Individual
DR. GREGORY J DUFFNER
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
D.D.S.
Contact information
Practice address
18040 PARK AVE, HOMEWOOD, IL 60430-1606
(708) 792-2779
(708) 798-6988
Mailing address
18040 PARK AVE, HOMEWOOD, IL 60430-1606
(708) 792-2779
(708) 798-6988
Taxonomy
Speciality
Code
Description
License number
State
1223G0001X
General Practice Dentistry
Primary
019-019782
IL
Other
Enumeration date
07/06/2010
Last updated
10/23/2025
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us