What is Lianna Semonsen's NPI number?

Lianna Semonsen's National Provider Identifier (NPI) is 1457223869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lianna Semonsen's specialty?

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

Where is Lianna Semonsen located?

Lianna Semonsen's practice location on file with NPPES is 5285 Meadows Rd Ste 170, Lake Oswego, OR 97035-3478.

What is Lianna Semonsen's phone number?

The practice phone number listed in the NPPES registry for Lianna Semonsen is (503) 726-5216.

Is Lianna Semonsen's NPI active?

Yes — Lianna Semonsen's NPI (1457223869) is active in the NPPES registry as of the last update on 2025-09-23.

IndividualActive

Lianna Semonsen

NPI 1457223869 · Clinical Social Worker · Lake Oswego, OR

Lianna Semonsen is a Clinical Social Worker provider in Lake Oswego, OR (NPI 1457223869).

Provider details

NPI number: 1457223869
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

5285 Meadows Rd Ste 170

Lake Oswego, OR 97035-3478

Phone: (503) 726-5216

Fax: (503) 726-5218

Street-level locationGet directions

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Mailing address