What is Alessandra Alonso's NPI number?

Alessandra Alonso's National Provider Identifier (NPI) is 1700375672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alessandra Alonso's specialty?

Alessandra Alonso is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Alessandra Alonso located?

Alessandra Alonso's practice location on file with NPPES is 1600 S Lane St, Seattle, WA 98144-2810.

What is Alessandra Alonso's phone number?

The practice phone number listed in the NPPES registry for Alessandra Alonso is (206) 682-2371.

Is Alessandra Alonso's NPI active?

Yes — Alessandra Alonso's NPI (1700375672) is active in the NPPES registry as of the last update on 2025-05-19.

IndividualActive

Alessandra Alonso

NPI 1700375672 · Social Worker · Seattle, WA

Alessandra Alonso is a Social Worker provider in Seattle, WA (NPI 1700375672).

Provider details

NPI number: 1700375672
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: SC61577855 (WA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense SC61577855 (WA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(68/100 index)

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

Registry tenure38% of score
8 yrs in NPPES registry
Profile completeness38% of score
100% 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

1600 S Lane St

Seattle, WA 98144-2810

Phone: (206) 682-2371

Street-level locationGet directions

More WA providers

Mailing address