Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Darlene Pieper

Mental Health Counselor in Sioux Center, IA · enumerated 2018.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043718364

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Registry record

Entity type Individual (Type 1)

Name Darlene Pieper

Sex Female

Practice address Sioux Center, IA, 51250

Phone (712) 441-5519

Fax (712) 722-4901

Enumeration date Feb 1, 2018

Last updated in NPPES Feb 1, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 00792 (IA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Darlene Pieper's NPI record?

Cross-check NPI 1043718364 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1043718364 active?

Yes, as of the latest NPPES snapshot, NPI 1043718364 is active (record last updated 2018-02-01).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-01.