Wendy R. Hahn, MS, RD, CD
Registered Dietitian · Madison, WI
Wendy R. Hahn, MS, RD, CD is a registered dietitian with a practice address in Madison, Wisconsin, and NPI 1205299104, issued on Mar 30, 2016. Check the license (Wisconsin 1649-29, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Wendy R. Hahn
- Credential
- MS, RD, CD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 1649-29 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3209 Dryden Dr, Madison, WI 53704
- Phone
- (608) 241-9020
- Enumerated
- Mar 30, 2016
- Record last updated
- Jun 17, 2025
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,457 in Wisconsin → Look up another NPI →
Also registered at 3209 Dryden Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wendy R. Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1649-29Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Wendy R. Hahn among 1,457 registered dietitian records in Wisconsin
Wendy R. Hahn, MS, RD, CD is one of 1,457 registered dietitian records with a practice address in Wisconsin. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 50% of them.
- NPI issued2016 · 50% of these records are older, 46% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 13% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
215 registered dietitian records list a practice address in Madison
They are 215 of the 15,014 NPPES records with a practice address in Madison, and 1,457 registered dietitian records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,457 in Wisconsin → Every provider in Madison → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Mikayla Fetterhoff, PHD, RDNMadison, WI 537041679306765
- Mariana Gandolfo Bustamante, MS, RDN, CDMadison, WI 537041003667072
- Molly MaxwellMadison, WI 537041124980073
- Cierra Peterlin, RDMadison, WI 537041851131098
- Deana Preble, R.D., C.D.Madison, WI 537041689010274
- Harini Ramaswamy, RDMadison, WI 537041578437968
- Megan Rolfson, MS, RDN, CDMadison, WI 537041447743042
- Allison Baggot, RDMadison, WI 537031649028465
Common questions
What is Wendy R. Hahn, MS, RD, CD's NPI number?
Wendy R. Hahn, MS, RD, CD's National Provider Identifier (NPI) is 1205299104, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Wendy R. Hahn, MS, RD, CD located?
The NPPES record lists a practice address at 3209 Dryden Dr, Madison, WI, 53704. Phone: (608) 241-9020. Providers update this record themselves, so call before visiting.
How can I verify Wendy R. Hahn, MS, RD, CD's license?
NPPES lists Wisconsin license number 1649-29, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.