Are you Dr. Willis? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Provider Profile

Nathaniel B. Willis, PhD, RD, LDN

Is this you? Edit this profile

At a glance

About Dr. Willis

Listed in the NPI registry as a registered dietitian / nutritionist, Nathaniel B. Willis, PhD, RD, LDN practices in Madison, WI. NPI 1376420992 identifies this record in the national registry.

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

Specialty

Registered Dietitian / Nutritionist (Primary)

Credentials & Licensing

NPINational Provider Identifier
1376420992Issued 2025

As reported to the NPI registry ↗

Common questions

What does Dr. Willis specialize in?

Dr. Willis is a registered dietitian / nutritionist in Madison, WI. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Willis located?

Dr. Willis is listed at 4018 Paunack Ave, Madison, WI 53711. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Willis's phone number?

The number on file is (402) 681-7964. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Willis's NPI number?

Dr. Willis's National Provider Identifier is 1376420992. 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 long has Dr. Willis been practicing?

Dr. Willis 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

Has Dr. Willis confirmed this information?

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

Guide.md

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