John R. Thodos D.D.S., Ltd

John R. Thodos D.D.S., Ltd is a healthcare organization registered as Orthodontics and Dentofacial Orthopedics Dentistry in Algonquin, IL, holding Type 2 (organization) NPI 1023316098 since 2011. The authorized official on file is John Thodos, President.

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NPI	1023316098
Entity type	Organization (Type 2)
Legal business name	John R. Thodos D.D.S., Ltd
Practice address	1437 MERCHANT DR, Algonquin, IL, 60102
Phone	8474581437
Fax	8474581628
Enumeration date	2011-03-01
Last updated in NPPES	2011-03-01

Authorized official

Name	John Thodos
Title	President
Phone	8474581437

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Primary	021.001229	IL

Copy-ready billing details

Provider: John R. Thodos D.D.S., Ltd
NPI: 1023316098
Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry)
Address: 1437 MERCHANT DR, Algonquin, IL, 60102

Providers at this address

NPI	Name	Type	Specialty	Location
1033473764	Robert Schwartz	Individual	Orthodontics and Dentofacial Orthopedics Dentistry	Algonquin, IL
1356681118	John Thodos	Individual	Orthodontics and Dentofacial Orthopedics Dentistry	Algonquin, IL
1932616794	Robert F Schwartz DDS Ms PC	Organization	Orthodontics and Dentofacial Orthopedics Dentistry	Algonquin, IL

Verify this record

Cross-check NPI 1023316098 against the authoritative CMS record: view John R. Thodos D.D.S., Ltd 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 R. Thodos D.D.S., Ltd located?

The practice location on file with NPPES is in Algonquin, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-03-01. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-03-01.