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

Dr. John Robert J Keller, DMD

Individual provider Dentist · NPI 1528406089

Dr. John Robert J Keller, DMD is a Dentist in Alton, Illinois. Licensed in Illinois. Registered with an NPI since 2013.

Licensed in
IL
In the registry since
2013
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

4113 Humbert Rd
Alton, IL 62002-7116
Phone: (618) 465-7777
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 019029394 (IL)

Record details

NPI number1528406089
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedJune 6, 2013
Last updated in NPPESJune 6, 2013

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