NPPES file of Aug 9, 2026

Margaret Diane Horrigan, RD

Registered Dietitian · Milwaukee, WI

Margaret Diane Horrigan, RD is a registered dietitian with a practice address in Milwaukee, Wisconsin, and NPI 1093417214, issued on Mar 21, 2023. Check the license (Wisconsin 86104695, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093417214
Name
Margaret Diane Horrigan
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License numbers
86104695 WI
6202 WI
Self-reported in NPPES; status is on the state search
Practice location
3365 S 103RD St Ste 100, Milwaukee, WI 53227
Phone
(414) 321-3951
Enumerated
Mar 21, 2023
Record last updated
Feb 18, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3365 S 103RD St Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kudus Akinde, M.D.Pediatrics Physician1659365245
  2. Lauren Brierton, LPC, LMHCProfessional Counselor1629860200
  3. Jean Cornell, M.D.Pediatrics Physician1932397585
  4. Kelah Hatcher, MSWClinical Social Worker1144044777
  5. Jean Hoopfer, M.D.Pediatrics Physician1548255706
  6. Susana Morphis, RDRegistered Dietitian1770190498

Verify Margaret Diane Horrigan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 86104695
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

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240 registered dietitian records list a practice address in Milwaukee

They are 240 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,457 registered dietitian records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered dietitian records in Wisconsin

  1. Jerilyn AbbaRipon, WI1487725172
  2. Jennifer Abernathy, RDEau Claire, WI1922136407
  3. Lynn Abitz, RD, CDNeenah, WI1801011127
  4. Austin Abts, RDEau Claire, WI1548939226
  5. Rosemarie Adamski, R.D.Racine, WI1457798357
  6. Dipti Adamson, RD, CDMilwaukee, WI1487884219
  7. Rachel Adler, RD CDColumbus, WI1356519359
  8. Amanda AertsRhinelander, WI1922378579
  9. Jennifer AguirreMenomonee Falls, WI1053901454
  10. Sydney Albarado, RDEllsworth, WI1932910254

Common questions

What is Margaret Diane Horrigan, RD's NPI number?

Margaret Diane Horrigan, RD's National Provider Identifier (NPI) is 1093417214, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Diane Horrigan, RD located?

The NPPES record lists a practice address at 3365 S 103RD St Ste 100, Milwaukee, WI, 53227. Phone: (414) 321-3951. Providers update this record themselves, so call before visiting.

How can I verify Margaret Diane Horrigan, RD's license?

NPPES lists Wisconsin license number 86104695, 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.