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Provider Profile

Catherine M. Trier, PhD, RDN

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At a glance

About Dr. Trier

Listed in the NPI registry as a registered dietitian / nutritionist, Catherine M. Trier, PhD, RDN practices in Scottsdale, AZ. NPI 1578478459 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

NPINational Provider Identifier
1578478459Issued 2026

As reported to the NPI registry ↗

Common questions

What does Dr. Trier specialize in?

Dr. Trier is a registered dietitian / nutritionist in Scottsdale, AZ. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Trier located?

Dr. Trier is listed at 8501 E Montecito Ave, Scottsdale, AZ 85251. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Trier's phone number?

The number on file is (602) 370-9273. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Trier?

Dr. Trier's National Provider Identifier is 1578478459. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Is Dr. Trier's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Trier. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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