MR. WILLIAM GLEN MAIER (M.S.W.) – Clinical Social Worker, NPI 1548368855

Clinical Social Worker

MR. WILLIAM GLEN MAIER (M.S.W.) is a healthcare provider. based in Sequim, Washington. specializing in Clinical Social Worker. They hold the professional credentials M.S.W.. They hold a License No. LW00004075 (WA). The NPI Number for MR. WILLIAM GLEN MAIER (M.S.W.) is 1548368855

Main info

Male

Sole Proprietor

Name

MR. WILLIAM GLEN MAIER (M.S.W.)

NPI

1548368855

Phone

(360) 681-4399

Address

9732 OLD OLYMPIC HWY

Enumeration Date

20 September 2006

Last Update Date

8 July 2007

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MR. WILLIAM GLEN MAIER (M.S.W.)

9732, Old Olympic Highway, Sequim, Clallam County, Washington, 98382, United States
SEQUIM, WA 983823150
Phone: (360) 681-4399
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98382)

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Reviews

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Frequently asked questions

Can I verify MR. WILLIAM GLEN MAIER (M.S.W.) with an NPI only?

You can start verification with NPI 1548368855 for MR. WILLIAM GLEN MAIER (M.S.W.), then check state licensing separately.

Does CMS list MR. WILLIAM GLEN MAIER (M.S.W.) as active?

Yes — MR. WILLIAM GLEN MAIER (M.S.W.) is active in the NPI listing used on this page.

What healthcare role does MR. WILLIAM GLEN MAIER (M.S.W.) hold?

Scheduling teams often label MR. WILLIAM GLEN MAIER (M.S.W.) under Clinical Social Worker. Clinical services aligned with this taxonomy classification.

Where is MR. WILLIAM GLEN MAIER (M.S.W.) based?

MR. WILLIAM GLEN MAIER (M.S.W.) is tied to Sequim, Washington in the data we show; additional addresses may exist on the full record.

How many locations tie to this NPI?

2 practice locations appear in the available data.