NPPES file of Aug 9, 2026

Rachel Diorio

Psychologist · Darien, CT

Rachel Diorio is a psychologist with a practice address in Darien, Connecticut, and NPI 1598297004, issued on Apr 3, 2017. Check the license (Connecticut 003622, 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
1598297004
Name
Rachel Diorio
Primary taxonomy
Psychologist 103T00000X
License number
003622 CT
Self-reported in NPPES; status is on the state search
Practice location
85 Old Kings Hwy N, Darien, CT 06820
Phone
(203) 202-7654
Enumerated
Apr 3, 2017
Record last updated
Apr 3, 2017 (not updated in 9 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 85 Old Kings Hwy N

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

  1. Lauren Alcan, LCSWClinical Social Worker1063052496
  2. Jonathan Bowman, M.D.Vascular Surgery Physician1104851294
  3. Sara Callahan, LPCProfessional Counselor1063843860
  4. Lenore DweckBehavior Analyst1962042473
  5. Cynthia KeefeClinical Psychologist1912250093
  6. Taras Kucher, M.D.Vascular Surgery Physician1942210851

Verify Rachel Diorio 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 003622
    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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15 psychologist records list a practice address in Darien

They are 15 of the 380 NPPES records with a practice address in Darien, and 649 psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychologist records in Connecticut

  1. David Abrams, PSY.D.Guilford, CT1427231752
  2. Joshua Acocella-Stollerman, PSY.D.East Haddam, CT1043515356
  3. Harry Adamakos, PH.D.Bridgeport, CT1225172786
  4. Ragne Adams, M. A.New Haven, CT1922260306
  5. Thomas Adams, PHDNew Haven, CT1639683188
  6. Jessica Addington, PSY.D.Glastonbury, CT1881817013
  7. Frederic Agate, PHDDarien, CT1699501353
  8. Rosemary AielloPlainville, CT1649318304
  9. Maysa AkbarNew Haven, CT1720056864
  10. Eguono Akpoduado, PSY.D.Groton, CT1245956978

Common questions

What is Rachel Diorio's NPI number?

Rachel Diorio's National Provider Identifier (NPI) is 1598297004, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Diorio located?

The NPPES record lists a practice address at 85 Old Kings Hwy N, Darien, CT, 06820. Phone: (203) 202-7654. Providers update this record themselves, so call before visiting.

How can I verify Rachel Diorio's license?

NPPES lists Connecticut license number 003622, 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.