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

John C Welu, DDS

Individual provider Dentist · NPI 1427202779

John C Welu, DDS is a Dentist in Libertyville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

800 S Milwaukee Ave
Libertyville, IL 60048
Phone: (847) 362-6660
Fax: (847) 362-6703
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 19A14437 (IL)

Record details

NPI number1427202779
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedNovember 13, 2008
Last updated in NPPESNovember 13, 2008
Mailing address800 S. Milwaukee Ave, Ste 105, Libertyville, IL 60048

Other providers in Libertyville