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

Jeffrey Alan Colligan, DMD, MSD

Individual provider Periodontics · NPI 1831382233

Jeffrey Alan Colligan, DMD, MSD is a Periodontics in East Alton, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

160 S Bellwood Dr Ste C
East Alton, IL 62024-2086
Phone: (618) 258-1244
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X (IL)

Record details

NPI number1831382233
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD , MSD
Sole proprietorYes
NPI enumeratedAugust 20, 2007
Last updated in NPPESAugust 20, 2007
Mailing address160 S Bellwood Dr Ste C, East Alton, IL 62024-2086