Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Rush Oak Brook Surgery Center, LLC

Ambulatory Surgical Clinic/Center in Oak Brook, IL · enumerated 2018 · authorized official Deborah Crook, Ceo.

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

National Provider Identifier

1619469244

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Registry record

Entity type Organization (Type 2)

Legal business name Rush Oak Brook Surgery Center, LLC

Practice address 2011 York Rd Ste 3000, Oak Brook, IL, 60523

Phone (304) 722-4456

Fax (630) 472-2446

Enumeration date May 30, 2018

Last updated in NPPES May 30, 2024

Taxonomy & classification

261QA1903X Ambulatory Surgical Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Deborah Crook

Title Ceo

Phone (630) 472-2445

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Rush Oak Brook Surgery Center, LLC?

Rush Oak Brook Surgery Center, LLC is registered in NPPES as a Ambulatory Surgical Clinic/Center (its primary provider taxonomy).

Providers at this address

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Umar Tirmizi Surgical Assistant · Oak Brook, IL NPI 1891412276

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-30.