Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ilona Szewczyk

Individual provider Behavior Analyst · NPI 1356933469

Ilona Szewczyk is a Behavior Analyst in Passaic, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2021

Practice location Address checks out

329 Aycrigg Ave
Passaic, NJ 07055-3713
Phone: (973) 471-3046
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-20-46665 (NJ)

Record details

NPI number1356933469
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 9, 2021
Last updated in NPPESFebruary 9, 2021
Certification dateFebruary 9, 2021
Mailing address329 Aycrigg Ave, Passaic, NJ 07055-3713

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