NPPES file of Aug 9, 2026

Heather Gwen Milligan, R.D.

Registered Dietitian · New Milford, CT

Heather Gwen Milligan, R.D. is a registered dietitian with a practice address in New Milford, Connecticut, and NPI 1487894150, issued on Feb 20, 2009. Check the license (Connecticut 000523, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1487894150
Name
Heather Gwen Milligan
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
000523 CT
Self-reported in NPPES; status is on the state search
Practice location
21 Elm Street, New Milford, CT 06776
Phone
(860) 350-7289
Enumerated
Feb 20, 2009
Record last updated
Feb 20, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090421000158); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 21 Elm Street

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

  1. Mary Derrane, MDEmergency Medicine Physician1366637084
  2. Michele Macdonnell, R.D.Registered Dietitian1003056771

Verify Heather Gwen Milligan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 000523
    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 Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Nuvance Health Medical Practice CT IncNewtown, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

6 registered dietitian records list a practice address in New Milford

They are 6 of the 332 NPPES records with a practice address in New Milford, and 824 registered dietitian records in Connecticut.

Other registered dietitian records in Connecticut

  1. Kirsten AckermanNew Haven, CT1396298485
  2. Emily AcriNew Haven, CT1962245639
  3. Natalie Adamson, RD,CD-NTorrington, CT1942585054
  4. Merril Adelman, R.D.Norwalk, CT1801125471
  5. Maja Aganovic, RD, LDNNew Haven, CT1356142418
  6. Susan Agnes, RDEast Granby, CT1518225051
  7. Whitney Ahneman, M.S. R.D.Stamford, CT1861785545
  8. Eekra Ahsan, RDGlastonbury, CT1780451229
  9. Nora Ainsworth, MS, RDN, CDNSouthington, CT1851891634
  10. Rachel Aiudi, DCN, RDNNew Haven, CT1164303889

Common questions

What is Heather Gwen Milligan, R.D.'s NPI number?

Heather Gwen Milligan, R.D.'s National Provider Identifier (NPI) is 1487894150, issued on Feb 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Heather Gwen Milligan, R.D. located?

The NPPES record lists a practice address at 21 Elm Street, New Milford, CT, 06776. Phone: (860) 350-7289. Providers update this record themselves, so call before visiting.

How can I verify Heather Gwen Milligan, R.D.'s license?

NPPES lists Connecticut license number 000523, as entered by the provider. Search the Connecticut 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. Medicare files from data.cms.gov. 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.