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John G Hartmann DDS PC

General Practice Dentistry in River Forest, IL · enumerated 2008 · authorized official John Hartmann, Dentist.

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

National Provider Identifier

1992983555

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Registry record

Entity type Organization (Type 2)
Legal business name John G Hartmann DDS PC
Parent organization John G Hartmann DDS PC
Practice address 7700 W Madison St, River Forest, IL, 60305
Phone (708) 366-6760
Fax (708) 366-6762
Enumeration date Feb 6, 2008
Last updated in NPPES Feb 6, 2008

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers Primary
1223G0001X General Practice Dentistry Dental Providers Secondary

Authorized official

Name John Hartmann
Title Dentist
Phone (708) 366-6760

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.

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Frequently asked questions

Who is the authorized official for John G Hartmann DDS PC?
NPPES lists John Hartmann (Dentist) as the authorized official for this organization.
What is the NPI number for John G Hartmann DDS PC?
The NPI for John G Hartmann DDS PC is 1992983555, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-06.