Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Antonia Popo, LCSW

Social Worker in Valley City, ND · enumerated 2017.

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

National Provider Identifier

1558807289

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Registry record

Entity type Individual (Type 1)

Name Antonia Popo

Credential LCSW

Sex Female

Practice address 520 Chautauqua Blvd, Valley City, ND, 58072

Phone (701) 845-6000

Enumeration date Jan 19, 2017

Last updated in NPPES Jan 19, 2017

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 5408 (ND) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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

Is NPI 1558807289 active?

Yes, as of the latest NPPES snapshot, NPI 1558807289 is active (record last updated 2017-01-19).

How do I verify Antonia Popo's NPI record?

Cross-check NPI 1558807289 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-19.