Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. William Glen Maier, MSW

Individual provider Clinical Social Worker · NPI 1548368855

Mr. William Glen Maier, MSW is a Clinical Social Worker in Sequim, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2006
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

9732 Old Olympic Hwy
Sequim, WA 98382-3150
Phone: (360) 681-4399
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW00004075 (WA)

Record details

NPI number1548368855
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 8, 2007

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