DIANA DUNCAN
NPI 1639536683
Specialist/Technologist - Speech-Language Assistant in Peoria, AZ

Q: What is Diana Duncan's NPI number?

The NPI number for Diana Duncan is 1639536683. It was assigned to this individual provider in the NPPES registry on January 21, 2016.

Q: What is Diana Duncan's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

Q: When was this NPI record last updated?

The NPPES record for Diana Duncan was last updated on January 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.

Active since January 21, 2016

20308 N 98TH LN, PEORIA, AZ 85382(623) 332-7021 Get Directions Write a Review

NPPES record last updated: January 21, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Diana Duncan NPPES

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

DIANA DUNCAN (NPI 1639536683) is an individual speech-language assistant in Peoria, Arizona, licensed in Arizona (SLPA9705) and active in the NPI registry since January 2016.

NPPES Registry Identity

NPI1639536683

Entity TypeIndividualFemale

Primary Taxonomy2355S0801X

Provider Legal NameDIANA DUNCAN

Location Address20308 N 98TH LNPeoria, AZ 85382-2279

Mailing Address20308 N 98th LnPeoria, AZ 85382-2279

Phone(623) 332-7021

Sole ProprietorYes

Enumeration DateJanuary 21, 2016

✔ NPI 1639536683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist · Speech-Language AssistantSpeech, Language and Hearing Service Providers

Taxonomy Code2355S0801X

License✔ Licensed in AZ · SLPA9705

20308 N 98TH LN, Peoria, AZ 85382

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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 Diana Duncan's NPI number?

The NPI number for Diana Duncan is 1639536683. It was assigned to this individual provider in the NPPES registry on January 21, 2016.

Where is Diana Duncan located?

Diana Duncan practices at 20308 N 98th Ln, Peoria, AZ 85382. The listed phone number is (623) 332-7021.

What is Diana Duncan's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

When was this NPI record last updated?

The NPPES record for Diana Duncan was last updated on January 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.