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DR JOHN D MCMAHON LTD
NPI 1659560464
Dentist - General Practice in Niles, IL

Active since October 17, 2007
8100 OAKTON ST, NILES, IL 60714(847) 823-5142(847) 692-4462 Get Directions Write a Review

NPPES record last updated: January 16, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr John D Mcmahon Ltd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR JOHN D MCMAHON LTD (NPI 1659560464) is a healthcare organization registered as a general practice in Niles, Illinois and active in the NPI registry since October 2007. The organization lists John D Mcmahon, President, as its authorized official.

NPPES Registry Identity

NPI1659560464
Entity TypeOrganization
Primary Taxonomy1223G0001X
Legal Business NameDR JOHN D MCMAHON LTD
Location Address8100 OAKTON STNiles, IL 60714
Mailing Address8100 Oakton StNiles, IL 60714 · (847) 823-5142 · Fax (847) 692-4462
Phone(847) 823-5142
Fax(847) 692-4462
Organization SubpartNo
Authorized OfficialJohn D McmahonPresident · (847) 823-5142
Enumeration DateOctober 17, 2007
Last NPPES UpdateJanuary 16, 2008
✔ NPI 1659560464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in IL · 01911351
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
8100 OAKTON ST, Niles, IL 60714
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dr John D Mcmahon Ltd's NPI number?

The NPI number for Dr John D Mcmahon Ltd is 1659560464. It was assigned to this organization in the NPPES registry on October 17, 2007.

Where is Dr John D Mcmahon Ltd located?

Dr John D Mcmahon Ltd is located at 8100 Oakton St, Niles, IL 60714. The listed phone number is (847) 823-5142.

What is Dr John D Mcmahon Ltd's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Dr John D Mcmahon Ltd was last updated on January 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.