Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sion Agami Contreras, DDS

Dentist in New Boston, NH · enumerated 2026.

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

National Provider Identifier

1720914005

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Registry record

Entity type Individual (Type 1)

Name Sion Agami Contreras

Credential DDS

Sex Male

Practice address 52 High St, New Boston, NH, 03070

Phone (603) 487-2106

Enumeration date Jun 23, 2026

Last updated in NPPES Jun 23, 2026

Taxonomy & licenses

122300000X Dentist Dental Providers · License 5361 (NH) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Sion Agami Contreras?

Sion Agami Contreras is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-23.