NPPES file of Aug 9, 2026

Katherine Obrien, RD

Registered Dietitian · Tolland, CT

Katherine Obrien, RD is a registered dietitian with a practice address in Tolland, Connecticut, and NPI 1639044795, issued on Oct 8, 2025. 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
1639044795
Name
Katherine Obrien
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
166 Noah LN, Tolland, CT 06084
Phone
(860) 817-1409
Enumerated
Oct 8, 2025
Record last updated
Oct 8, 2025
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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Verify Katherine Obrien 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
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6 registered dietitian records list a practice address in Tolland

They are 6 of the 162 NPPES records with a practice address in Tolland, and 824 registered dietitian records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6 in Tolland → All 824 in Connecticut → Every provider in Tolland →

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 Katherine Obrien, RD's NPI number?

Katherine Obrien, RD's National Provider Identifier (NPI) is 1639044795, issued on Oct 8, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Obrien, RD located?

The NPPES record lists a practice address at 166 Noah LN, Tolland, CT, 06084. Phone: (860) 817-1409. Providers update this record themselves, so call before visiting.

How can I verify Katherine Obrien, RD'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.