Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Theresa Trimarco, AU.D.
Audiologist in Oak Park, IL · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679704639
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Registry record
Entity type Individual (Type 1)
Name Theresa Trimarco
Credential AU.D.
Sex Female
Practice address 610 S Maple Ave, 5300, Oak Park, IL, 60304
Phone (708) 660-2350
Fax (708) 660-2360
Enumeration date Aug 6, 2009
Last updated in NPPES Jun 10, 2011
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147001316 (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
Where does Theresa Trimarco practice?
The practice location on file with NPPES is in Oak Park, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Theresa Trimarco?
The National Provider Identifier (NPI) for Theresa Trimarco is 1679704639, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-10.