Geoffrey Todd Decker, DMD
- Part D claims, 2024
- 24
- Industry payments
- $15
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- 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 Geoffrey 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.
Geoffrey Todd Decker is a general practice dentistry in Olympia Fields, Illinois
Geoffrey Decker practices at Geoffrey T. Decker DMD in Oak Lawn, Illinois.
Geoffrey Decker's NPI, 1497885750, was assigned on March 6, 2007.
- NPI
- 1497885750NPI 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)
Geoffrey Todd Decker practices in Oak Lawn and Olympia Fields
Geoffrey 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. The NPI Registry lists Geoffrey Decker's practice address as 19950 Governors Hwy, Olympia Fields, IL 60461.
- Geoffrey T. Decker DMDPrimary4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792Phone(708) 422-6500
- NPI Registry address19950 Governors Hwy, Olympia Fields, IL 60461 · Cook County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Geoffrey Todd Decker is affiliated with 1 site of care and 1 medical group
Geoffrey Decker's primary practice is Geoffrey T. Decker DMD in Oak Lawn, Illinois. Dmand AI also links Geoffrey 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 Geoffrey Todd Decker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Geoffrey 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
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Geoffrey Todd Decker is one of 2,353 general practice dentistrys in Illinois
General practice is Geoffrey Decker's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Geoffrey Decker has a license on file in Illinois.
Specialties and state licenses
- General practice dentistry, Illinois
General practice dentistrys near Geoffrey 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
Geoffrey Todd Decker's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Geoffrey Decker's median patient age at 22, with 40% women.
Geoffrey Decker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women40%
- Men40%
Source: Dmand AI Patient Panel Data
Geoffrey Todd Decker wrote 24 Medicare Part D claims in 2024
In 2024, Geoffrey Decker wrote 24 Medicare Part D claims for 17 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Geoffrey Decker's Part D claims, 2024
- Antibiotics88%21 of 24 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Geoffrey Todd Decker received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Geoffrey Decker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $15.
Companies that paid Geoffrey 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 Geoffrey Todd 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Geoffrey Todd 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 Geoffrey Todd Decker's NPI number?
Geoffrey Todd Decker's NPI number is 1497885750. It was assigned on March 6, 2007, and it is active in the NPI Registry.
What does Geoffrey Todd Decker specialize in?
Geoffrey Todd Decker is a general practice dentistry in Olympia Fields, Illinois. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Geoffrey Todd Decker practice?
Geoffrey Decker practices at 4647 W 103rd St Ste 1d Suite 1d, Oak Lawn, IL 60453-4792. Geoffrey Decker also practices at 19950 Governors Hwy, Olympia Fields, IL 60461. Geoffrey Decker's primary practice is Geoffrey T. Decker DMD in Oak Lawn, Illinois. Dmand AI also links Geoffrey Decker to 1 medical group.
What is Geoffrey Todd Decker's office phone number?
The practice phone on file for Geoffrey Decker is (708) 422-6500.
Has Geoffrey Todd Decker received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Geoffrey Decker from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Geoffrey Todd Decker been practicing?
Geoffrey Decker's NPI was assigned in 2007.
Selling to general practice practices?
See general practice dentistrys in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card