GATEWAY GASTROENTEROLOGY INC
NPI 1043250400
Specialist in Chesterfield, MO
About Gateway Gastroenterology Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GATEWAY GASTROENTEROLOGY INC (NPI 1043250400) is a healthcare organization registered as a specialist in Chesterfield, Missouri and active in the NPI registry since June 2006. The organization holds a CLIA Certificate of Compliance certificate valid through November 5, 2027 and lists Jackie Lynn Raspberry, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Gateway Gastroenterology Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
26Medicare enrollment records show 26 clinicians reassign Medicare billing to Gateway Gastroenterology Inc, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 21 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 26Source: 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
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 Compliance 26D0869688
Gateway Gastroenterology · Chesterfield, 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 Gateway Gastroenterology Inc's NPI number?
The NPI number for Gateway Gastroenterology Inc is 1043250400. It was assigned to this organization in the NPPES registry on June 7, 2006.
Where is Gateway Gastroenterology Inc located?
Gateway Gastroenterology Inc is located at 17298 N Outer 40 Rd Ste 200, Chesterfield, MO 63005. The listed phone number is (314) 529-4900.
What is Gateway Gastroenterology Inc's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Gateway Gastroenterology Inc enrolled in Medicare?
Yes. Gateway Gastroenterology Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gateway Gastroenterology Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 26 clinicians in 5 Medicare specialties reassign their Medicare billing to Gateway Gastroenterology Inc. 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 Certified Registered Nurse Anesthetist (CRNA) (13), Gastroenterology (5) and Internal Medicine (4). Of these, 15 practice at this address and 21 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Gateway Gastroenterology Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 26D0869688) is associated with this NPI, valid through November 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Gateway Gastroenterology Inc 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 3 other insurers list Gateway Gastroenterology Inc 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 Gateway Gastroenterology Inc was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.