Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tracey Aloisio, AUD
Audiologist in Norwalk, CT · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538653183
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Registry record
Entity type Individual (Type 1)
Name Tracey Aloisio
Credential AUD
Sex Female
Practice address 761 Main Ave Ste 101, Norwalk, CT, 06851
Phone (203) 845-2244
Enumeration date Jun 18, 2018
Last updated in NPPES Jun 29, 2021
Taxonomy & licenses
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
Where does Tracey Aloisio practice?
The practice location on file with NPPES is in Norwalk, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tracey Aloisio?
The National Provider Identifier (NPI) for Tracey Aloisio is 1538653183, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Sheldon Greenberg Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Norwalk, CT NPI 1124115662 Heather Waters Otolaryngology/Facial Plastic Surgery Physician · Norwalk, CT NPI 1326212523 Joanna Fabris Family Medicine Physician · Norwalk, CT NPI 1184148744 Amanda Shepard Audiologist · Norwalk, CT NPI 1417447996 Alexander Zorn Audiologist · Norwalk, CT NPI 1225697907 Kathryn Giunta Gerontology Nurse Practitioner · Norwalk, CT NPI 1134739287
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-29.