Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria Zdunek, LCSW
School Social Worker in Niles, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831859255
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Registry record
Entity type Individual (Type 1)
Name Maria Zdunek
Credential LCSW
Sex Female
Practice address 8955 N Greenwood Ave, Niles, IL, 60714
Phone (847) 493-8482
Enumeration date Dec 27, 2021
Last updated in NPPES Mar 2, 2026
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149.022876 (IL) Secondary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Maria Zdunek practice?
The practice location on file with NPPES is in Niles, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maria Zdunek?
The National Provider Identifier (NPI) for Maria Zdunek is 1831859255, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Chelsea Heitz Speech-Language Pathologist · Niles, IL NPI 1386112530 Courtney Orcholski School Psychologist · Niles, IL NPI 1447979711 Carly Henreid School Psychologist · Niles, IL NPI 1184343378 Ariana Ruiz School Psychologist · Niles, IL NPI 1093434078 Laura Mell School Social Worker · Niles, IL NPI 1225758386 Zoe Turner School Social Worker · Niles, IL NPI 1548033384 Kaarin Vandenbranden School Social Worker · Niles, IL NPI 1417722661
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-02.