Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gary Marencin, AU.D.

Audiologist in Newark, DE · enumerated 2016.

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

National Provider Identifier

1760930549

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Registry record

Entity type Individual (Type 1)

Name Gary Marencin

Credential AU.D.

Sex Male

Practice address 4735 Ogletown-Stanton Road, Medical Arts Pavilion 2, Suite 1205, Newark, DE, 19713

Phone (302) 623-4050

Fax (302) 623-4059

Enumeration date Sep 21, 2016

Last updated in NPPES Sep 21, 2016

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 02-0000045 (DE) 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

Where does Gary Marencin practice?

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

What is the NPI number for Gary Marencin?

The National Provider Identifier (NPI) for Gary Marencin is 1760930549, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-21.