Dr. Robert John Mattern, DDS

Dr. Robert John Mattern is a General Practice Dentistry provider (Dentist) practicing in Wabash, IN, registered in the NPPES registry with NPI 1740356476 since 2006. The credential DDS stands for Doctor of Dental Surgery. Practices at Robert Mattern DDS (listed at the same practice address in NPPES).

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NPI	1740356476
Entity type	Individual (Type 1)
Name	Dr. Robert John Mattern
Credential	DDS
Sex	Male
Practice address	999 MANCHESTER AVE, Wabash, IN, 46992
Phone	2605638329
Enumeration date	2006-11-27
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223G0001X	General Practice Dentistry	Primary	12008752A	IN

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

Copy-ready billing details

Provider: Robert Mattern, DDS
NPI: 1740356476
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 999 MANCHESTER AVE, Wabash, IN, 46992

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1700958360	Robert Mattern DDS	Organization	General Practice Dentistry	Wabash, IN

Verify this record

Cross-check NPI 1740356476 against the authoritative CMS record: view Dr. Robert John Mattern 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

What specialty is Robert Mattern?

Robert Mattern is registered in NPPES with the primary taxonomy of General Practice Dentistry. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.