Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher J Smith, MD

Pediatric Gastroenterology Physician in Oak Lawn, IL · enumerated 2006.

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

National Provider Identifier

1841214624

Verified

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Registry record

Entity type Individual (Type 1)

Name Christopher J Smith

Credential MD

Sex Male

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

Phone (708) 684-5650

Fax (708) 684-4446

Enumeration date Jul 26, 2006

Last updated in NPPES Jan 21, 2008

Taxonomy & licenses

2080P0206X Pediatric Gastroenterology Physician Allopathic & Osteopathic Physicians Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
01605334	Other	IL	BCBS PROVIDER ID
23602	Other	IL	ADVOCATE HLTH PARTNERS ID
36398565602	Other	IL	ADVOCATE HLTH CENTERS ID

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 Christopher Smith?

The National Provider Identifier (NPI) for Christopher Smith is 1841214624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Smith practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-21.