What is Magalie Mittwer's NPI number?

Magalie Mittwer's National Provider Identifier (NPI) is 1639684830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Magalie Mittwer's specialty?

Magalie Mittwer is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Magalie Mittwer located?

Magalie Mittwer's practice location on file with NPPES is 25042 Narbonne Ave, Lomita, CA 90717-2102.

What is Magalie Mittwer's phone number?

The practice phone number listed in the NPPES registry for Magalie Mittwer is (188) 828-6871.

Is Magalie Mittwer's NPI active?

Yes — Magalie Mittwer's NPI (1639684830) is active in the NPPES registry as of the last update on 2026-03-03.

IndividualActive

Magalie Mittwer

NPI 1639684830 · Behavior Analyst · Lomita, CA

Magalie Mittwer is a Behavior Analyst provider in Lomita, CA (NPI 1639684830).

Provider details

NPI number: 1639684830
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(62/100 index)

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

Registry tenure38% of score
8 yrs 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

25042 Narbonne Ave

Lomita, CA 90717-2102

Phone: (188) 828-6871

Street-level locationGet directions

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Mailing address