Elizabeth Lake Irwin, PHD
Clinical Psychologist · Issaquah, WA
Elizabeth Lake Irwin, PHD is a clinical psychologist with a practice address in Issaquah, Washington, and NPI 1821260159, issued on Mar 26, 2008. Check the license (Washington PY00003798, 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.
- Name
- Elizabeth Lake Irwin
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PY00003798 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5837 221St PL SE, Issaquah, WA 98027
- Phone
- (425) 391-0887
- Enumerated
- Mar 26, 2008
- Record last updated
- Mar 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,675 in Washington → Look up another NPI →
Also registered at 5837 221St PL SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elizabeth Lake Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PY00003798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Elizabeth Lake Irwin among 1,675 clinical psychologist records in Washington
Elizabeth Lake Irwin, PHD is one of 1,675 clinical psychologist records with a practice address in Washington. 13% 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 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 53% newer
- In a Medicare fileNo · 13% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 clinical psychologist records list a practice address in Issaquah
They are 38 of the 1,727 NPPES records with a practice address in Issaquah, and 1,675 clinical psychologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,675 in Washington → Every provider in Issaquah → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Dianne Anderson, PHDIssaquah, WA 980271568511475
- Sally Bliss, PH.DIssaquah, WA 980271205973633
- Laureen Light, PH.D.Issaquah, WA 980271316017114
- Vivien Phillips, PSY.D.Issaquah, WA 980271770640179
- Michael Phillips, PSY.D.Issaquah, WA 980271497803001
- Patrick Reilly, PH.D.Issaquah, WA 980271427249895
- Kimberly SatenbergIssaquah, WA 980271821104225
- Lisa Shaw, PH.D.Issaquah, WA 980271770656258
Common questions
What is Elizabeth Lake Irwin, PHD's NPI number?
Elizabeth Lake Irwin, PHD's National Provider Identifier (NPI) is 1821260159, issued on Mar 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Lake Irwin, PHD located?
The NPPES record lists a practice address at 5837 221St PL SE, Issaquah, WA, 98027. Phone: (425) 391-0887. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Lake Irwin, PHD's license?
NPPES lists Washington license number PY00003798, 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.
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.