MERCY CLINIC KIDS GI, LLC
NPI 1033352885
Pediatrics - Pediatric Gastroenterology in Saint Louis, MO
About Mercy Clinic Kids Gi, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY CLINIC KIDS GI, LLC (NPI 1033352885), doing business as St. John's Mercy Kids Gi, Llc, is a healthcare organization registered as a pediatric gastroenterology in Saint Louis, Missouri and active in the NPI registry since April 2009. The organization maintains 2 additional practice locations and lists Kerry Dunger, Executive Director - Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
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)
Mercy Clinic Kids Gi, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Mercy Clinic Kids Gi, LLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 8 within 10 miles. They are listed nearest first.
Clinicians, nearest first (9)
Saint Louis, MO 63141
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently 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 Mercy Clinic Kids Gi, LLC's NPI number?
The NPI number for Mercy Clinic Kids Gi, LLC is 1033352885. It was assigned to this organization in the NPPES registry on April 9, 2009. The provider was formerly known as St. John's Mercy Kids GI, LLC.
Where is Mercy Clinic Kids Gi, LLC located?
Mercy Clinic Kids Gi, LLC is located at 621 S New Ballas Rd Suite 140-A, Saint Louis, MO 63141. The listed phone number is (314) 996-0006.
What is Mercy Clinic Kids Gi, LLC's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Mercy Clinic Kids Gi, LLC enrolled in Medicare?
Yes. Mercy Clinic Kids Gi, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mercy Clinic Kids Gi, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 3 Medicare specialties reassign their Medicare billing to Mercy Clinic Kids Gi, LLC. 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 Pediatric Medicine (5), Nurse Practitioner (3) and Registered Dietitian or Nutrition Professional (1). Of these, 6 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mercy Clinic Kids Gi, LLC 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 Mercy Clinic Kids Gi, LLC 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 Mercy Clinic Kids Gi, LLC was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Mercy Clinic Kids Gi, Llc · NPI 1033352885
Pediatric Gastroenterology organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since April 9, 2009.
## Identity
- **NPI:** 1033352885 (Entity type: Organization)
- **Enumerated:** April 9, 2009
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **Also known as:** St. John's Mercy Kids GI, LLC (Former Legal Business Name)
- **Organization subpart:** Yes (part of Mercy Clinic East Communities)
- **Authorized official:** Kerry Dunger, EXECUTIVE DIRECTOR - FINANCE
## Practice location
- **Address:** 621 S NEW BALLAS RD, SUITE 140-A, Saint Louis, MO 63141-8232
- **Phone:** (314) 996-0006 · **Fax:** (314) 996-0007
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Pediatric Medicine (5), Nurse Practitioner (3), Registered Dietitian or Nutrition Professional (1); 6 practice at this address and 8 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 25, 2025
- **Other identifiers:** Medicaid 509292504 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1033352885) · Data from the CMS NPPES public registry.