Dr. Gregory T. Garrison, MD
- Industry payments
- $1,087
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4941 Benchmark Centre Dr Suite 100 Suite 100, Swansea, IL 62226
- Practice phone
- Call (618) 624-9970
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St .clair Pedaitrics
Pediatric practice · Swansea, Illinois
Find Dr. Garrison'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.
Dr. Gregory T. Garrison is a pediatrician in Swansea, Illinois
Dr. Garrison practices at St .clair Pedaitrics in Swansea, Illinois.
Dr. Garrison's NPI, 1003920950, was assigned on August 18, 2006.
- NPI
- 1003920950NPI Registry (opens in a new tab)
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Practice phone
- (618) 624-9970
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory T. Garrison practices at St .clair Pedaitrics in Swansea, Illinois
Dr. Garrison's primary practice is St .clair Pedaitrics, at 4941 Benchmark Centre Dr Suite 100 Suite 100, Swansea, IL 62226. The practice phone is (618) 624-9970.
- St .clair Pedaitrics4941 Benchmark Centre Dr Suite 100 Suite 100, Swansea, IL 62226Phone(618) 624-9970
Source: Dmand AI Affiliation Data
Dr. Gregory T. Garrison is affiliated with 1 site of care and 1 medical group
Dr. Garrison's primary practice is St .clair Pedaitrics in Swansea, Illinois. Dmand AI also links Dr. Garrison to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory T. Garrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Garrison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St .clair Pedaitrics | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory T. Garrison is one of 2,423 pediatricians in Illinois
Pediatrics is Dr. Garrison's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Garrison has a license on file in Illinois.
Specialties and state licenses
- Pediatrics, Illinois
Pediatricians near Dr. Garrison
Counts of pediatricians 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
Dr. Gregory T. Garrison's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Garrison's median patient age at 10, with 48% women.
Dr. Garrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Gregory T. Garrison received $1,087 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Garrison from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Neos Therapeutics, LP paid the most, $205.
General payments to Dr. Garrison by program year, 2016 to 2025
Companies that paid Dr. Garrison the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory T. Garrison'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Dr. Gregory T. Garrison
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. Gregory T. Garrison's NPI number?
Dr. Gregory T. Garrison's NPI number is 1003920950. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory T. Garrison?
Dr. Gregory T. Garrison is a pediatrician in Swansea, Illinois. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gregory T. Garrison practice?
Dr. Garrison practices at 4941 Benchmark Centre Dr Suite 100 Suite 100, Swansea, IL 62226. Dr. Garrison's primary practice is St .clair Pedaitrics in Swansea, Illinois. Dmand AI also links Dr. Garrison to 1 medical group.
What is Dr. Gregory T. Garrison's office phone number?
The practice phone on file for Dr. Garrison is (618) 624-9970.
Has Dr. Gregory T. Garrison received payments from drug or device companies?
CMS Open Payments shows $1,087 in general payments to Dr. Garrison from 16 companies from 2016 to 2025. The largest total came from Neos Therapeutics, LP.
How long has Dr. Gregory T. Garrison been practicing?
Dr. Garrison's NPI was assigned in 2006.
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