Dr. Gretchen Sander, MD
- Industry payments
- $205
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 101 United Dr, Collinsville, IL 62234-7428
- Practice phone
- Call (618) 855-9041
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heartland Pediatrics
Pediatric practice · Collinsville, Illinois
Find Dr. Sander'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. Gretchen Sander is a pediatrician in Collinsville, Illinois
Dr. Sander practices at Heartland Pediatrics in Collinsville, Illinois.
Dr. Sander's NPI, 1427256486, was assigned on July 10, 2007. Dr. Sander holds Illinois license 36118745.
- NPI
- 1427256486NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2007
- NPI status
- Active
- Practice phone
- (618) 855-9041
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen Sander practices at Heartland Pediatrics in Collinsville, Illinois
Dr. Sander's primary practice is Heartland Pediatrics, at 101 United Dr, Collinsville, IL 62234-7428. The practice phone is (618) 855-9041.
- Heartland Pediatrics101 United Dr, Collinsville, IL 62234-7428Phone(618) 855-9041
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen Sander is affiliated with 1 site of care and 1 medical group
Dr. Sander's primary practice is Heartland Pediatrics in Collinsville, Illinois. Dmand AI also links Dr. Sander 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 Dr. Gretchen Sander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sander practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heartland Pediatrics | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gretchen Sander is one of 2,423 pediatricians in Illinois
Pediatrics is Dr. Sander's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Sander is licensed in Illinois.
Specialties and state licenses
- Pediatrics, IllinoisPrimary
Pediatricians near Dr. Sander
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. Gretchen Sander's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts Dr. Sander's median patient age at 17, with 50% women.
Dr. Sander's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Gretchen Sander received $205 in industry payments from 2016 to 2018
CMS Open Payments shows 13 general payments to Dr. Sander from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $124.
General payments to Dr. Sander by program year, 2016 to 2018
Companies that paid Dr. Sander the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gretchen Sander'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) |
| 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. Gretchen Sander
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. Gretchen Sander's NPI number?
Dr. Gretchen Sander's NPI number is 1427256486. It was assigned on July 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gretchen Sander?
Dr. Gretchen Sander is a pediatrician in Collinsville, Illinois. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gretchen Sander practice?
Dr. Sander practices at 101 United Dr, Collinsville, IL 62234-7428. Dr. Sander's primary practice is Heartland Pediatrics in Collinsville, Illinois. Dmand AI also links Dr. Sander to 1 medical group.
What is Dr. Gretchen Sander's office phone number?
The practice phone on file for Dr. Sander is (618) 855-9041.
What is Dr. Gretchen Sander's medical license number?
Dr. Sander holds Illinois license 36118745.
Has Dr. Gretchen Sander received payments from drug or device companies?
CMS Open Payments shows $205 in general payments to Dr. Sander from 4 companies from 2016 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Gretchen Sander been practicing?
Dr. Sander's NPI was assigned in 2007.
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