Eugene Charles Decker, DDS
- Industry payments
- $128
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792
- Practice phone
- Call (708) 422-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Geoffrey T. Decker DMD
Dental practice · Oak Lawn, Illinois
Find Eugene Decker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Eugene Charles Decker is a general practice dentistry in Oak Lawn, Illinois
Eugene Decker practices at Geoffrey T. Decker DMD in Oak Lawn, Illinois.
Eugene Decker's NPI, 1366572620, was assigned on March 6, 2007.
- NPI
- 1366572620NPI Registry (opens in a new tab)
- NPI enumeration date
- March 6, 2007
- NPI status
- Active
- Practice phone
- (708) 422-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Eugene Charles Decker practices at Geoffrey T. Decker DMD in Oak Lawn, Illinois
Eugene Decker's primary practice is Geoffrey T. Decker DMD, at 4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792. The practice phone is (708) 422-6500.
- Geoffrey T. Decker DMD4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792Phone(708) 422-6500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Eugene Charles Decker is affiliated with 1 site of care and 1 medical group
Eugene Decker's primary practice is Geoffrey T. Decker DMD in Oak Lawn, Illinois. Dmand AI also links Eugene Decker to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Eugene Charles Decker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Eugene Decker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geoffrey T. Decker DMD | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Eugene Charles Decker is one of 2,353 general practice dentistrys in Illinois
General practice is Eugene Decker's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Eugene Decker has a license on file in Illinois.
Specialties and state licenses
- General practice dentistry, Illinois
General practice dentistrys near Eugene Decker
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Eugene Charles Decker received $128 in industry payments in 2025
CMS Open Payments shows 1 general payment to Eugene Decker from 1 drug or device company in 2025. Gifts make up the largest share, 100% of the total. Ultradent Products Inc paid the most, $128.
Companies that paid Eugene Decker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Eugene Charles Decker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Eugene Charles Decker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Eugene Charles Decker's NPI number?
Eugene Charles Decker's NPI number is 1366572620. It was assigned on March 6, 2007, and it is active in the NPI Registry.
What does Eugene Charles Decker specialize in?
Eugene Charles Decker is a general practice dentistry in Oak Lawn, Illinois. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Eugene Charles Decker practice?
Eugene Decker practices at 4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792. Eugene Decker's primary practice is Geoffrey T. Decker DMD in Oak Lawn, Illinois. Dmand AI also links Eugene Decker to 1 medical group.
What is Eugene Charles Decker's office phone number?
The practice phone on file for Eugene Decker is (708) 422-6500.
Has Eugene Charles Decker received payments from drug or device companies?
CMS Open Payments shows $128 in general payments to Eugene Decker from 1 company from 2025 to 2025. The largest total came from Ultradent Products Inc.
How long has Eugene Charles Decker been practicing?
Eugene Decker's NPI was assigned in 2007.
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