263 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1326756008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IA · 126748
29 S MAIN ST, Council Bluffs, IA 51503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, UnitedHealthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olivia Nieman Lmhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7012476443
PECOS Enrollment IDI20260826003842
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Olivia Nieman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cord Where Science Meets Connection LLC
12 mi
Mental Health
10826 OLD MILL RD STE 103A
Omaha, NE 68154
  • Reassigned Medicare billing, Iowa enrollment
  • 9 clinicians in this Medicare group
NPI 1558995662 (402) 981-2120

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

Other Providers at the Same Location NPPES 4

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

JESSICA MILLER TLMHC
Counselor (Mental Health)
29 S MAIN ST
COUNCIL BLUFFS, IA 51503
Pottawattamie County (402) 505-2929
VEN HEALTHCARE COUNCIL BLUFFS LLC
Psychiatry & Neurology (Psychiatry)
29 S MAIN ST
COUNCIL BLUFFS, IA 51503
Pottawattamie County (712) 524-1888
REBECCA RENEE CALDWELL LMHC
Counselor (Mental Health)
29 S MAIN ST
COUNCIL BLUFFS, IA 51503
Pottawattamie County (712) 310-1171
LYDIA KAHN TMHC
Counselor (Mental Health)
29 S MAIN ST
COUNCIL BLUFFS, IA 51503
Pottawattamie County (904) 502-4261

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 Olivia Nieman's NPI number?

The NPI number for Olivia Nieman is 1326756008. It was assigned to this individual provider in the NPPES registry on November 10, 2022.

Where is Olivia Nieman located?

Olivia Nieman practices at 29 S Main St, Council Bluffs, IA 51503. The listed phone number is (402) 256-7913.

What is Olivia Nieman's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Olivia Nieman enrolled in Medicare?

Yes. Olivia Nieman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Olivia Nieman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Nieman reassigns Medicare benefits to Cord Where Science Meets Connection LLC (Omaha, NE). The 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 Olivia Nieman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olivia Nieman accept?

Health plans from Oscar Health, Oscar Insurance Company, UnitedHealthcare and Wellmark Health Plan of Iowa, Inc. list Olivia Nieman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Olivia Nieman was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.