Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cardiovascular Associates, S.C.

Cardiovascular Disease Physician in Elk Grove Village, IL · enumerated 2006 · authorized official Jack Chamberlin, President.

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

National Provider Identifier

1740231505

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Registry record

Entity type Organization (Type 2)

Legal business name Cardiovascular Associates, S.C.

Practice address 800 Biesterfield Rd Ste G01, Wimmer Building, Elk Grove Village, IL, 60007

Phone (847) 981-3680

Fax (847) 956-5122

Enumeration date May 15, 2006

Last updated in NPPES Feb 5, 2010

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 42007401 (IL) Primary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians · License 42007401 (IL) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 42007401 (IL) Secondary

Authorized official

Name Jack Chamberlin

Title President

Phone (847) 981-3680

Other identifiers

Identifier	Type	State	Issuer
1619483	Other	IL	BCBS
4478598	Other	IL	AETNA
1146003	Other	IL	UNITED HEALTHCARE
343940	Other	IL	LOCALITY 16
0503174	Other	IL	CIGNA

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 type of organization is Cardiovascular Associates, S.C.?

Cardiovascular Associates, S.C. is registered in NPPES as a Cardiovascular Disease Physician (its primary provider taxonomy).

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-05.