What is Niels Olsen's NPI number?

Niels Olsen's National Provider Identifier (NPI) is 1427935907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Niels Olsen's specialty?

Niels Olsen is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Niels Olsen located?

Niels Olsen's practice location on file with NPPES is 515 3rd Ave, Seattle, WA 98104-2304.

What is Niels Olsen's phone number?

The practice phone number listed in the NPPES registry for Niels Olsen is (206) 464-1570.

Is Niels Olsen's NPI active?

Yes — Niels Olsen's NPI (1427935907) is active in the NPPES registry as of the last update on 2025-08-18.

IndividualActive

Niels Olsen

NPI 1427935907 · Registered Nurse · Seattle, WA

Niels Olsen is a Registered Nurse provider in Seattle, WA (NPI 1427935907).

Provider details

NPI number: 1427935907
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: No
License: RN70020432 (WA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN70020432 (WA)
Nursing Service Providers

Profile Score

Established profile(54/100 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
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

515 3rd Ave

Seattle, WA 98104-2304

Phone: (206) 464-1570

Street-level locationGet directions

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Mailing address