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John O Leitner DDS

General Practice Dentistry in Grand Haven, MI · enumerated 2023 · authorized official John Leitner, Owner.

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

National Provider Identifier

1427837996

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Registry record

Entity type Organization (Type 2)
Legal business name John O Leitner DDS
Practice address 575 Robbins Rd., Suite B, Grand Haven, MI, 49417
Enumeration date Sep 25, 2023
Last updated in NPPES Sep 25, 2023

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers Primary

Authorized official

Name John Leitner
Title Owner

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 John O Leitner DDS?
The NPI for John O Leitner DDS is 1427837996, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for John O Leitner DDS?
NPPES lists John Leitner (Owner) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-25.