Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Michael C. Sullivan & Associates

Professional Counselor in Lombard, IL · enumerated 2007 · authorized official Michael Sullivan, Counselor.

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

National Provider Identifier

1962546325

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Registry record

Entity type Organization (Type 2)

Legal business name Michael C. Sullivan & Associates

Practice address 2200 S Main St, Suite 309, Lombard, IL, 60148

Phone (630) 705-0067

Fax (630) 705-0473

Enumeration date Feb 19, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 180-00004412 (IL) Primary

Authorized official

Name Michael Sullivan

Title Counselor

Phone (630) 705-0067

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 Michael C. Sullivan & Associates?

Michael C. Sullivan & Associates is registered in NPPES as a Professional Counselor (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 2020-08-22.