Gretchen Sander, M.D.
Pediatrics Physician · Collinsville, IL
Gretchen Sander, M.D. is a pediatrics physician with a practice address in Collinsville, Illinois, and NPI 1427256486, issued on Jul 10, 2007. Check the license (Illinois 36118745, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gretchen Sander
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 36118745 IL
Self-reported in NPPES; status is on the state search - Practice location
- 101 United Dr, Collinsville, IL 62234
- Phone
- (618) 855-9041
- Enumerated
- Jul 10, 2007
- Record last updated
- Feb 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (618) 855-9046
- Medicaid ID
- 036118745 IL
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,176 in Illinois → Look up another NPI →
Also registered at 101 United Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Ford, RN, FNP-CFamily Nurse Practitioner1952057903
- Shelby GarveyPhysical Therapy Assistant1457072019
- Li Ling Lai, MDPediatrics Physician1114901725
- Juliann Marth, DPTPhysical Therapist1831566769
- Kristin Stahl, M.DPediatric Adolescent Medicine Physician1942369145
Verify Gretchen Sander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 36118745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gretchen Sander among 3,176 pediatrics physician records in Illinois
Gretchen Sander, M.D. is one of 3,176 pediatrics physician records with a practice address in Illinois. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 51% newer
- In a Medicare fileNo · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 pediatrics physician records list a practice address in Collinsville
They are 4 of the 233 NPPES records with a practice address in Collinsville, and 3,176 pediatrics physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,176 in Illinois → Every provider in Collinsville → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Mohammad Reza AshrafCollinsville, IL 622341033208897
- Li Ling Lai, MDCollinsville, IL 622341114901725
- Sarah O'Grady, M.D.Collinsville, IL 622341740415587
- Prem Dua, MDChester, IL 622331952399396
- Joseph Cangas, M.D.Columbia, IL 622361295795318
- Lori Eberhart, M.D.Caseyville, IL 622321699884825
- Melissa Hill, CPNP-PCCaseyville, IL 622321851889331
- Mark McGranahan, M.D.Caseyville, IL 622321215922000
Common questions
What is Gretchen Sander, M.D.'s NPI number?
Gretchen Sander, M.D.'s National Provider Identifier (NPI) is 1427256486, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Sander, M.D. located?
The NPPES record lists a practice address at 101 United Dr, Collinsville, IL, 62234. Phone: (618) 855-9041. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Sander, M.D.'s license?
NPPES lists Illinois license number 36118745, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.