What is Klayton Larsson's NPI number?

Klayton Larsson's National Provider Identifier (NPI) is 1689514739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Klayton Larsson's specialty?

Klayton Larsson is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Klayton Larsson located?

Klayton Larsson's practice location on file with NPPES is 22415 Se 231st St Ste B103, Maple Valley, WA 98038-5002.

What is Klayton Larsson's phone number?

The practice phone number listed in the NPPES registry for Klayton Larsson is (425) 906-4300.

Is Klayton Larsson's NPI active?

Yes — Klayton Larsson's NPI (1689514739) is active in the NPPES registry as of the last update on 2026-03-30.

IndividualActive

Klayton Larsson

NPI 1689514739 · Behavior Technician · Maple Valley, WA

Klayton Larsson is a Behavior Technician provider in Maple Valley, WA (NPI 1689514739).

Provider details

NPI number: 1689514739
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

22415 Se 231st St Ste B103

Maple Valley, WA 98038-5002

Phone: (425) 906-4300

Fax: (425) 906-4321

Street-level locationGet directions

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Mailing address