What is Sarah Hammer's NPI number?

Sarah Hammer's National Provider Identifier (NPI) is 1811296031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sarah Hammer's specialty?

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

Where is Sarah Hammer located?

Sarah Hammer's practice location on file with NPPES is 2075 Vinland St, Oshkosh, WI 54901-1849.

What is Sarah Hammer's phone number?

The practice phone number listed in the NPPES registry for Sarah Hammer is (920) 379-9854.

Is Sarah Hammer's NPI active?

Yes — Sarah Hammer's NPI (1811296031) is active in the NPPES registry as of the last update on 2026-01-15.

IndividualActive

Sarah Hammer, MSN, RN, IBCLC

NPI 1811296031 · Registered Nurse · Oshkosh, WI

Sarah Hammer, MSN, RN, IBCLC is a Registered Nurse provider in Oshkosh, WI (NPI 1811296031).

Provider details

NPI number: 1811296031
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: MSN, RN, IBCLC
Sex: Female
Sole proprietor: Yes
License: 176079-030 (WI)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 176079-030 (WI)
Nursing Service Providers

Profile Score

Detailed profile(82/100 index)

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

Registry tenure38% of score
15 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

2075 Vinland St

Oshkosh, WI 54901-1849

Phone: (920) 379-9854

Street-level locationGet directions

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Mailing address