What is Rachel Kosakowski's NPI number?

Rachel Kosakowski's National Provider Identifier (NPI) is 1619869344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Rachel Kosakowski's specialty?

Rachel Kosakowski is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Rachel Kosakowski located?

Rachel Kosakowski's practice location on file with NPPES is 459 E 1st St, Fond Du Lac, WI 54935-4505.

What is Rachel Kosakowski's phone number?

The practice phone number listed in the NPPES registry for Rachel Kosakowski is (920) 929-7528.

Is Rachel Kosakowski's NPI active?

Yes — Rachel Kosakowski's NPI (1619869344) is active in the NPPES registry as of the last update on 2025-07-17.

IndividualActive

Rachel Kosakowski

NPI 1619869344 · Case Manager/Care Coordinator · Fond Du Lac, WI

Rachel Kosakowski is a Case Manager/Care Coordinator provider in Fond Du Lac, WI (NPI 1619869344).

Provider details

NPI number: 1619869344
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Basic profile(48/100 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

459 E 1st St

Fond Du Lac, WI 54935-4505

Phone: (920) 929-7528

Fax: (920) 929-7110

Street-level locationGet directions

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Mailing address