John C Dumars DDS Inc

John C Dumars DDS Inc is a healthcare organization registered as Orthodontics and Dentofacial Orthopedics Dentistry in Napa, CA, holding Type 2 (organization) NPI 1275712200 since 2007. The authorized official on file is John Dumars, President.

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NPI	1275712200
Entity type	Organization (Type 2)
Legal business name	John C Dumars DDS Inc
Practice address	3220 BEARD ROAD, Napa, CA, 94558
Phone	7072554400
Fax	7072570501
Enumeration date	2007-10-26
Last updated in NPPES	2007-10-26

Authorized official

Name	John Dumars
Title	President
Phone	7072554400

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Primary	17269	CA

Copy-ready billing details

Provider: John C Dumars DDS Inc
NPI: 1275712200
Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry)
Address: 3220 BEARD ROAD, Napa, CA, 94558

Verify this record

Cross-check NPI 1275712200 against the authoritative CMS record: view John C Dumars DDS Inc on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where is John C Dumars DDS Inc located?

The practice location on file with NPPES is in Napa, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2007-10-26. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2007-10-26.