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

Holly Grigsby, PLLC

Organization Mental Health Counselor · NPI 1922592062

Holly Grigsby, PLLC provides Mental Health Counselor services in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018
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

3213 Harbor Ave SW Ste 1
Seattle, WA 98126-4600
Phone: (206) 552-0504
Fax: (206) 590-5922
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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 · Licence LH60835736 (WA)

Record details

NPI number1922592062
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Holly Grigsby — Owner · (206) 552-0504
Other names Holly Grigsby Psychotherapy; Holly Grigsby, Ma, Lmhc; Holly Grigsby, Ma, Lmhc; Holly Grigsby, Ma, Lmhca, Pllc
NPI enumeratedJune 21, 2018
Last updated in NPPESMay 23, 2023
Certification dateAugust 4, 2022
Mailing address3213 Harbor Ave Sw Ste 1, Seattle, WA 98126-4600

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