Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Cheryl Denise Hayden, AU.D.

Audiologist in Lake Forest, IL · enumerated 2007.

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

National Provider Identifier

1336362235

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Registry record

Entity type Individual (Type 1)

Name Dr. Cheryl Denise Hayden

Credential AU.D.

Sex Female

Practice address 660 N Westmoreland Rd, Building 800 Ll30, Lake Forest, IL, 60045

Phone (847) 535-6114

Enumeration date Apr 10, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147001011 (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

Is NPI 1336362235 active?

Yes, as of the latest NPPES snapshot, NPI 1336362235 is active (record last updated 2007-07-08).

How do I verify Cheryl Hayden's NPI record?

Cross-check NPI 1336362235 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.