NPPES file of Aug 9, 2026

Julian Seth Dayton, PSYD

Psychologist · Bellevue, WA

Julian Seth Dayton, PSYD is a psychologist with a practice address in Bellevue, Washington, and NPI 1356024632, issued on Aug 11, 2023. Check the license with the Washington 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
1356024632
Name
Julian Seth Dayton
Credential
PSYD
Primary taxonomy
Psychologist 103T00000X
Practice location
2370 130TH Ave NE Ste 104, Bellevue, WA 98005
Phone
(425) 628-2820
Enumerated
Aug 11, 2023
Record last updated
Aug 11, 2023
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 2370 130TH Ave NE Ste 104

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

  1. Rebecca Calhoun-ShepardStudent in an Organized Health Care Education/Training Program1790136844
  2. Nicole ClayClinical Psychologist1922534569
  3. Karen Cooper, LMHCMental Health Counselor1659768828
  4. Mackenzie Cummings, MSMental Health Counselor1376226670
  5. Nathan FranksPsychologist1417749326
  6. Brian Humphries, MA, LMHCMental Health Counselor1629798939

Verify Julian Seth Dayton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington 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 Washington license search

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Psychologist providers in Washington

There are 1,089 psychologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,089 in Washington → Every provider in Bellevue →

Other psychologist records in Washington

  1. Leslie Aaron, PH.D.Bellingham, WA1639108095
  2. Benjamin AaronsonSeattle, WA1497108880
  3. Maleeha AbbasSeattle, WA1326406836
  4. Janet Abrams, PSYDSeattle, WA1255480711
  5. Philip Abrego, PH.D.Seattle, WA1760403976
  6. Daisy Aceves, PHDSeattle, WA1144947441
  7. Karen Acheson, PHDPuyallup, WA1841346921
  8. Brian Adams, PHDVancouver, WA1275638181
  9. Lisa Adriance, PHDEverett, WA1235186917
  10. Geetika Agarwal, PH.D.Seattle, WA1730453978

Common questions

What is Julian Seth Dayton, PSYD's NPI number?

Julian Seth Dayton, PSYD's National Provider Identifier (NPI) is 1356024632, issued on Aug 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Julian Seth Dayton, PSYD located?

The NPPES record lists a practice address at 2370 130TH Ave NE Ste 104, Bellevue, WA, 98005. Phone: (425) 628-2820. Providers update this record themselves, so call before visiting.

How can I verify Julian Seth Dayton, PSYD's license?

Search the Washington 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.