Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Tracy Hagan Winn, AU.D.
Audiologist in Evanston, IL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1982726899
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Registry record
Entity type Individual (Type 1)
Name Dr. Tracy Hagan Winn
Credential AU.D.
Sex Female
Practice address 2240 Campus Dr, Evanston, IL, 60208
Phone (847) 491-3165
Fax (847) 467-0410
Enumeration date Apr 4, 2007
Last updated in NPPES Oct 16, 2019
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147000871 (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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Tracy Winn?
Tracy Winn is registered in NPPES with the primary taxonomy of Audiologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Northwestern University Audiology Clinic Audiologist · Evanston, IL NPI 1396089975 Paula Mcguire Speech-Language Pathologist · Evanston, IL NPI 1568897130 Belma Hadziselimovic Speech-Language Pathologist · Evanston, IL NPI 1508277641 Northwestern University Speech-Language Pathologist · Evanston, IL NPI 1457762031
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-16.