Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Allied Psychological Services Ltd

Clinical Psychologist in Libertyville, IL · enumerated 2008 · authorized official Wayne Prepura, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1982876116

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Registry record

Entity type Organization (Type 2)

Legal business name Allied Psychological Services Ltd

Parent organization Allied Psychological Services Inc.

Practice address 501 Peterson Rd Ste 101, Libertyville, IL, 60048

Phone (847) 680-3828

Fax (847) 680-3844

Enumeration date Mar 27, 2008

Last updated in NPPES Oct 20, 2016

Taxonomy & classification

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 6393 (IL) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 6392 (IL) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 180001252 (IL) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License 071002565 (IL) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071002565 (IL) Primary

Authorized official

Name Wayne Prepura

Title President

Phone (847) 680-3828

Other identifiers

Identifier	Type	State	Issuer
4923581	Other	IL	BLUE CROSS BLUE SHIELD

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.

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Frequently asked questions

Where is Allied Psychological Services Ltd located?

The practice location on file with NPPES is in Libertyville, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2016-10-20. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-20.