Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elizabeth Hellmuth Marcinkus, AU.D., CCC-A

Audiologist-Hearing Aid Fitter in Washington, DC · enumerated 2007.

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

National Provider Identifier

1780805754

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth Hellmuth Marcinkus

Credential AU.D., CCC-A

Sex Female

Practice address 800 Florida Ave Ne, Washington, DC, 20002

Phone (202) 651-5328

Enumeration date May 1, 2007

Last updated in NPPES Jun 17, 2014

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 002198-1 (NY) Secondary

237700000X Hearing Instrument Specialist Speech, Language and Hearing Service Providers · License 14000026309 (NY) Secondary

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 2201001307 (VA) Secondary

237700000X Hearing Instrument Specialist Speech, Language and Hearing Service Providers · License 2101001607 (VA) Secondary

237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers · License 01271 (MD) Secondary

237600000X Audiologist-Hearing Aid Fitter Speech, Language and Hearing Service Providers · License AUD000116 (DC) 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.

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Frequently asked questions

How do I verify Elizabeth Marcinkus's NPI record?

Cross-check NPI 1780805754 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1780805754 active?

Yes, as of the latest NPPES snapshot, NPI 1780805754 is active (record last updated 2014-06-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-17.