What is Sydney Nielsen's NPI number?

Sydney Nielsen's National Provider Identifier (NPI) is 1770411415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sydney Nielsen's specialty?

Sydney Nielsen is listed in the NPPES registry with a primary specialty of School Registered Nurse (Nursing Service Providers).

Where is Sydney Nielsen located?

Sydney Nielsen's practice location on file with NPPES is 1200 W Wausau Ave, Wausau, WI 54401-2873.

What is Sydney Nielsen's phone number?

The practice phone number listed in the NPPES registry for Sydney Nielsen is (715) 261-0914.

Is Sydney Nielsen's NPI active?

Yes — Sydney Nielsen's NPI (1770411415) is active in the NPPES registry as of the last update on 2026-05-12.

IndividualActive

Sydney Nielsen

NPI 1770411415 · School Registered Nurse · Wausau, WI

Sydney Nielsen is a School Registered Nurse provider in Wausau, WI (NPI 1770411415).

Provider details

NPI number: 1770411415
Entity type: Individual
Primary specialty: School Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: No
License: 259684-30 (WI)

Specialties & taxonomies

School Registered NursePrimary163WS0200XLicense 259684-30 (WI)
Nursing Service Providers

Profile Score

Established profile(53/100 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

1200 W Wausau Ave

Wausau, WI 54401-2873

Phone: (715) 261-0914

Street-level locationGet directions

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Mailing address