What is Legna Marczewski's NPI number?

Legna Marczewski's National Provider Identifier (NPI) is 1801763222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Legna Marczewski's specialty?

Legna Marczewski is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Legna Marczewski located?

Legna Marczewski's practice location on file with NPPES is 1316 W Dragoon Trl, Mishawaka, IN 46544-4713.

What is Legna Marczewski's phone number?

The practice phone number listed in the NPPES registry for Legna Marczewski is (574) 855-4292.

Is Legna Marczewski's NPI active?

Yes — Legna Marczewski's NPI (1801763222) is active in the NPPES registry as of the last update on 2025-10-21.

IndividualActive

Legna Marczewski

NPI 1801763222 · Behavior Technician · Mishawaka, IN

Legna Marczewski is a Behavior Technician provider in Mishawaka, IN (NPI 1801763222).

Provider details

NPI number: 1801763222
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

1316 W Dragoon Trl

Mishawaka, IN 46544-4713

Phone: (574) 855-4292

Fax: (574) 635-3201

Street-level locationGet directions

Mailing address