Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr John D McMahon Ltd

Organization General Practice Dentistry · NPI 1659560464

Dr John D McMahon Ltd is a General Practice Dentistry in Niles, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8100 Oakton St
Niles, IL 60714
Phone: (847) 823-5142
Fax: (847) 692-4462
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 01911351 (IL)

Record details

NPI number1659560464
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John McMahon — President · (847) 823-5142
NPI enumeratedOctober 17, 2007
Last updated in NPPESJanuary 16, 2008
Mailing address8100 Oakton St, Niles, IL 60714

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