NPPES file of Aug 9, 2026

Nancy Margaret Ryan, MS RD CDE CD N

Registered Dietitian · Greenwich, CT

Nancy Margaret Ryan, MS RD CDE CD N is a registered dietitian with a practice address in Greenwich, Connecticut, and NPI 1407966922, issued on Aug 30, 2006. Check the license (Connecticut 000181, as entered in NPPES) with the Connecticut 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
1407966922
Name
Nancy Margaret Ryan
Credential
MS RD CDE CD N
Primary taxonomy
Registered Dietitian 133V00000X
License number
000181 CT
Self-reported in NPPES; status is on the state search
Practice location
159 W Putnam Ave FL 2, Greenwich, CT 06830
Phone
(203) 622-4416
Enumerated
Aug 30, 2006
Record last updated
Jun 21, 2019 (not updated in 7 years: call before relying on the address or phone)
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 159 W Putnam Ave FL 2

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

  1. Maureen Steele, M.D.Internal Medicine Physician1114945623

Verify Nancy Margaret Ryan 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 000181
    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

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23 registered dietitian records list a practice address in Greenwich

They are 23 of the 1,184 NPPES records with a practice address in Greenwich, and 824 registered dietitian records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Nancy Margaret Ryan, MS RD CDE CD N's NPI number?

Nancy Margaret Ryan, MS RD CDE CD N's National Provider Identifier (NPI) is 1407966922, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Margaret Ryan, MS RD CDE CD N located?

The NPPES record lists a practice address at 159 W Putnam Ave FL 2, Greenwich, CT, 06830. Phone: (203) 622-4416. Providers update this record themselves, so call before visiting.

How can I verify Nancy Margaret Ryan, MS RD CDE CD N's license?

NPPES lists Connecticut license number 000181, 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. 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.