What is Sonja Henderson's NPI number?

Sonja Henderson's National Provider Identifier (NPI) is 1043185499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sonja Henderson's specialty?

Sonja Henderson is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Sonja Henderson located?

Sonja Henderson's practice location on file with NPPES is 16516 10th Ave Ne, Shoreline, WA 98155-5904.

What is Sonja Henderson's phone number?

The practice phone number listed in the NPPES registry for Sonja Henderson is (206) 393-4272.

Is Sonja Henderson's NPI active?

Yes — Sonja Henderson's NPI (1043185499) is active in the NPPES registry as of the last update on 2025-10-07.

IndividualActive

Sonja Henderson, OTR/L

NPI 1043185499 · Occupational Therapist · Shoreline, WA

Sonja Henderson, OTR/L is a Occupational Therapist provider in Shoreline, WA (NPI 1043185499).

Provider details

NPI number: 1043185499
Entity type: Individual
Primary specialty: Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: OTR/L
Sole proprietor: No

Specialties & taxonomies

Occupational TherapistPrimary225X00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(57/100 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
4 documented practice locations

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

16516 10th Ave Ne

Shoreline, WA 98155-5904

Phone: (206) 393-4272

Street-level locationGet directions

More WA providers

Mailing address

16516 10th Ave Ne

Shoreline, WA 98155-5904

Additional practice locations (3)

17447 37th Ave Ne
Lake Forest Park, WA 98155-5430
Phone: (206) 393-4140
19343 3rd Ave Nw
Shoreline, WA 98177-3012
Phone: (206) 393-4730
1900 N 170th St
Shoreline, WA 98133-5537
Phone: (206) 393-4350

Enumerated: 2025-10-07
Last updated: 2025-10-07
Certified: 2025-10-07

Frequently asked questions

What is Sonja Henderson's NPI number?: Sonja Henderson's National Provider Identifier (NPI) is 1043185499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sonja Henderson's specialty?: Sonja Henderson is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Sonja Henderson located?: Sonja Henderson's practice location on file with NPPES is 16516 10th Ave Ne, Shoreline, WA 98155-5904.
What is Sonja Henderson's phone number?: The practice phone number listed in the NPPES registry for Sonja Henderson is (206) 393-4272.
Is Sonja Henderson's NPI active?: Yes — Sonja Henderson's NPI (1043185499) is active in the NPPES registry as of the last update on 2025-10-07.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.