GATEWAY GASTROENTEROLOGY INC
NPI 1043250400
Specialist in Chesterfield, MO

Active since June 07, 2006CLIA 26D0869688 · Certificate of Compliance
17298 N OUTER 40 RD STE 200, CHESTERFIELD, MO 63005(314) 529-4900(314) 434-2679 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 28, 2026, Apr 25, 2017 (2 updates tracked since 2017).

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

NPI1043250400
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameGATEWAY GASTROENTEROLOGY INC
Location Address17298 N OUTER 40 RD STE 200Chesterfield, MO 63005-1456
Mailing Address17298 North Outer 40 Rd Ste 200Chesterfield, MO 63005-1456 · (314) 529-4900 · Fax (314) 434-2679
Fax(314) 434-2679
Organization SubpartNo
Authorized OfficialJackie Lynn RaspberryOffice Manager · (314) 529-4925
Enumeration DateJune 7, 2006
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1043250400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MO · 36578
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
17298 N OUTER 40 RD STE 200, Chesterfield, MO 63005

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

26

Medicare 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

Certified Registered Nurse Anesthetist (CRNA)13
Gastroenterology5
Internal Medicine4
Nurse Practitioner3
Hospitalist1

Nearest to this location (20)

See all 26
Internal Medicine
NPI 1700370863
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Hospitalist
NPI 1053930586
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Nurse Practitioner
NPI 1467453134
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Internal Medicine
NPI 1932629227
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Gastroenterology
NPI 1790948008
17298 N OUTER 40 RD STE 406
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1033215363
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1285490847
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Gastroenterology
NPI 1285635656
17298 N OUTER 40 RD STE 406
Chesterfield, MO 63005
(314) 432-5900
✔ PECOSSame address
Gastroenterology
NPI 1851391890
17298 N OUTER 40 RD STE 406
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1124138201
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ Accepts MedicareSame address
Internal Medicine
NPI 1649833237
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Internal Medicine
NPI 1194080945
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Gastroenterology
NPI 1669472700
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Nurse Practitioner
NPI 1356889182
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Gastroenterology
NPI 1386644326
17298 N OUTER 40 RD STE 200
Chesterfield, MO 63005
(314) 529-4900
✔ PECOSSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1033229190
17050 BAXTER RD SUITE #110
Chesterfield, MO 63005
(636) 200-4242
✔ Accepts Medicare1.1 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1265566376
351 CONSORT DR
Ballwin, MO 63011
(636) 200-4242
✔ Accepts Medicare7.8 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1902808868
615 S NEW BALLAS RD SJMMC DEPT OF ANES
Saint Louis, MO 63141
(636) 386-9224
✔ Accepts Medicare8.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1255323937
615 S NEW BALLAS RD SJMMC DEPT OF ANES
Saint Louis, MO 63141
(636) 386-9224
✔ Accepts Medicare8.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1669464350
615 S NEW BALLAS RD SJMMC DEPT OF ANES
Saint Louis, MO 63141
(636) 386-9224
✔ Accepts Medicare8.4 mi
See all 26 clinicians

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

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, MO
Active · expires Nov 5, 2027
CLIA Number26D0869688
Laboratory TypePhysician Office
Certificate Effective DateNovember 6, 2025
Certificate Expiration DateNovember 5, 2027
Laboratory DirectorTiangshen Shen
Laboratory Phone(501) 225-1400
Laboratory LocationGateway Gastroenterology17298 N Outer 40 Road, Suite 200, Chesterfield, MO 63005
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 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.