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Search › Washington › Psychiatric/Mental Health Nurse Practitioner

William Koenig, APRN

NPI 1548194640 · on the registry since 2026 · sole proprietor

Practice

Address
187a Tucker Rd
Ethel, WA 98542
Phone
(360) 827-5362
Organisation at this address
Will Koenig, Pmhnp Pllc
Inferred from a shared address, not stated in the registry.

Registry record

Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner
363LP0808X
Licence states on file
WA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-08-16

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Washington