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

Heidi L Knickerbocker, RN

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1154893311

Heidi L Knickerbocker, RN is an Adult Psychiatric/Mental Health Registered Nurse in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2018
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

509 3rd Ave
Seattle, WA 98104-3282
Phone: (206) 464-1570
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X · Licence RN60478116 (WA)

Record details

NPI number1154893311
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedDecember 27, 2018
Last updated in NPPESDecember 27, 2018
Mailing address509 3rd Ave, Seattle, WA 98104-3282

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