Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Nephrology Associates of Northern Illinois

Q: What is the NPI number for Nephrology Associates of Northern Illinois?

The NPI for Nephrology Associates of Northern Illinois is 1447403852, a Type 2 (organization) record in the CMS NPPES registry.

Nephrology Physician in Crystal Lake, IL · enumerated 2008 · authorized official Brian O'Dea, Cfo/Coo.

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

National Provider Identifier

1447403852

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Registry record

Entity type Organization (Type 2)

Legal business name Nephrology Associates of Northern Illinois

Practice address 650 Dakota St, Suite C, Crystal Lake, IL, 60012

Phone (815) 301-1001

Fax (815) 301-1002

Enumeration date Oct 29, 2008

Last updated in NPPES Nov 2, 2021

Taxonomy & classification

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 036110997 (IL) Primary

Authorized official

Name Brian O'Dea

Title Cfo/Coo

Phone (708) 386-1000

Other identifiers

Identifier	Type	State	Issuer
1548210677	Other	IL	PROVIDER NPI NUMBER

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 the NPI number for Nephrology Associates of Northern Illinois?

The NPI for Nephrology Associates of Northern Illinois is 1447403852, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Nephrology Associates of Northern Illinois?

NPPES lists Brian O'Dea (Cfo/Coo) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-02.