NPPES file of Aug 9, 2026

Justin Aaron Simmons, RD, CDN

Registered Dietitian · New Haven, CT

Justin Aaron Simmons, RD, CDN is a registered dietitian with a practice address in New Haven, Connecticut, and NPI 1336712850, issued on Jul 22, 2021. Check the license 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
1336712850
Name
Justin Aaron Simmons
Credential
RD, CDN
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
428 Columbus Ave, New Haven, CT 06519
Phone
(203) 503-3086
Enumerated
Jul 22, 2021
Record last updated
Jul 22, 2021 (not updated in 5 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 428 Columbus Ave

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

  1. Oluremi AliyuInternal Medicine Physician1023083771
  2. Melissa Alogna, RDHDental Hygienist1225703150
  3. Maria Arauz Pizzurno, D.D.S.Dentist1780949990
  4. Arti Barnes, MD, MBBS, MPHInfectious Disease Physician1013127455
  5. John Booss, MDInternal Medicine Physician1760528194
  6. Teresa Bunn, D.D.S.General Practice Dentistry1871713735

Verify Justin Aaron Simmons in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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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Registered Dietitian providers in Connecticut

There are 824 registered dietitian records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 824 in Connecticut → Every provider in New Haven →

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 Justin Aaron Simmons, RD, CDN's NPI number?

Justin Aaron Simmons, RD, CDN's National Provider Identifier (NPI) is 1336712850, issued on Jul 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Justin Aaron Simmons, RD, CDN located?

The NPPES record lists a practice address at 428 Columbus Ave, New Haven, CT, 06519. Phone: (203) 503-3086. Providers update this record themselves, so call before visiting.

How can I verify Justin Aaron Simmons, RD, CDN's license?

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.

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.