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Oak Forest Psychological Service, P.C.

Psychiatry Physician in Bourbonnais, IL · enumerated 2008 · authorized official Samira Sweis, Office Manager.

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

National Provider Identifier

1669643003

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Registry record

Entity type Organization (Type 2)
Legal business name Oak Forest Psychological Service, P.C.
Parent organization Oak Forest Psychological Service, P.C.
Practice address 133 Mohawk Dr, Bourbonnais, IL, 60914
Phone (815) 937-4790
Enumeration date Mar 13, 2008
Last updated in NPPES Mar 13, 2008

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Samira Sweis
Title Office Manager
Phone (708) 215-8400

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

Who is the authorized official for Oak Forest Psychological Service, P.C.?
NPPES lists Samira Sweis (Office Manager) as the authorized official for this organization.
What is the NPI number for Oak Forest Psychological Service, P.C.?
The NPI for Oak Forest Psychological Service, P.C. is 1669643003, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-13.