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MRS. WENDY R HAHN MS, RD, CD
NPI 1205299104
Dietitian, Registered in Madison, WI

Active since March 30, 2016
3209 DRYDEN DR, MADISON, WI 53704(608) 241-9020 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 17, 2025, Mar 30, 2016 (2 updates tracked since 2016).

About Mrs. Wendy R Hahn Ms, Rd, Cd NPPES

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

MRS. WENDY R HAHN MS, RD, CD (NPI 1205299104) is an individual dietitian, registered in Madison, Wisconsin, licensed in Wisconsin (1649-29) and active in the NPI registry since March 2016.

NPPES Registry Identity

NPI1205299104
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMRS. WENDY R HAHNCredential: MS, RD, CD
Location Address3209 DRYDEN DRMadison, WI 53704-3015
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 241-9020
Sole ProprietorYes
Enumeration DateMarch 30, 2016
Last NPPES UpdateJune 17, 20252 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1205299104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in WI · 1649-29
Definition
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.
3209 DRYDEN DR, Madison, WI 53704
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Group Health Cooperative-SCW, Security Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Wendy R Hahn Ms, Rd, Cd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Wendy Hahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Wisconsin Medical Foundation, Inc
8.6 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARY ZEITLER MD
Student in an Organized Health Care Education/Training Program
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
MARIANA GANDOLFO BUSTAMANTE MS, RDN, CD
Dietitian, Registered
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
SAVANNAH NOELLE RIOS MD
Student in an Organized Health Care Education/Training Program
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
RICHARD L BROWN MD
Family Medicine
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
AIDAN CHENG KHODA DO
Student in an Organized Health Care Education/Training Program
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
RITA LILIANE HENIEN BYBEE DO
Family Medicine
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
ASHLEY MARIE LANZAROTTI DO
Student in an Organized Health Care Education/Training Program
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020
DR. KATRINA WEIMER M.D.
Family Medicine
3209 DRYDEN DR
MADISON, WI 53704
Dane County (608) 241-9020

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 Wendy Hahn's NPI number?

The NPI number for Wendy Hahn is 1205299104. It was assigned to this individual provider in the NPPES registry on March 30, 2016.

Where is Wendy Hahn located?

Wendy Hahn practices at 3209 Dryden Dr, Madison, WI 53704. The listed phone number is (608) 241-9020.

What is Wendy Hahn's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Wendy Hahn enrolled in Medicare?

Yes. Wendy Hahn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wendy Hahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Hahn reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wendy Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wendy Hahn accept?

Health plans from Group Health Cooperative-SCW and Security Health Plan list Wendy Hahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Wendy Hahn was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.