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

Nicholas S Liddick

Individual provider Behavior Analyst · NPI 1932091261

Nicholas S Liddick is a Behavior Analyst in Issaquah, Washington. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

600 NW Gilman Blvd
Issaquah, WA 98027-2445
Phone: (607) 592-3050
Show map & directions

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

Additional practice locations (1)

  • 1375 Nw Mall St, Issaquah, WA 98027-8950 — (607) 592-3050

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-25-79091

Record details

NPI number1932091261
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 21, 2025
Last updated in NPPESJuly 21, 2025
Certification dateJuly 20, 2025
Mailing address7415 5th Ave Ne Apt 112, Seattle, WA 98115-5368

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