Dr. Gene Denning, DO

  • Tinley Park, IL
  • Pediatrician
NPI1053319111
Industry payments
$948
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2005
Practice address
18200 S. Lagrange Rd, Tinley Park, IL 60487
Practice phone
Call (708) 570-2490
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)

Surgery Center - Not Medicare-Certified · Tinley Park, Illinois

See all 3 affiliations

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Dr. Gene Denning is a pediatrician in Tinley Park, Illinois

Dr. Denning practices at Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois.

Dr. Denning's NPI, 1053319111, was assigned on July 12, 2005. Dr. Denning holds Illinois license 036103290.

NPI and contact details
NPI enumeration date
July 12, 2005
NPI status
Active
Practice phone
(708) 570-2490
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Gene Denning practices at 2 locations in Tinley Park, Illinois

Dr. Denning's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd), at 18200 S. Lagrange Rd, Tinley Park, IL 60487. The practice phone is (708) 570-2490. Dr. Denning also practices at Tinley Woods Surgery Center, 18210 La Grange Rd, Tinley Park, IL 60487.

  • Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)Primary
    18200 S. Lagrange Rd, Tinley Park, IL 60487Phone(708) 570-2490
  • Tinley Woods Surgery Center
    18210 La Grange Rd, Tinley Park, IL 60487 · Cook CountyPhone(708) 570-2490

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Gene Denning is affiliated with 2 sites of care and 1 medical group

Dr. Denning's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. Dmand AI also links Dr. Denning to 1 group practice or clinic and 1 medical group, each named with a free account.

Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)Surgery Center - Not Medicare-Certified · Tinley Park, IllinoisPrimary
1 group practice or clinicName with a free account1 medical groupName with a free accountParent health systemName with a free account
See all 3 affiliations for Dr. Denning

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gene Denning's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Denning practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)Available with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gene Denning is one of 2,423 pediatricians in Illinois

Pediatrics is Dr. Denning's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Denning is licensed in Illinois.

Specialties and state licenses

  • Pediatrics, IllinoisPrimaryLicense 036103290 · taxonomy 208000000X

Pediatricians near Dr. Denning

Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.

2,423pediatricians in Illinois
6pediatricians in Tinley Park

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gene Denning's patients have a median age of 11

Across all payers, Dmand AI patient panel data puts Dr. Denning's median patient age at 11, with 47% women.

Dr. Denning's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 11

Patient panel by sex, all payers

  • Women47%
  • Men53%

Source: Dmand AI Patient Panel Data

Dr. Gene Denning received $948 in industry payments from 2016 to 2025

CMS Open Payments shows 38 general payments to Dr. Denning from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $262.

General payments to Dr. Denning by program year, 2016 to 2025

Companies that paid Dr. Denning the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Denning

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Gene Denning's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gene Denning

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gene Denning's NPI number?

Dr. Gene Denning's NPI number is 1053319111. It was assigned on July 12, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gene Denning?

Dr. Gene Denning is a pediatrician in Tinley Park, Illinois. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Gene Denning practice?

Dr. Denning practices at 18200 S. Lagrange Rd, Tinley Park, IL 60487. Dr. Denning also practices at 18210 La Grange Rd, Tinley Park, IL 60487. Dr. Denning's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. Dmand AI also links Dr. Denning to 1 group practice or clinic and 1 medical group.

What is Dr. Gene Denning's office phone number?

The practice phone on file for Dr. Denning is (708) 570-2490.

What is Dr. Gene Denning's medical license number?

Dr. Denning holds Illinois license 036103290.

Has Dr. Gene Denning received payments from drug or device companies?

CMS Open Payments shows $948 in general payments to Dr. Denning from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Gene Denning been practicing?

Dr. Denning's NPI was assigned in 2005.

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