What is Mattie Nicholson's NPI number?

Mattie Nicholson's National Provider Identifier (NPI) is 1366230146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mattie Nicholson's specialty?

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

Where is Mattie Nicholson located?

Mattie Nicholson's practice location on file with NPPES is 2722 Eddy Ln, Eau Claire, WI 54703-1204.

What is Mattie Nicholson's phone number?

The practice phone number listed in the NPPES registry for Mattie Nicholson is (608) 495-0958.

Is Mattie Nicholson's NPI active?

Yes — Mattie Nicholson's NPI (1366230146) is active in the NPPES registry as of the last update on 2025-04-30.

IndividualActive

Mattie Nicholson, CSW

NPI 1366230146 · Social Worker · Eau Claire, WI

Mattie Nicholson, CSW is a Social Worker provider in Eau Claire, WI (NPI 1366230146).

Provider details

NPI number: 1366230146
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: CSW
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social 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
1 yr in NPPES 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

2722 Eddy Ln

Eau Claire, WI 54703-1204

Phone: (608) 495-0958

Street-level locationGet directions

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Mailing address