Gretchen Holtz, MSW, LICSW
Clinical Social Worker · Seattle, WA
Gretchen Holtz, MSW, LICSW is a clinical social worker with a practice address in Seattle, Washington, and NPI 1629402615, issued on Aug 26, 2013. Check the license (Washington LW61457871, 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
- Gretchen Holtz
- Credential
- MSW, LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LW61457871 WA
Self-reported in NPPES; status is on the state search - Practice location
- 320 NE 97TH St, Seattle, WA 98115
- Phone
- (425) 640-7009
- Enumerated
- Aug 26, 2013
- Record last updated
- Jul 31, 2024
- Entity
- Type 1 · individual
Also registered at 320 NE 97TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gretchen Holtz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW61457871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,704 in Seattle → All 6,382 in Washington → Every provider in Seattle →
Other clinical social worker records in Washington
- Anita Abba Richard, LCMSWPort Townsend, WA1376613364
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- Medina AbdiSeattle, WA1316422520
- Amal AbdulrahmanRenton, WA1104406008
- Elizabeth AbebefeSeattle, WA1376926899
- Lorena Abenojar, MSW, LICSWSeattle, WA1457018517
- Jenna Abrams, LCSW, LICSWDupont, WA1710595301
- Anna AbramyanSpokane, WA1346766714
- Eduardo Abuyog, L.I.C.S.W.Tukwila, WA1912078361
- Isis Acevedo GonzalezYakima, WA1184216392
Common questions
What is Gretchen Holtz, MSW, LICSW's NPI number?
Gretchen Holtz, MSW, LICSW's National Provider Identifier (NPI) is 1629402615, issued on Aug 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Holtz, MSW, LICSW located?
The NPPES record lists a practice address at 320 NE 97TH St, Seattle, WA, 98115. Phone: (425) 640-7009. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Holtz, MSW, LICSW's license?
NPPES lists Washington license number LW61457871, 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.