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Active NPI 1376420992 Individual Practitioner Male Practitioner

Dr. Nathaniel B Willis , PhD, RD, LDN

Dietitian, Registered • Madison, WI

Professional Overview & Biography Verified Profile Summary

Dr. Nathaniel Willis, PhD, RD, LDN is a registered healthcare professional specializing in Dietitian, Registered in Madison, WI. Practice services are available at 4018 PAUNACK AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4018 Paunack Ave

Madison, WI 537111625

Telephone 4026817964

Specialty Benchmarks & Practice Insights

Comparative analytics for Dietitian, Registered in Madison, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 15.8 Yrs
State Avg: 16.1 Yrs
Regional Practice Density
215 Specialists

Practicing in Madison, WI (1473 Statewide)

Telehealth Adoption Rate
5.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-08-17
Dietitian, Registered Primary Specialty

NUCC Taxonomy Code: 133V00000X

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active August 18, 2025

NPI status registered as active in NPPES database

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Updated Practice Location August 18, 2025

Registered at 4018 PAUNACK AVE, MADISON, WI 537111625 (Tel: 4026817964)

📍
Updated Business Mailing Address August 18, 2025

Registered at 4018 PAUNACK AVE, MADISON, WI 537111625

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Provider Name / Credentials Updated August 18, 2025

Recorded as NATHANIEL WILLIS, PHD, RD, LDN

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Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2025

Dietitian, Registered

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Initial NPI Registration & Enumeration August 18, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1376420992
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 18, 2025
Last Update: August 18, 2025
Sole Proprietor: Yes

Mailing Address

4018 Paunack Ave

Madison, WI 537111625

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.