Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Steven C Mathus, M.D.

Obstetrics & Gynecology Physician in Belleville, IL · enumerated 2006.

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

National Provider Identifier

1699714204

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven C Mathus

Credential M.D.

Sex Male

Practice address 180 S 3rd St, Suite 200, Belleville, IL, 62220

Phone (618) 233-0017

Fax (618) 233-0251

Enumeration date Jun 6, 2006

Last updated in NPPES Mar 19, 2008

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 036061379 (IL) 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
036061379	Medicaid	IL	-
0707047	Other	IL	UHC MEDICARE COMPLETE
2113V3948	Other	IL	GROUP HEALTH PLAN
8215125	Other	IL	BLUE CROSS BLUE SHIELD
111843	Other	MO	ALLIANCE BC/BS

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 Steven Mathus?

The National Provider Identifier (NPI) for Steven Mathus is 1699714204, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven Mathus practice?

The practice location on file with NPPES is in Belleville, 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 2008-03-19.