Providers
14
Locations
1
Specialties
4
Insurance Plans
7
About Gateway Gastroenterology Inc
Background and practice information
Gateway Gastroenterology INC is a mid-sized group medical practice based in Chesterfield, MO, with 14 affiliated healthcare providers.
The practice brings together providers across multiple specialties, including gastroenterology, certified registered nurse anesthetist, internal medicine, and nurse practitioner. Its providers are in-network with 7 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 75.0 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
Gateway Gastroenterology IncPrimary
121 SAINT LUKES CTR DR, Chesterfield, MO 630173519
(314) 529-4900
Affiliations
Hospitals where providers at Gateway Gastroenterology Inc hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Gateway Gastroenterology Inc accepts 52 plans from 7 insurers, including Cigna, UnitedHealthcare, Humana.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at Gateway Gastroenterology Inc
Provider specialties represented at this practice
Healthcare Providers
14 providers practice here
Susan Menner, CNA
Certified Registered Nurse Anesthetist (crna)
Chesterfield, MO
Lisa Sherrer, CNA
Certified Registered Nurse Anesthetist (crna)
Chesterfield, MO
Kelly Wallace, CNA
Certified Registered Nurse Anesthetist (crna)
Chesterfield, MO
Jason Haas, DO
Gastroenterology
Chesterfield, MO
Jeffrey Mathews, MD
Gastroenterology
Chesterfield, MO
Brian Mcmorrow, MD
Gastroenterology
Chesterfield, MO
Richard Riegel, MD
Gastroenterology
Chesterfield, MO
Fred Williams, MD
Gastroenterology
Chesterfield, MO
Siri Ancha, MD
Internal Medicine
Chesterfield, MO
Taylor Geisman, MD
Internal Medicine
Chesterfield, MO
Rajeev Ramgopal, MD
Internal Medicine
Chesterfield, MO
Cheri Carmody
Nurse Practitioner
Chesterfield, MO
Sarah Keim
Nurse Practitioner
Chesterfield, MO
Kaitlin Schild, NP
Nurse Practitioner
Chesterfield, MO
Frequently Asked Questions
Common questions about Gateway Gastroenterology Inc
How many providers are at Gateway Gastroenterology INC?
Gateway Gastroenterology INC has 14 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Gateway Gastroenterology INC offer?
The practice includes providers in gastroenterology, certified registered nurse anesthetist, internal medicine, and nurse practitioner. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Gateway Gastroenterology INC accept?
Providers at Gateway Gastroenterology INC are collectively in-network with 7 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Gateway Gastroenterology INC have a quality rating?
The practice's providers have an average MIPS quality score of 75.0 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is Gateway Gastroenterology INC located?
Gateway Gastroenterology INC's primary location is in Chesterfield, MO. See the contact section for the full address and phone number.
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