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

By Your Side Arizona, LLC

Organization Developmental Disabilities Clinic/Center · NPI 1205409174

By Your Side Arizona, LLC is a Developmental Disabilities Clinic/Center in Darien, Illinois. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8201 Cass Ave
Darien, IL 60561-5314
Phone: (630) 590-5571
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Developmental Disabilities Clinic/Center (primary) Taxonomy 261QD1600X

Record details

NPI number1205409174
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kathy Kozicki — Billing Contracting Manager · (630) 590-5571
Other names By Your Side
NPI enumeratedJuly 20, 2021
Last updated in NPPESJuly 20, 2021
Certification dateJune 22, 2021
Mailing address8201 Cass Ave, Darien, IL 60561-5314

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