NPPES file of Aug 9, 2026

Margaret Louise Mangan, RDN

Registered Dietitian · Raleigh, NC

Margaret Louise Mangan, RDN is a registered dietitian with a practice address in Raleigh, North Carolina, and NPI 1215386685, issued on Jun 7, 2016. Check the license (North Carolina L004314, as entered in NPPES) with the North Carolina 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
1215386685
Name
Margaret Louise Mangan
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
L004314 NC
Self-reported in NPPES; status is on the state search
Practice location
4200 Lake Boone Trl, Raleigh, NC 27607
Phone
(919) 784-3419
Enumerated
Jun 7, 2016
Record last updated
Apr 2, 2026
Fax
(919) 784-3094
Medicare enrollment
Enrolled (PECOS I20170105000794); 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 4200 Lake Boone Trl

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

  1. Sheri Allen, RD, RDN, LDNRegistered Dietitian1114211158
  2. Katherine Brown, RDRegistered Dietitian1982202982
  3. Ashley Honeycutt, L.D.N., R.D.Registered Dietitian1134318843
  4. Beth King, NURSE PRACTITIONERCritical Care Neonatal Nurse Practitioner1245535475
  5. Kathryn Prafka, RD/LDN, CDERegistered Dietitian1932558509
  6. Shelly Wegman, RD, LDNRegistered Dietitian1417165176

Verify Margaret Louise Mangan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license L004314    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 North Carolina 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. Rex Hospital IncRaleigh, NC

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

315 registered dietitian records list a practice address in Raleigh

They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 2,704 registered dietitian records in North Carolina.

All 315 in Raleigh → All 2,704 in North Carolina → Every provider in Raleigh →

Other registered dietitian records in North Carolina

  1. Samara Abbott, RDCharlotte, NC1942754031
  2. Mark AbesamisCharlotte, NC1730667825
  3. Christie Achenbach, MS, RD, CSSD, CSCSFort Liberty, NC1497088132
  4. Ashley Acornley, RD, LDNRaleigh, NC1023397551
  5. Hallee Acquanita, MS, RD, LD, CDCESRaleigh, NC1336721398
  6. Rachel Adamkowski, RD, LDNCharlotte, NC1528825080
  7. Cara Adams, RDFort Liberty, NC1881205672
  8. Carlisha AdamsDunn, NC1215774765
  9. Tilusha Adams, RD, LDNGreensboro, NC1902128408
  10. Natalie Adamson, MPH RD LDNChapel Hill, NC1417309071

Common questions

What is Margaret Louise Mangan, RDN's NPI number?

Margaret Louise Mangan, RDN's National Provider Identifier (NPI) is 1215386685, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Louise Mangan, RDN located?

The NPPES record lists a practice address at 4200 Lake Boone Trl, Raleigh, NC, 27607. Phone: (919) 784-3419. Providers update this record themselves, so call before visiting.

How can I verify Margaret Louise Mangan, RDN's license?

NPPES lists North Carolina license number L004314, as entered by the provider. Search the North Carolina 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.