Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Dana Meredith Bergenfeld, DDS

Dentist in Ridgefield, CT · enumerated 2021.

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

National Provider Identifier

1033888938

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Registry record

Entity type Individual (Type 1)

Name Dr. Dana Meredith Bergenfeld

Credential DDS

Sex Female

Practice address 158 Danbury Rd, Ridgefield, CT, 06877

Phone (203) 431-4300

Enumeration date Sep 13, 2021

Last updated in NPPES Feb 21, 2025

Taxonomy & licenses

122300000X Dentist Dental Providers · License 062437 (NY) Secondary

122300000X Dentist Dental Providers · License 13544 (CT) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Dana Bergenfeld?

Dana Bergenfeld 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.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-21.