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

William Andrew Markert

Individual provider Counselor · NPI 1588440283

William Andrew Markert is a Counselor in Seattle, Washington. Works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2023
Specialties on file
2

Practice location Address checks out

1116 Summit Ave
Seattle, WA 98101-2831
Phone: (206) 726-4100
Show map & directions

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

Additional practice locations (1)

  • 14040 15th Ave Ne Apt 9e, Seattle, WA 98125-3118 — (206) 595-4319

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence SC61561356 (WA)
Counselor Taxonomy 101Y00000X

Record details

NPI number1588440283
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 7, 2023
Last updated in NPPESJuly 23, 2024
Certification dateJuly 23, 2024

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