Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Madison Rae Sudaj, AU.D.

Audiologist in Rockford, IL · enumerated 2022.

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

National Provider Identifier

1437880804

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Registry record

Entity type Individual (Type 1)

Name Dr. Madison Rae Sudaj

Credential AU.D.

Sex Female

Practice address 8038 Macintosh Ln, Rockford, IL, 61107

Phone (815) 332-6800

Enumeration date Jun 17, 2022

Last updated in NPPES Jun 17, 2022

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147001883 (IL) Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

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 Madison Sudaj?

The National Provider Identifier (NPI) for Madison Sudaj is 1437880804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Madison Sudaj practice?

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

Other providers at this practice address

Browse all →

Constance Copeland Optometrist · Rockford, IL NPI 1508857202 Anneliese Hartman Audiologist · Rockford, IL NPI 1548233067 Center for Sight & Hearing Audiologist · Rockford, IL NPI 1053487942 Sarah Filer Audiologist · Rockford, IL NPI 1467770941 Center for Sight & Hearing Exclusive Provider Organization · Rockford, IL NPI 1790189462 Steven Taddei Audiologist · Rockford, IL NPI 1972021723 Jennifer Grewer Hearing Instrument Specialist · Rockford, IL NPI 1174186696 Matthew Clayton Social Worker · Rockford, IL NPI 1184400145

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-17.