NPPES file of Aug 9, 2026

Stephen Kelly Greenhouse, PSY.D.

Psychologist · Everett, WA

Stephen Kelly Greenhouse, PSY.D. is a psychologist with a practice address in Everett, Washington, and NPI 1518088566, issued on Apr 3, 2007. Check the license (Washington PY00003708, as entered in NPPES) 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
1518088566
Name
Stephen Kelly Greenhouse
Credential
PSY.D.
Primary taxonomy
Psychologist 103T00000X
License number
PY00003708 WA
Self-reported in NPPES; status is on the state search
Practice location
1728 W Marine View Dr, Everett, WA 98201
Phone
(425) 252-9216
Enumerated
Apr 3, 2007
Record last updated
Mar 24, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(425) 252-8637
Medicare enrollment
Enrolled (PECOS I20080319000525); accepts 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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8 nearest psychologist records → All 1,089 in Washington → Look up another NPI →

Also registered at 1728 W Marine View Dr

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

  1. Benjamin Aleshire, PH.D.Clinical Psychologist1891826558
  2. Charline ArendsMarriage & Family Therapist1790856060
  3. Jamie Bagley, DNPPsychiatric/Mental Health Nurse Practitioner1700427663
  4. Tyson Bailey, PSYDClinical Psychologist1366739435
  5. Kathryn BiettePsychiatric/Mental Health Nurse Practitioner1790334712
  6. Joshua Boguch, M.D.Child & Adolescent Psychiatry Physician1154764223

Verify Stephen Kelly Greenhouse in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PY00003708    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 Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Stephen Kelly Greenhouse among 1,089 psychologist records in Washington

Stephen Kelly Greenhouse, PSY.D. is one of 1,089 psychologist records with a practice address in Washington. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 27% of them.

  • NPI issued2007 · 27% of these records are older, 56% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2006 · median 2009 among the 226 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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 Everett → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Lisa Adriance, PHDEverett, WA 982011235186917
  2. Howard Aposhyan, PHDEverett, WA 982011407802507
  3. Charles Benincasa, PSYDEverett, WA 982011922649557
  4. Theresa Buysse, PH.D.Everett, WA 982011720423650
  5. Steve Clancy, PH.D.Everett, WA 982011972612687
  6. Kathi Jackson, PHDEverett, WA 982011144266438
  7. Jill Jacobson, PHDEverett, WA 982011679723050
  8. Kira Mauseth, PH.D.Everett, WA 982011770816811

Common questions

What is Stephen Kelly Greenhouse, PSY.D.'s NPI number?

Stephen Kelly Greenhouse, PSY.D.'s National Provider Identifier (NPI) is 1518088566, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Kelly Greenhouse, PSY.D. located?

The NPPES record lists a practice address at 1728 W Marine View Dr, Everett, WA, 98201. Phone: (425) 252-9216. Providers update this record themselves, so call before visiting.

How can I verify Stephen Kelly Greenhouse, PSY.D.'s license?

NPPES lists Washington license number PY00003708, as entered by the provider. 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.