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

Mason Connolly, DC

Individual provider Chiropractor · NPI 1336154210

Mason Connolly, DC is a Chiropractor in O Fallon, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

138C Eagle Dr
O Fallon, IL 62269-1882
Phone: (618) 622-1793
Fax: (618) 622-1795
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

Chiropractor (primary) Taxonomy 111N00000X · Licence 038-009170 (IL)

Record details

NPI number1336154210
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJuly 29, 2006
Last updated in NPPESOctober 4, 2016
Mailing address138c Eagle Dr, O Fallon, IL 62269-1882

Other providers in O Fallon