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

Dr. John C Larkin, DMD

Individual provider General Practice Dentistry · NPI 1346221835

Dr. John C Larkin, DMD is a General Practice Dentistry in Clinton, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

323 W Washington St
Clinton, IL 61727-1640
Phone: (217) 935-5216
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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 (IL)

Record details

NPI number1346221835
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedNovember 10, 2005
Last updated in NPPESJuly 13, 2026
Mailing address323 W Washington St, Clinton, IL 61727-1640

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