Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Dang

Optometrist in Coralville, IA · enumerated 2025.

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

National Provider Identifier

1821899980

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Registry record

Entity type Individual (Type 1)

Name Joseph Dang

Sex X

Practice address 2900 Heartland Dr, Coralville, IA, 52241

Phone (319) 545-3215

Enumeration date Mar 24, 2025

Last updated in NPPES May 1, 2026

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 128975 (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

What specialty is Joseph Dang?

Joseph Dang is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-01.