Cynthia Jeanne Irwin, LICSW
Clinical Social Worker · Seattle, WA
Cynthia Jeanne Irwin, LICSW is a clinical social worker with a practice address in Seattle, Washington, and NPI 1063985232, issued on Jan 9, 2019. Check the license (Washington SC60429425, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cynthia Jeanne Irwin
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- SC60429425 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9709 3RD Ave NE, Seattle, WA 98115
- Phone
- (206) 329-1760
- Enumerated
- Jan 9, 2019
- Record last updated
- Mar 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20221123000788); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Also registered at 9709 3RD Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cynthia Jeanne 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 SC60429425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Polyclinic PLLCSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Jeanne Irwin among 6,382 clinical social worker records in Washington
Cynthia Jeanne Irwin, LICSW is one of 6,382 clinical social worker records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 60% of them.
- NPI issued2019 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 15% of these records are
- Graduated2011 · median 2010 among the 984 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,704 clinical social worker records list a practice address in Seattle
They are 1,704 of the 41,956 NPPES records with a practice address in Seattle, and 6,382 clinical social worker records in Washington.
All 6,382 in Washington → Every provider in Seattle → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- James AultmanSeattle, WA 981151043320948
- Judith Cantor, MSWSeattle, WA 981151194898049
- Edward Crouch, M.S.W.Seattle, WA 981151588613624
- Beth GeenseSeattle, WA 981151548353105
- Elizabeth HessSeattle, WA 981151104912955
- Carl Hilton Vanosdall, LICSWSeattle, WA 981151710918073
- Richard Justin, LICSWSeattle, WA 981151831257732
- Douglas LeroySeattle, WA 981151396839718
Common questions
What is Cynthia Jeanne Irwin, LICSW's NPI number?
Cynthia Jeanne Irwin, LICSW's National Provider Identifier (NPI) is 1063985232, issued on Jan 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Jeanne Irwin, LICSW located?
The NPPES record lists a practice address at 9709 3RD Ave NE, Seattle, WA, 98115. Phone: (206) 329-1760. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Jeanne Irwin, LICSW's license?
NPPES lists Washington license number SC60429425, 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. Medicare files from data.cms.gov. 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.