NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Marc Ian Avvento, D.C.

Chiropractor in Miller Place, NY · enumerated 2008.

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

National Provider Identifier

1922253426

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Registry record

Entity type Individual (Type 1)
Name Dr. Marc Ian Avvento
Credential D.C.
Sex Male
Practice address Miller Place, NY, 11764
Enumeration date Nov 25, 2008
Last updated in NPPES Nov 25, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License X011602-1 (NY) Primary
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC 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

What is the NPI number for Marc Avvento?
The National Provider Identifier (NPI) for Marc Avvento is 1922253426, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marc Avvento practice?
The practice location on file with NPPES is in Miller Place, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-11-25.