NPPES file of Aug 9, 2026

Lellieth Keize, REGISTERED DIETITIAN

Registered Dietitian · Darien, CT

Lellieth Keize, REGISTERED DIETITIAN is a registered dietitian with a practice address in Darien, Connecticut, and NPI 1043582026, issued on Feb 6, 2012. Check the license (Connecticut 965780, 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
1043582026
Name
Lellieth Keize
Credential
REGISTERED DIETITIAN
Primary taxonomy
Registered Dietitian 133V00000X
License number
965780 CT
Self-reported in NPPES; status is on the state search
Practice location
19 Old Kings Hwy S Ste 200, Darien, CT 06820
Phone
(203) 952-3534
Enumerated
Feb 6, 2012
Record last updated
Sep 15, 2025
Fax
(203) 803-4697
Medicare enrollment
Enrolled (PECOS I20200403001048); may accept 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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Verify Lellieth Keize 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 965780
    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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9 registered dietitian records list a practice address in Darien

They are 9 of the 380 NPPES records with a practice address in Darien, 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 Lellieth Keize, REGISTERED DIETITIAN's NPI number?

Lellieth Keize, REGISTERED DIETITIAN's National Provider Identifier (NPI) is 1043582026, issued on Feb 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Lellieth Keize, REGISTERED DIETITIAN located?

The NPPES record lists a practice address at 19 Old Kings Hwy S Ste 200, Darien, CT, 06820. Phone: (203) 952-3534. Providers update this record themselves, so call before visiting.

How can I verify Lellieth Keize, REGISTERED DIETITIAN's license?

NPPES lists Connecticut license number 965780, 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.