Doctor profile · Federal record

Dr. Geoffrey Decker, DMD

General Practice Dentistry · Oak Lawn, IL

  • NPI 1497885750
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4647 W 103Rd St, Suite #1D
Oak Lawn, IL 604534779
(708) 422-6500
fax (708) 422-6952

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497885750. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$157
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Zimvie INC. 1 $143.36
Ultradent Products INC 1 $13.68

By nature of payment

Food and Beverage
$157

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
0
Total drug cost
$91
Drug Type Claims Patients Total cost
Amoxicillin Generic 14 0 $33
Clindamycin Hcl Generic 12 0 $58

Frequently asked questions

Auto-generated from federal data
What is Dr. Geoffrey Decker's medical specialty?
Dr. Geoffrey Decker practices General Practice Dentistry in Oak Lawn, IL.
Where does Dr. Geoffrey Decker practice?
Dr. Geoffrey Decker practices at 4647 W 103Rd St, Oak Lawn, IL 604534779. Office phone: 7084226500.
What is Dr. Geoffrey Decker's NPI?
Dr. Geoffrey Decker's National Provider Identifier (NPI) is 1497885750, issued by NPPES.