SSM HEALTH CARDINAL GLENNON CHILDREN'S HOSPITAL
NPI 1174577670
Pediatrics in O Fallon, IL
About Ssm Health Cardinal Glennon Children's Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SSM HEALTH CARDINAL GLENNON CHILDREN'S HOSPITAL (NPI 1174577670) is a healthcare organization registered as a pediatrics in O Fallon, Illinois and active in the NPI registry since May 2006. The organization holds 2 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Karen Rewerts, Vp Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 7
Other Names 1
Secondary Practice Locations 3
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ssm Health Cardinal Glennon Children's Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
452Medicare enrollment records show 452 clinicians reassign Medicare billing to Ssm Health Cardinal Glennon Children's Hospital, which bills Medicare for the services they deliver. Of these, 9 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 33
Nearest to this location (20)
See all 452Glen Carbon, IL 62034
Saint Louis, MO 63104
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 26D2191210
Ssm Health Cardinal Glennon Pediatric Urgent Care · Saint Louis, MOCertificate of Waiver 26D2026531
Ssm Health Cardinal Glennon Pediatric Specialty Clinic · Saint Louis, MOFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ssm Cardinal Glennon Childrens Hospital's NPI number?
The NPI number for Ssm Cardinal Glennon Childrens Hospital is 1174577670. It was assigned to this organization in the NPPES registry on May 19, 2006. The provider is doing business as Ssm Health Cardinal Glennon Children's Hospital.
Where is Ssm Cardinal Glennon Childrens Hospital located?
Ssm Cardinal Glennon Childrens Hospital is located at 1 Saint Elizabeth Blvd, O Fallon, IL 62269. The listed phone number is (618) 234-2120.
What is Ssm Cardinal Glennon Childrens Hospital's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ssm Cardinal Glennon Childrens Hospital enrolled in Medicare?
Yes. Ssm Cardinal Glennon Childrens Hospital is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ssm Cardinal Glennon Childrens Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 452 clinicians in 33 Medicare specialties reassign their Medicare billing to Ssm Cardinal Glennon Childrens Hospital. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (116), Pediatric Medicine (113) and Diagnostic Radiology (35). Of these, 9 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Ssm Cardinal Glennon Childrens Hospital hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
What insurance does Ssm Cardinal Glennon Childrens Hospital accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Ssm Cardinal Glennon Childrens Hospital as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ssm Cardinal Glennon Childrens Hospital was last updated on September 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ssm Health Cardinal Glennon Children's Hospital · NPI 1174577670
Pediatrics organization in O Fallon, Illinois. Organization record, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1174577670 (Entity type: Organization)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **Legal business name:** Ssm Cardinal Glennon Childrens Hospital
- **Organization subpart:** Yes (part of Ssm Cardinal Glennon Childrens Hospital)
- **Authorized official:** Karen Rewerts, VP FINANCE
## Practice location
- **Address:** 1 SAINT ELIZABETH BLVD, O Fallon, IL 62269-1099
- **Phone:** (618) 234-2120
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 452 clinicians in 33 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (116), Pediatric Medicine (113), Diagnostic Radiology (35); 9 practice within 10 miles; [full list](https://npiprofile.com/npi/1174577670/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 30, 2020
- **Other identifiers:** Medicaid 540155801 (MO)
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1174577670) · Data from the CMS NPPES public registry.