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

Open Book Counseling PLLC

Organization Mental Health Counselor · NPI 1619621067

Open Book Counseling PLLC provides Mental Health Counselor services in Seattle, Washington. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

415 1st Ave N Unit 9584
Seattle, WA 98109-4594
Phone: (206) 395-4131
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1619621067
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Weidenborner — Owner/Psychotherapist · (206) 395-4131
NPI enumeratedFebruary 4, 2022
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024
Mailing address415 1st Ave N Unit 9584, Seattle, WA 98109-4594

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