Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Advanced Endodontics, PC

Q: What type of organization is Advanced Endodontics, PC?

Advanced Endodontics, PC is registered in NPPES as a General Practice Dentistry (its primary provider taxonomy).

General Practice Dentistry in Gurnee, IL · enumerated 2018 · authorized official John Stuparitz, President Owner DDS.

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

National Provider Identifier

1588163364

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Registry record

Entity type Organization (Type 2)

Legal business name Advanced Endodontics, PC

Practice address 103 S. Greenleaf Street, Suite K, Gurnee, IL, 60031

Phone (847) 782-0048

Fax (847) 782-0102

Enumeration date Feb 7, 2018

Last updated in NPPES Feb 7, 2018

Taxonomy & classification

1223E0200X Endodontics Dental Providers · License 021.001771 (IL) Secondary

1223G0001X General Practice Dentistry Dental Providers · License 019.020999 (IL) Primary

Authorized official

Name John Stuparitz

Title President Owner DDS

Phone (847) 840-7580

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 → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Advanced Endodontics, PC?

Advanced Endodontics, PC is registered in NPPES as a General Practice Dentistry (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-07.