Dr. Thomas J Longos, DDS

Dr. Thomas J Longos is a Orthodontics and Dentofacial Orthopedics Dentistry provider (Dentist) practicing in Springfield, IL, registered in the NPPES registry with NPI 1831277201 since 2006. The credential DDS stands for Doctor of Dental Surgery. Practices at Bernardi & Groesch DDS Ltd (listed at the same practice address in NPPES).

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NPI	1831277201
Entity type	Individual (Type 1)
Name	Dr. Thomas J Longos
Credential	DDS
Sex	Male
Practice address	2534 FARRAGUT DRIVE, Springfield, IL, 62704
Phone	2175464674
Fax	2175464659
Enumeration date	2006-11-01
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Primary	—	IL

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

Copy-ready billing details

Provider: Thomas Longos, DDS
NPI: 1831277201
Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry)
Address: 2534 FARRAGUT DRIVE, Springfield, IL, 62704

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1285712653	Bernardi & Groesch DDS Ltd	Organization	Orthodontics and Dentofacial Orthopedics Dentistry	Springfield, IL
1366520736	Charles Groesch	Individual	Orthodontics and Dentofacial Orthopedics Dentistry	Springfield, IL

Verify this record

Cross-check NPI 1831277201 against the authoritative CMS record: view Dr. Thomas J Longos 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 does Thomas Longos practice?

The practice location on file with NPPES is in Springfield, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Thomas Longos?

The National Provider Identifier (NPI) for Thomas Longos is 1831277201, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2007-07-08.