William Glen Maier, M.S.W.
Clinical Social Worker · Sequim, WA
William Glen Maier, M.S.W. is a clinical social worker with a practice address in Sequim, Washington, and NPI 1548368855, issued on Sep 20, 2006. Check the license (Washington LW00004075, 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
- William Glen Maier
- Credential
- M.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LW00004075 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9732 Old Olympic Hwy, Sequim, WA 98382
- Phone
- (360) 681-4399
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Also registered at 9732 Old Olympic Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael McBride, PH.D.Psychologist1750507117
- Robert Nuffer, LCSWClinical Social Worker1346379765
- Katijean Thorpe, LCSWClinical Social Worker1770817660
Verify William Glen Maier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW00004075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Glen Maier among 6,382 clinical social worker records in Washington
William Glen Maier, M.S.W. 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 not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 90% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2007 · 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).
18 clinical social worker records list a practice address in Sequim
They are 18 of the 530 NPPES records with a practice address in Sequim, 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 6,382 in Washington → Every provider in Sequim → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Skyla BakerSequim, WA 983821285135475
- Bradi BergesenSequim, WA 983821881161057
- Lorena BessSequim, WA 983821508364878
- Heidi HustSequim, WA 983821295496081
- Mary Denise Jimenez, LICSWSequim, WA 983821710631577
- Sheryl Kalbach, MSW, LICSWSequim, WA 983821811657786
- Michelle KustermanSequim, WA 983821518497411
- Dawn Novotny, LMSWSequim, WA 983821881711430
Common questions
What is William Glen Maier, M.S.W.'s NPI number?
William Glen Maier, M.S.W.'s National Provider Identifier (NPI) is 1548368855, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Glen Maier, M.S.W. located?
The NPPES record lists a practice address at 9732 Old Olympic Hwy, Sequim, WA, 98382. Phone: (360) 681-4399. Providers update this record themselves, so call before visiting.
How can I verify William Glen Maier, M.S.W.'s license?
NPPES lists Washington license number LW00004075, 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.