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

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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

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

Directions in Google Maps · Apple Maps · OpenStreetMap

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
Mailing address4113 Humbert Rd, Alton, IL 62002-7116

Other providers in Alton