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 is a Mental Health Counselor 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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