What is Marci Wolff's NPI number?

Marci Wolff's National Provider Identifier (NPI) is 1669364956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marci Wolff's specialty?

Marci Wolff is listed in the NPPES registry with a primary specialty of Lactation Consultant (Non-RN) (Other Service Providers).

Where is Marci Wolff located?

Marci Wolff's practice location on file with NPPES is 2500 1st Ave S, Great Falls, MT 59401-3924.

What is Marci Wolff's phone number?

The practice phone number listed in the NPPES registry for Marci Wolff is (406) 590-6399.

Is Marci Wolff's NPI active?

Yes — Marci Wolff's NPI (1669364956) is active in the NPPES registry as of the last update on 2025-08-02.

IndividualActive

Marci Wolff, CLC

NPI 1669364956 · Lactation Consultant (Non-RN) · Great Falls, MT

Marci Wolff, CLC is a Lactation Consultant (Non-RN) provider in Great Falls, MT (NPI 1669364956).

Provider details

NPI number: 1669364956
Entity type: Individual
Primary specialty: Lactation Consultant (Non-RN)Other Service Providers
Credential: CLC
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Lactation Consultant (Non-RN)Primary174N00000X
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

2500 1st Ave S

Great Falls, MT 59401-3924

Phone: (406) 590-6399

Street-level locationGet directions

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Mailing address