Are you Guy M. Marshall, RD? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Provider Profile

Guy M. Marshall, RD

Is this you? Edit this profile

At a glance

About Guy Marshall

Guy M. Marshall, RD is a registered dietitian / nutritionist practicing in Castle Pines, CO. This provider record is associated with NPI 1982413597.

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

Credentials & Licensing

CO licenceAs reported to the NPI registry
No. 86290217As reported
NPINational Provider Identifier
1982413597Issued 2025

As reported to the NPI registry ↗

Common questions

What does Guy M. Marshall specialize in?

Guy M. Marshall is a registered dietitian / nutritionist in Castle Pines, CO. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Guy M. Marshall located?

Guy M. Marshall is listed at 1299 Sweet River Cir, Castle Pines, CO 80108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Guy M. Marshall's phone number?

The number on file is (540) 623-4878. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Guy M. Marshall?

Guy M. Marshall's National Provider Identifier is 1982413597. 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

How much experience does Guy M. Marshall have?

Guy M. Marshall has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Guy M. Marshall's profile verified?

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

Guide.md

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