Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

C. Michael Mullen IV

Pediatrics Physician in Oak Lawn, IL · enumerated 2014.

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

National Provider Identifier

1467871087

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Registry record

Entity type Individual (Type 1)

Name C. Michael Mullen IV

Sex Male

Practice address 4440 W 95th St Ste 2177h, Oak Lawn, IL, 60453

Phone (708) 684-5341

Fax (708) 684-4716

Enumeration date Apr 10, 2014

Last updated in NPPES Dec 10, 2022

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 125.064780 (IL) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036-142684 (IL) Primary

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

Where does C. Michael Mullen practice?

The practice location on file with NPPES is in Oak Lawn, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for C. Michael Mullen?

The National Provider Identifier (NPI) for C. Michael Mullen is 1467871087, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-10.